Friday 10 January 2014

Illinois


I INTRODUCTION
Illinois, state in the north central United States, in the heart of the Midwest. Illinois was little more than a vast wilderness 200 years ago. Since entering the Union on December 3, 1818, as the 21st state, the economy of Illinois has expanded until today Illinois is one of the most productive agricultural and industrial states in the Union, and its economic influence now extends far beyond the Midwest.
Flanked by the Mississippi River on the west and by a short stretch of Lake Michigan on the northeast, the state is largely an area of flat or gently rolling plains that were once covered by tall luxuriant prairie grasses. The grasslands have long since been cleared for raising crops, but the state still retains its nickname, the Prairie State. Much of the land is tidily laid out in the checkerboard pattern so typical of the Midwest. Large prosperous farms specialize in raising grain and livestock on the rich prairie soils. Tall grain elevators, church spires, and an occasional grove of trees are the most conspicuous landmarks; and machine sheds, fields of corn and soybeans, and hogs in feedlots are the most common sights across the farmlands.
Rural Illinois does not lack physical and agricultural diversity. It has hill lands and a national forest in the south, cotton fields on the fertile alluvial lands in the extreme south, scenic bluffs along the Mississippi, and hillside dairy farms in the northwest.
In addition, rural Illinois is far from being isolated from urban Illinois. The state is covered by a dense network of railroads, highways, waterways, and air routes, most of which converge on the great metropolis of Chicago. The third largest city in the United States, Chicago dominates the industrial, financial, and social life of the state. In some ways, Chicago stands apart from the rest of the state. To many Chicagoans, Illinois consists of two sections: Chicago and “downstate.” Other Illinois cities, such as Peoria, Rockford, and Decatur, tend to be overshadowed by Chicago. Nevertheless, these smaller communities manage to retain their distinctive characteristics. Perhaps the most famous is the state capital, Springfield, which President Abraham Lincoln often referred to as his home. The national fame of Springfield, New Salem, and other places in Illinois that are associated with Lincoln are reflected in the official state slogan, Land of Lincoln.
The state is named for the Illinois, or Illini, a confederation of Native Americans of various tribes who inhabited Illinois and other sections of the Midwest at the time the first French explorers entered the region. The name Illinois is said to have been a French version of the Illini word for themselves, “Illiniwek.”
II PHYSICAL GEOGRAPHY
Illinois ranks 25th in size among the states of the Union, with an area of 149,997 sq km (57,914 sq mi). That includes 1,958 sq km (756 sq mi) of inland water and 4,079 sq km (1,575 sq mi) of Lake Michigan over which the state has jurisdiction. The greatest north-to-south dimension of the state is 610 km (379 mi), and the greatest east-to-west distance is 343 km (213 mi). The mean elevation is about 180 m (600 ft).
A Natural Regions
Illinois includes parts of four major natural regions, or physiographic provinces, of the United States: the Central Lowland, the Interior Low Plateaus, the Ozark Plateaus, and the Gulf Coastal Plain. The extensive flatlands of the Central Lowland occupy nearly all of Illinois, whereas the other three regions cover only small areas of the state. The Interior Low Plateaus and the Ozark Plateaus form a strip of hilly land across the southern part of the state. The flat alluvial lands of the Gulf Coastal Plain cover a small section of extreme southern Illinois.
The Central Lowland and the Interior Low Plateaus are subdivisions of a broader region known as the Interior Plains. The Ozark Plateaus form a section of the larger Interior Highlands region, and the Gulf Coastal Plain is part of the Coastal Plain.
The Central Lowland covers all but a small area of Illinois. Most of the Central Lowland is a level or slightly undulating plain, crossed here and there by broad, low ridges. The flatness of the land is a result of glacial action that occurred during the last Ice Age, which ended about 10,000 years ago, when great ice sheets advanced and retreated across the region. After the ice eventually retreated northeastward, the old preglacial landscape was left buried under a thick cover of glacial deposits, called drift, or glacial drift. Much of the drift is made up of clay and boulders, which together are called till, and form moraines. The so-called Till Plains form the typical flat farmlands of Illinois. The fertile Till Plains area of east central Illinois is known as the Grand Prairie. The low ridges found in some areas are terminal moraines that were piled up during the periods of glaciation by stagnant ice sheets.
In some areas, especially in the Grand Prairie and in south central Illinois, the land is so flat that the taller buildings of cities on the plain can be seen for great distances across country. Partly because of the flatness, rainwater does not readily drain away, and before ditches and drains were dug, much of the land was swampy for at least part of the year. There are still large tracts of such wetland along the Wabash, Kaskaskia, and Big Muddy rivers today. Farther west, between the Illinois and Mississippi rivers, lie the Quincy hills, which are broken by deeply cut stream valleys. The extreme northwest is also an area of hills. Together with neighboring sections of Wisconsin and Iowa it forms the Driftless section, or Wisconsin Driftless section. Only the earliest of the ice sheets covered this section, and nearly all of the drift deposited has long since been eroded. Charles Mound, which is 376 m (1,235 ft) above sea level and the highest point in Illinois, lies on a long hilly ridge in the Driftless section. However, this is only 180 to 210 m (600 to 700 ft) above the general level of the Grand Prairie and much of the rest of the state.
The Interior Low Plateaus portion of southern Illinois was not covered by the ice sheets, and its high ridges and bluffs afford magnificent panoramic views across the lowlands. Much of the region is now part of Shawnee National Forest.
The Ozark Plateaus cover a small section of southwestern Illinois. Much of the land is forested and is too rugged and rocky for farming. Limestone, which is soluble in water, underlies much of the region, and small depressions, known as sinkholes, are found where the limestone has been dissolved.
The Gulf Coastal Plain, at the southern tip of Illinois, is an extremely flat area where the land has been built of alluvial deposits from the Ohio and Mississippi rivers. Much of the region is cultivated and is very productive. Because of the fertile soils and the great river there, early settlers in this section of Illinois gave the region the nickname Little Egypt.
B Rivers and Lakes
Except for a few short streams flowing into Lake Michigan, nearly all the streams and rivers of Illinois drain westward or southward to the Mississippi River or to the Ohio River, which joins the Mississippi near Cairo in the extreme south. The Mississippi forms the western boundary of the state. Its tributaries in Illinois include the Illinois, Rock, Kaskaskia, and Big Muddy rivers. The Ohio River’s chief tributary in Illinois is the Wabash River. The Embarras and Little Wabash rivers are tributaries of the Wabash.
The largest river entirely within the state is the Illinois River, which is formed by the junction of the Kankakee and Des Plaines rivers. It flows for 680 km (420 mi) across the state before joining the Mississippi River at Grafton. The Illinois has been deepened and straightened and forms part of the Illinois Waterway.
The watershed between rivers that flow into the Mississippi river system and rivers that flow into the Great Lakes is low and in many places is not easily discernible. In what is now the Chicago area, explorers had little difficulty portaging, or carrying, their canoes over the low watershed between the Des Plaines River, which flows into the Illinois, and the Chicago River, which then flowed into Lake Michigan. In 1900 the Chicago River’s flow was reversed to make it carry and dilute the city’s sewage and industrial wastes into the Illinois River, instead of into Lake Michigan, the source of the city’s drinking water.
Except for Lake Michigan, which borders the state on the northeast, there are no large natural lakes in Illinois. Small natural lakes, all in the northern part of the state, include Clear, Crane, Fox, Goose, Grass, Peoria, Pistakee, and Ringwood lakes. The largest artificially created bodies of water within Illinois include Rend Lake, which is held back by a dam on the Big Muddy River, and Carlyle Lake, on the Kaskaskia River near Carlyle.
C Climate
The climate of Illinois is characterized by warm to hot summers and cool to cold winters. In winter polar air masses move south or southeast across the state from Canada, bringing cold and crisp weather. In summer warm air masses move up from the Gulf of Mexico, and the weather is often hot and muggy. Lake Michigan tempers the summer heat somewhat for Chicago and other cities along its shores and also delays the date of the first fall frosts nearby.
C1 Temperatures
Average July temperatures increase from about 24°C (about 75° F) in northeastern Illinois to more than 26° C (79° F) in the south, which is the hottest part of the state. During July, daytime highs average 29° C (84° F) at Chicago and about 32° C (about 90° F) at East Saint Louis, where a temperature of 47° C (117° F) has been recorded. Summer nights are usually warm throughout the state, ranging from about 19° C (about 66° F) in the north to about 21° C (about 69° F) in the south.
January averages range from less than -4° C (24° F) in the northwest to more than 1° C (34° F) in the south. Chicago has January low temperatures averaging -11° C (13° F) and highs -2° C (29° F). In the north freezing temperatures occur 140 to 145 days a year.
C2 Precipitation
Precipitation (rainfall and snowfall) generally increases from north to south. Average precipitation for the state as a whole is about 940 mm (about 37 in) a year. The south is the wettest part of the state, with about 1,220 mm (about 48 in) of precipitation a year in places. The driest sections are in the north, where a few places average about 810 mm (about 32 in). Most precipitation falls in the form of rain, especially thundershowers, in late spring and summer, when it is most needed for crops. Damaging hailstorms sometimes occur in summer, and violent windstorms occasionally sweep across the state during the early spring months. Tornadoes may occur in any time of the year. Snowfall is often heavy in the north but is usually light in the south.
C3 Growing Season
The growing season, or period between the last killing frost in the spring and the first killing frost in the fall, increases from less than 155 days in extreme northern Illinois to more than 205 days in the extreme south. Over much of the state the growing season is 190 days. The last killing spring frost occurs in early April in the far south and a month later in the north. The first fall frosts usually occur in early October in the north and in late October in the south.
D Soils
Black prairie soils cover the northern sections of the formerly glaciated sections of Illinois. The deep, fertile prairie soils, enriched over thousands of years by humus derived from grasses and other organic matter that once covered them, are today among the most productive soils in the world. However, many miles of underground drains and open ditches must be maintained in the flatter sections in order to drain the land. Farther south, lighter-colored and less fertile soils, called planosols, predominate. They are characterized by a hardpan, or impervious layer, just below the surface, which prevents proper drainage of the cropland. The yield per acre of crops grown on the planosols is generally lower than on the prairie soils. Gray-brown alfisols cover the hilly areas in the western sections of the state. In most cases they are highly acidic and unsuited for crops. The hilly and unglaciated southern tip of Illinois is covered with thin, gray alfisols, which are lacking in the organic matter and mineral elements necessary for producing good crops. Fertile mollisols are found along the valleys of the Ohio, Mississippi, and Illinois rivers. Fine silts, which are extremely productive when properly drained, occur along the margin of Lake Michigan.
E Plant Life
Little more than 200 years ago, when nearly all of Illinois was still unsettled, forests covered the southern third of the area and tall grasses and prairie flowers covered most of the northern and central sections. These great stretches of prairie included prairie cordgrass, big bluestem, little bluestem, and switch grass. In many damp areas the grasses grew profusely, sometimes higher than a person on horseback. In early summer wildflowers on the prairie formed a sea of color that stretched away into the distance farther than the eye could see. These great grassland areas were broken only by tongues of woodland along the rivers and scattered upland groves.
Today most of the original vegetation of Illinois has been cleared for farming or otherwise modified by human activity. However, the term prairie, originally a French word meaning “meadow,” has been retained to describe the former grassland regions of Illinois and other Midwestern states. Forests and woodlands now cover only 12 percent of Illinois. The chief deciduous trees found in the southern part of the state include white oak, which is the state tree, shingle oak, post oak, sweet gum, river birch, and maple. Other trees common to Illinois include black walnut, honey locust, black cherry, basswood, cottonwood, Kentucky coffee, hackberry, hickory, ash, and sycamore. Illinois has few conifers, but there is a notable stand of white pine in White Pines Forest State Park, near Rockford. Other coniferous species, found mostly in northern Illinois, include red cedar and juniper.
The violet, which is the state flower of Illinois, grows wild throughout the state. Other wildflowers that still grow in profusion in undisturbed woodlands and roadside areas include Dutchman’s-breeches, blue phlox, black-eyed Susans, goldenrods, dogtooth violets, bluebells, trilliums, buttercups, bloodroots, prairie docks, toothworts, blazing stars, and asters.
F Animal Life
Bison, elk, black bear, and gray wolves once inhabited Illinois but had largely disappeared by the beginning of the 19th century. Furbearing animals such as muskrat, mink, and weasel have declined in number but are still common. A variety of small animals, including squirrel, woodchuck (groundhog), raccoon, opossum, and skunk, are still thriving. White-tailed deer, once extinct in Illinois, have through human intervention and migration from adjacent states returned in considerable number. Although never extinct, the beaver and coyote also declined in number but have since rebounded to become fairly common.
Illinois lies in the Mississippi Flyway, a route followed by millions of birds during spring and fall migrations. Species of waterfowl commonly seen in the state during the migrations include the Canada goose, common merganser, pintail, lesser scaup, shoveler, blue-wing teal, green-wing teal, ruddy duck, and mallard. Some migrant waterfowl, such as the mallard, breed and nest in Illinois if conditions permit. Upland game birds include the ring-necked pheasant, woodcock, northern bobwhite, and wild turkey. Among other birds found in the state are the meadowlark, robin, flicker, herring gull, American crow, blue jay, white-breasted nuthatch, starling, ruby-throated hummingbird, and cardinal (the state bird). There are also several species of warblers, sparrows, hawks, owls, thrushes, woodpeckers, wrens, flycatchers, and swallows. American bald eagles winter on the bluffs along the Mississippi River near Nauvoo.
Among the most abundant fish in Illinois waters are carp and catfish. Other fish include largemouth and smallmouth (black) bass, freshwater drum, bowfin, gizzard shad, suckers, gars, and sunfish. Pollution and siltation of the state’s streams and lakes in the 20th century have negatively affected the fish.
G Conservation
The principal agencies responsible for protecting Illinois’ forests, soils, water, and fisheries are the Natural Resources Conservation Service, the United States Forest Service, and the Illinois Department of Natural Resources. Soil erosion, poor drainage, and floods are major, and sometimes inter-related, problems in southern Illinois. Reforestation and other conservation techniques are practiced in both western and southern Illinois, where land too steep for farming was cleared in early times and is now seriously eroded. Much of the topsoil there has been lost through erosion, and only the underlying and impervious clay pan remains. In wet weather, rain cannot sink into the ground because of the clay pan and it runs off the surface in sheets, thus contributing to further erosion and to floods along the state’s major rivers. Many dams and flood-control projects have been built in the state. Fish and game resources, greatly depleted because of water pollution and destruction of the natural habitat, are being increased by the Illinois Department of Natural Resources.
Two state agencies have responsibilities for air, land, and water quality. The Pollution Control Board institutes policies and regulations, hears pollution cases, and sets penalties. The Illinois Environmental Protection Agency administers the emissions permit system, prosecutes pollution cases before the Pollution Control Board, and investigates environmental problems such as unlawful dumping.
In 2006 the state had 41 hazardous waste sites on a national priority list for cleanup due to their severity or proximity to people. Progress was being made in efforts to reduce pollution; in the period 1995–2000 the amount of toxic chemicals discharged into the environment was reduced by 14 percent.
III ECONOMIC ACTIVITIES
During the 18th century the Illinois country was primarily a pioneer land where fur trapping was carried on, where some lead was mined in the Galena area, and where farming was generally limited to the fertile bottomlands along the Mississippi and Wabash rivers. With the influx of settlers in the first half of the 19th century, much of the rest of Illinois, including the prairie lands of central Illinois, came under cultivation. Economic activities in the state were centered on farming and on the manufacture of tools and farm and household equipment for the pioneer farmers. Railroad construction in the 1850s and demands for food and materials during the American Civil War (1861-1865) spurred the development of the young state’s economy. During the second half of the 19th century, agriculture became highly mechanized, and industry expanded rapidly, especially in the Chicago area. By the beginning of the 20th century, Illinois had emerged as a leading agricultural and industrial state. In the following decades, commerce, finance, insurance, and other areas of economic activity became increasingly important in Illinois.
Services, manufacturing, and finance are the leading economic activities in Illinois, each contributing 15 times as much to the total income generated in the state as does agriculture. Nevertheless, agriculture is still a major economic activity, and Illinois usually ranks as one of the five most productive farming states in the nation. Illinois had a work force of 6,613,000 people in 2006. Of those the largest share, 36 percent, were employed in the diverse service industry, doing such jobs as data processing or working in restaurants. Another 19 percent worked in wholesale or retail trade; 11 percent in manufacturing; 14 percent in federal, state, or local government, including those in the military; 21 percent in finance, insurance, or real estate; 20 percent in transportation or public utilities; 5 percent in construction; 2 percent in farming (including agricultural services), forestry, or fishing; and just 0.2 percent in mining. In 2005, 17 percent of Illinois’ workers were unionized.
A Agriculture
In 2005 there were 72,500 farms in Illinois, 64 percent of which had annual sales of more than $10,000. Farmland occupied 11 million hectares (27.3 million acres), of which 89 percent was cropland. The rest was mostly pastureland. The sale of crops accounts for 80 percent of the total income from the sale of farm products. Livestock and livestock products account for the remainder.
A1 Crops
The two leading crops raised in the state, in terms of quantity and value, are corn and soybeans. In 1997 Illinois ranked as the second leading state in the production of both corn and soybeans, behind only Iowa. Corn is grown throughout the state and occupies two-fifths of all cropland. Land planted in soybeans accounts for another two-fifths, but soybeans generated 20 percent less income for farmers than corn in 1997. Wheat, greenhouse and nursery products, and a variety of vegetables are also raised.
A2 Livestock
Illinois ranks fourth in raising hogs, behind Iowa, North Carolina, and Minnesota. A large number of beef and dairy cattle are also raised in Illinois. Most of the hogs are born and raised in the state, but many of the cattle are shipped to Illinois for fattening from ranches in Western states. Illinois also produces significant quantities of milk and cream and of eggs, mostly for the state’s large urban markets.
A3 Patterns of Farming
The most prosperous farms are located in northern and central Illinois. The northern two-thirds of the state lies in the Corn Belt. Typical Corn Belt farming, with its emphasis on fattening cattle and hogs on corn and other crops, is most highly developed in the rolling lands of west central Illinois. Farmers of the flatter lands of the Grand Prairie, in east central Illinois, concentrate more on the large-scale production for sales of field crops, especially corn and soybeans. Farms on the prairie are usually larger than the average for the state. In northwestern Illinois, where the hilly land is more suited to cattle grazing than to crop growing, dairying is a major source of income, with an emphasis on the production of butter, cheese, and condensed milk.
Farm yields are generally lower in the southern part of the state, especially in the hill country of the Ozark and Interior Low plateaus, where poor soils and severe soil erosion hamper agricultural productivity. In contrast with the specialized farming in northern Illinois, general farming is widespread in the southern part of the state. Corn, soybeans, and wheat are the leading crops. In general, soybeans and corn are the major cash crops. Farm incomes throughout southern Illinois are generally lower than those in other areas. Some farmers supplement their meager income from cash crops by producing milk, eggs, and poultry for nearby urban areas. Others work part-time in the coal-mining industry or engage in other off-the-farm activities. Fruit crops, especially peaches, apples, and strawberries, are raised in the southern hill lands.
B Mining
Bituminous coal, crushed stone, and oil are the most valuable mineral products in Illinois. Together they accounted for three-fourths of the state’s mineral output by value in 1997.
In 1997 Illinois produced 4 percent of the nation’s coal. The coal occurs in a huge, basin-like structure that underlies about two-thirds of the state, mainly in southern and central Illinois. The principal coal producing counties are Perry, Franklin, and Saline. Illinois has more extensive bituminous coal reserves than any other state in the nation. Despite the large reserves, however, coal production remains below the levels of output reached during the first half of the 20th century, partly because the coal is high in sulfur content, which contributes to air pollution when burned. In the middle of the basin, mining is carried on by the traditional method of deepshaft mining. Approximately two-thirds of the coal now produced annually in the state is from these mines. The remainder comes from strip mining, which is carried on around the edge of the basin, where the coal beds lie close to the surface. Strip mining has declined because of environmental protection regulations, enacted in the 1970s, requiring that strip-mined land be restored to its original condition.
Oil, first discovered in Clark County in 1865, is now produced from a number of small oil fields scattered over the southeastern part of the state. In 1997 Illinois’ production of crude oil ranked third among the states east of the Mississippi River, behind Mississippi and Alabama. Production, however, is decreasing, and Illinois contributed just one percent of the nation’s total crude oil in 1997. A small amount of natural gas is also produced in Illinois.
Among the other minerals produced in Illinois are stone, sand and gravel, cement, clays, peat, tripoli, and zinc. Until the mid-1990s much of the nation’s fluorspar, which is widely used in small quantities in the ceramic, chemical, and steel industries, came from Hardin and Pope counties in southeastern Illinois. Fluorspar mining has since ceased in the state. Lead, important in the Galena area in the first half of the 19th century, is no longer significant, mainly because the best deposits have been exhausted.
C Manufacturing
Illinois ranked fourth in the nation (after California, Texas, and Ohio) as an industrial state in 1996, measured by industry’s contribution to the national income. In 1996 the production of industrial machinery, including construction and metalworking equipment, was the primary manufacture in Illinois, accounting for one-sixth of income from industry. Representative of the diversity in the state’s industrial activity, many manufacturing sectors contribute significantly to the income from industry. Leading industrial sectors in terms of value of production and employment are food products, especially grain, bakery items, and candy; chemicals, including pharmaceuticals and cleansers; fabricated metals, including products from stamping mills and a variety of metal fasteners such as screws and bolts; electronics, especially communication devices; printed materials, chiefly advertising for businesses and the publication of newspapers, periodicals, and books; and transportation equipment, particularly automobiles and automobile parts, aircraft parts, and motorcycles. Other important activities include the manufacture of rubber and plastic products, the refining of petroleum, and the production of paper and associated products.
Most manufacturing in Illinois is carried on in the Chicago area. In the city of Chicago and its surrounding suburban and satellite communities are produced huge quantities of electrical equipment, food products, machinery, and fabricated metals. Among the many other goods produced there are printed materials, chemicals, steel and other primary metals, transportation equipment, and instruments. Many manufacturing plants are located in the city proper or in such surrounding communities as Cicero, Aurora, Blue Island, Calumet City, Chicago Heights, Harvey, Joliet, and Melrose Park. The Chicago area forms a continuous industrial and urban district with the adjoining Calumet region of Indiana. East Saint Louis, across the Mississippi River from St. Louis, Missouri, is another large industrial center in Illinois. Iron and steel, paints, and chemicals are the major products of the city. Nearby Alton produces explosives and other munitions, and Granite City is a center of iron and steel production.
Most other cities outside the Chicago and East Saint Louis areas manufacture one or more industrial products. Peoria manufactures construction machinery, wire and nails, metal buildings, and sprinklers. Rockford produces machinery, transportation equipment, and metal products. Agricultural machinery is manufactured at Moline and at Rock Island. Decatur, known as the nation’s soybean capital, specializes in soybean processing, grain milling, and other food-processing industries.
D Electricity
The industrial and urban areas of Illinois require enormous amounts of electricity, and there is also a great demand for electricity on the state’s highly mechanized farms. Of the electricity generated in Illinois in 2005, 51 percent was produced in steam-driven power plants fueled almost entirely by coal. Another 48 percent of the electricity was produced in nuclear power plants. Most of the coal used as fuel is produced within the state. However, additional supplies of low sulfur coal have to be brought in from other states. In 1998 there were six nuclear power plants in Illinois, of which one was located at Clinton and another at Dresden, and two each were located at Braidwood and Byron. Illinois produces more electricity from nuclear energy than does any other state except Pennsylvania.
E Transportation
Chicago is the focal point of the complex system of railroads, highways, waterways, airlines, and gas and oil pipelines that serve Illinois and adjoining states. East Saint Louis, located at a strategic bridging point of the Mississippi, serves as a secondary focus of transportation facilities, particularly railroads. Much of the state’s bulky freight, such as coal, oil, grain, iron ore, limestone, industrial chemicals, and gasoline and other oil products, is transported by lake vessels and barges. The railroads carry bulk freight, especially where rapid delivery is required, and they are also important in the shipment of finished and semifinished products. Trucking companies serve all of Illinois. Chicago is the chief center of trucking activities in the United States.
E1 Waterways
Illinois is served by two of the nation’s busiest waterways, the Great Lakes-St. Lawrence Seaway system and the Great Lakes-to-Gulf Waterway. The extensive Great Lakes-St. Lawrence Seaway system, the major inland waterway in North America, permits lake freighters and oceangoing vessels to reach Chicago, a leading American port. The Great Lakes-to-Gulf Waterway provides Illinois with direct water transportation to the Gulf of Mexico by way of the Mississippi. The Illinois Waterway, which lies wholly within Illinois, forms part of the Great Lakes-to-Gulf Waterway.
E2 Railroads
Eleven of the country’s largest railroads and many regional carriers serve Illinois. Many of the lines converge on Chicago and East Saint Louis. Railroad mileage in the state totals 11,809 km (7,338 mi) and exceeds that of any other state except Texas, while far more railroad cars are handled in Illinois than any other state.
E3 Highways
With 223,430 km (138,833 mi) of public highways and roads, Illinois outranks all other states except Texas and California. An extensive system of federal and state highways links all major cities. There were 3,491 km (2,169 mi) of national interstate highways in Illinois in 2005.
E4 Airports
Illinois has 16 airports and airfields, of which most are private facilities. The largest commercial airport by far is Chicago’s O’Hare International Airport, on the outskirts of the city. One of the busiest airports in the world, O’Hare is a major transfer point for domestic flights and a port of entry for foreign travelers. It ranks as the nation’s busiest in terms of both landings and passengers handled.
F Trade
Domestic and foreign trade are both very important to the state’s economy. Chicago is by far the leading trade center in the state and also is a leading center of trade for the United States. In addition, there are many smaller trade centers scattered throughout the state, which serve as distribution points for agricultural, consumer, and other products.
Most of the state’s foreign trade is handled by facilities in Chicago. Canada and the countries of Latin America are the chief overseas markets. However, trade with European countries increased after the opening of the St. Lawrence Seaway in 1959.
IV THE PEOPLE OF ILLINOIS
A Population Patterns
According to the 2000 national census, Illinois ranked fifth among the states, with a total population of 12,419,293. This represented an increase of 8.6 percent over the 1990 census figure of 11,430,602. In 2000 some 88 percent of the total population lived in urban areas. Chicago alone accounts for one-fourth of the state’s total population, and the Chicago metropolitan area accounts for two-thirds. The average population density for the entire state was 89 persons per sq km (231 per sq mi).
Whites constituted 73.5 percent of the population in 2000. Blacks were 15.1 of the people in the state. In the late 19th century blacks accounted for only 2 percent of the state’s people. In the 1940s, blacks in large numbers began moving to Illinois, many from Southern states. In 1940 they numbered nearly 400,000, and by 2000 the number had more than quadrupled.
Asians comprised 3.4 percent of the population in 2000. Their numbers rose substantially during the 1980s and 1990s. Native Americans are 0.2 percent of the people and those of mixed heritage or not reporting race were 7.7 percent. Hawaiians and other Pacific Islanders numbered 4,610. Hispanics, who may be of any race, were 12.3 percent of the population.
B Principal Cities
Chicago is the principal city of inland North America. The city is one of the leading commercial centers in the United States, and it is also one of the principal centers for industry and transportation. In 2006 there were 2,833,321 people living in the city proper and a total of 9.2 million people living in the metropolitan region centered on the city, including adjacent communities in Wisconsin and Indiana.
Rockford, in northern Illinois, is the second largest city, with a population of 155,138. The Rockford metropolitan area had a total population of 348,252 in 2006. The city of Rockford is primarily an industrial center that is noted for the manufacture of machine tools. Unlike many of the larger of the state’s cities, Aurora, a residential and industrial satellite of Chicago, gained population during the 1980s and 1990s. In 2006 it had 170,617 inhabitants.
Springfield, also in central Illinois, is noted for its associations with Abraham Lincoln. It had a population in 2006 of 116,482. Peoria, with a population of 113,107, is a manufacturing center on the Illinois River in the central part of the state. Naperville, a Chicago suburb, experienced a boom during the 1980s and 1990s and reached 142,901 inhabitants in 2006. Joliet, with 142,702 residents, and Elgin, with 101,903, are both satellite cities of Chicago.
Decatur (2006 population 77,047) lies in an agricultural area of central Illinois. It is a trade center and industrial city. Evanston (75,543) is a residential suburb of Chicago and the seat of Northwestern University. East Saint Louis (29,448), on the east bank of the Mississippi River opposite St. Louis, Missouri, once was the principal city of southwestern Illinois, but its population dwindled during the 1980s. Belleville (41,095) is now the largest city in what geographers call the Metro East area of Illinois.
C Religion
Roman Catholic priests from France were the first Europeans to enter the Illinois country, and most of the early settlers were of the same faith. Protestant congregations were first organized after the American Revolution. The first Methodist church in Illinois was founded in 1793 and the first Baptist church in 1796. Other early Protestant groups were the Presbyterians and Congregationalists. A number of religious communities were also established in the state by the Quakers, Mennonites, and others. One religious group active briefly in Illinois in the 19th century was the Church of Jesus Christ of Latter-day Saints, whose members are popularly known as Mormons. They lived in Nauvoo from 1839 until 1846. Zion, a city in northeastern Illinois, was founded in 1901 by John Alexander Dowie of the Christian Catholic Church, and it retained a theocratic form of government until 1935.
The Roman Catholic Church now accounts for about one-third of all church members in Illinois. Of the various Protestant denominations in the state, the most numerous are the Baptists, Methodists, and Lutherans. There are also large Jewish congregations in Illinois, particularly in Chicago. Saint Sava’s Serbian Monastery, in Libertyville, is the North American headquarters of the Serbian Eastern Orthodox Church. The Baha’i Faith, a religion founded in Persia in the 19th century, maintains its American national center in Wilmette, a suburban community that lies just north of Chicago.
V EDUCATION AND CULTURAL INSTITUTIONS
A Education
In 1825 the Illinois legislature levied a tax for public education. Few schools were established, however, before the tax law was repealed. A second school tax law, enacted in 1855, provided the financial basis for the present system of statewide free public schools. In the second half of the 20th century the school districts of Illinois were reorganized by consolidation to reduce costs and improve the standard of education.
School attendance in Illinois was made compulsory in 1883 and is now required for all children between the ages of 7 and 17. Some 15 percent of the students in Illinois attend private schools. An appointed state board of education is responsible for setting policies and guidelines for elementary and secondary education, as well as assisting and regulating the state's school districts. Elected superintendents in regional offices of education provide intermediate services to school districts, which are governed by elected school boards. The Chicago Public Schools, one of the nation’s largest school districts in terms of students served, is an exception in that it operates with board members appointed by the mayor of Chicago.
In the 2002–2003 school year Illinois spent $9,851 on each student’s education, compared to a national average of $9,299. There were 16.5 students for every teacher (the national average was 15.9 students). Of the adults over age 25 in the state, 85 percent had a high school diploma, compared to 84.1 percent for the nation as a whole.
B Higher Education
Institutions of higher education in Illinois include the American Conservatory of Music, Chicago State University, DePaul University, Loyola University Chicago, and the University of Chicago, all in Chicago; Bradley University, in Peoria; Illinois State University, in Normal; Knox College, in Galesburg; Northern Illinois University, in De Kalb; Wheaton College, in Wheaton; the University of Illinois, with campuses in Urbana-Champaign, Chicago, and Springfield; Southern Illinois University in Carbondale and Edwardsville; and Northwestern University, in Evanston and Chicago. The first institution of higher education in the state was Illinois College (1829), in Jacksonville. In 2004–2005 Illinois had 60 public and 112 private institutions of higher education.
Facilities for higher education expanded rapidly in the last half of the 20th century. The Chicago campus of the University of Illinois and the Edwardsville campus of Southern Illinois University both opened in 1965. Sangamon State University was founded in 1969 and became the University of Illinois at Springfield in 1995. Governors State University was founded in 1969 in University Park.
With the establishment of Joliet Junior College in 1901, Illinois became the first state to have a public junior college. For a half century thereafter, growth of the junior colleges was slow, but by 1996 there were 62 public and private accredited two-year colleges.
C Libraries and Museums
Chicago, one of the leading cultural centers in North America, is the site of many of the state’s outstanding libraries and museums. Among the notable libraries in Chicago are the John Crerar Library and the Joseph Regenstein Library at the University of Chicago, Chicago Public Library, Newberry Library, and the library of the Chicago Historical Society. Museums in Chicago include the Art Institute of Chicago, Field Museum, John G. Shedd Aquarium, Adler Planetarium and Astronomy Museum, Museum of Science and Industry, DuSable Museum of African-American History, Oriental Institute Museum of the University of Chicago, and the Museum of Broadcast Communications.
There are 627 public library systems in Illinois. Each year the libraries circulate an average of 7.9 books for every resident. The Illinois State Library, which was established at Springfield in 1839, serves as an advisory and reference agency for other libraries throughout the state. Also in Springfield are the Illinois State Archives, a division of the office of Secretary of State, and the Illinois State Historical Library, established in 1889.
One of the principal museums outside Chicago is the Illinois State Museum in Springfield, founded in 1877. Krannert Art Museum, located on the campus of the University of Illinois at Urbana-Champaign, houses a collection of art representing the cultures of Europe, Asia, Africa, and the Americas. Railway museums attract rail fans to Monticello and Union.
D Communications
In 2002 there were 81 daily newspapers published in Illinois. The first newspaper in Illinois was the Illinois Herald, which was established at Kaskaskia in 1814. One of the most notable early newspapers was the Alton Observer (1836), an outspoken antislavery publication edited by abolitionist Elijah P. Lovejoy. The oldest continuously published daily newspaper in the state is the Chicago Tribune, which was established in 1847. Today it has the largest circulation of all the state’s daily newspapers. The other leading Chicago daily is the Chicago Sun-Times. Leading dailies outside of Chicago are the Arlington Heights Daily Herald, the Peoria Journal Star, the Springfield State Journal-Register, the Rockford Register Star, and the Belleville News-Democrat.
The first radio station in Illinois was WDZ, which began broadcasting at Tuscola in 1921 and has since moved to Decatur. The first commercial television station to broadcast was a Chicago station, WBKB, in 1943. There were 95 AM and 183 FM radio stations and 45 television stations in Illinois in 2002.
E Architecture
The French, who established the first permanent European settlements in Illinois, build crude houses of upright logs with overhanging roofs of thatch or bark. Kaskaskia, Prairie du Rocher, and Cahokia had a few more substantial dwellings, some made of locally quarried limestone. Most of the Americans who migrated to Illinois after the American Revolution (1775-1783) lived in log cabins, such as those in the reconstructed village of New Salem, near Petersburg. By the early 19th century, residents who could afford greater construction costs were turning to more substantial frame and brick housing, often reflecting their southern, mid-Atlantic, or New England origins. Public building styles in the first half of the 19th century featured adornments from the popular Greek Revival, Gothic, and Italianate styles.
After a great fire in October 1871, which destroyed many of Chicago’s wood buildings, the city became a leader in the development of modern American architecture (see Chicago School). The world’s first modern skyscraper, the ten-story Home Insurance Building, was completed in 1885, under the direction of engineer and architect William Le Baron Jenney. The chief pioneer of skyscraper construction, however, was Louis Henri Sullivan. His principal draftsman, Frank Lloyd Wright, became the most famous American architect of the 20th century. Wright’s genius is still visible in the village of Oak Park, west of Chicago, at the Frederick C. Robie House on the University of Chicago campus, at the Dana-Thomas House in Springfield, and elsewhere in Illinois.
Beginning in the 1950s, the German-born architect Ludwig Mies van der Rohe had a tremendous influence on the Chicago skyline, as he and other immigrant architects not only designed new structures but trained a new generation of American architects in a style that became known as European modernism. The period from the late 1950s to the mid-1990s saw a major flowering of tall buildings in the city. Representing the Mies school are glass boxes like the Inland Steel Building and the Chicago Federal Center. The twin towered Marina City complex is an example of postmodern expressionism. The pluralism, historicism, and classicism of postmodernism find form in the State of Illinois Center.
F Music
Chicago has long been the focus of musical activity in Illinois and the Midwest. Monthly concerts occurred in Chicago in the 1830s, and choral music and opera were popular in the city as early as the 1850s. In the second half of the 19th century appreciative Chicago audiences attracted many touring orchestras from the East. One visiting conductor, Theodore Thomas, so impressed a group of wealthy Chicagoans that they organized the Chicago Orchestra, now the famous Chicago Symphony Orchestra, for him in 1891. The Chicago Symphony Orchestra produces a summer concert series, featuring guest conductors, at the Ravinia Festival on the North Shore in suburban Highland Park.
The Chicago Grand Opera Company, which included the famous soprano Mary Garden among its first members, came into existence in 1910. Successors were the Chicago Opera Association and later the Chicago Civic Opera Company. The Great Depression of the 1930s forced the Civic Opera to disband, but grand opera returned to the city in 1954 when the Lyric Opera of Chicago made its debut. Today the Lyric thrives with fall, winter, and spring series at the Civic Opera House in downtown Chicago.
Music clubs and societies in many parts of Illinois sponsor community orchestras and choirs. The Illinois Symphony Orchestra, for instance, was formed in the mid-1980s to produce classical music in central Illinois. Many universities and colleges have extensive musical programs.
Chicago gained a considerable reputation for fostering jazz, blues, and folk music in the 20th century. The city is most notably a mecca for the blues, producing some of its most well known musicians as well as influencing its sound. The blues originated in the early 1800s with Southern plantation slave workers. By the early 1920s Mississippi Delta blues musicians were migrating north to Chicago, which was burgeoning with music clubs and recording studios. Chicago became a testing ground for the blues sound. Each year the Chicago Blues Festival draws musicians and music lovers for a four-day event celebrating Chicago as the Blues Capital of the World. Meanwhile, the city’s blues clubs draw performers year around.
VI RECREATION AND PLACES OF INTEREST
Illinois’s parks and forests offer varied opportunities for outdoor recreation. Many miles of abandoned railroad right-of-way, both urban and rural, have become improved hiking and biking trails. Sandy beaches along Lake Michigan provide attractions for swimming and other water-oriented sports. The state’s long, cold winters and abundant snow in its northern sections make winter sports such as ice skating and skiing popular.
Abraham Lincoln, the 16th United States president, is honored throughout Illinois with parks, memorials, and other sites. The state’s automobile license plates even proclaim Illinois as the Land of Lincoln. The Lincoln Heritage Trail, established in 1963, joins many of these sites. Stretching 1,598 km (993 mi), the trail traces the path followed by the Lincoln family from Kentucky, through Indiana, and into Illinois. Included among the Lincoln sites is the Lincoln Home National Historic Site in Springfield, the only home America’s Civil War president ever owned. His residence for 17 years, the home contains many period pieces owned at one time by the Lincoln family.
Lincoln’s Springfield home is the sole Illinois site under the administration of the National Park Service. The service does, however, have an oversight interest in both the Illinois and Michigan National Heritage Corridor, which encompasses the former canal route between Chicago and LaSalle-Peru, and in the Chicago Portage National Historic Site, which marks (in suburban Lyons) the approximate place where early travelers portaged their light watercraft between the Great Lakes and Mississippi drainage basins.
A National and State Forests
Shawnee National Forest, the only national forest in the state, covers 109,000 hectares (270,000 acres) of wooded hill country in southernmost Illinois. Within the forest are facilities for picnicking, camping, hiking, horseback riding, hunting, fishing, boating, and swimming. The five state forests all offer hiking opportunities, and four provide camping facilities.
B State Parks
The State of Illinois administers 73 state parks and two state marinas. The largest park is Pere Marquette State Park, which covers 3,200 hectares (8,000 acres) of wooded country near the junction of the Illinois and Mississippi rivers. Part of the palisades, or cliffs, that rise above the Mississippi River lie within Mississippi Palisades State Park. Starved Rock State Park is the site of Starved Rock, a high, rugged rock mass along the Illinois River. The summit of the huge rock is the site of the former Fort Saint Louis, which was built by the French explorer René-Robert Cavelier, Sieur de La Salle, in 1682 and 1683. The state’s last remaining stand of virgin white pine is preserved farther north, in White Pines Forest State Park. Giant City State Park, in southern Illinois, has been so named because of the presence of huge blocks of eroded sandstone that resemble city buildings. Between them, deeply eroded fissures appear as avenues.
Monks Mound, the largest aboriginal earthen structure in the United States, is preserved in Cahokia Mounds State Historical Site in southwestern Illinois. Located at the site of the largest Native American city north of Mexico, Monks Mound covers 6 hectares (14 acres) and rises about 30 m (about 100 ft) in four terraces (see Mound Builders). The Cave-in-Rock State Park, on the Ohio River, is also the site of Native American mounds. Other picturesque parks are Ferne Clyffe State Park, Apple River Canyon State Park, Matthiessen State Park, and Illinois Beach State Park, which borders Lake Michigan.
In Fort de Chartres State Historic Site, on the Mississippi River in southwestern Illinois, is a restoration of the chief 18th-century fortress in the Illinois country. Fort Kaskaskia State Historic Site, in the southwestern part of the state, was once the site of Fort Kaskaskia, a historic fort that served the French during the middle part of the 18th century. All that remains of the original fort built on a bluff overlooking the Mississippi River are the earthworks around the perimeter. Black Hawk State Historic Site, adjoining the city of Rock Island, includes a museum of Native American artifacts. The park is named for the chief who led the Sac and Fox in the Black Hawk War in 1832. In Lowden State Park, in northern Illinois, is the famous Black Hawk Monument, a concrete statue 15 m (50 ft) high of the Native American leader designed by the noted sculptor Lorado Taft.
A number of state sites preserve places associated with the life of Abraham Lincoln. One of the most picturesque monuments is in Lincoln’s New Salem State Historic Site, which lies northwest of Springfield. Within the park is a reconstruction of the pioneer village of New Salem, where Lincoln lived between 1831 and 1837. The village includes rustic log cabins, rail fences, a store, mills, and a reproduction of Rutledge Tavern, where Lincoln boarded. One original building remains on the site, the Onstot Cooper Shop, where Lincoln often studied in the evenings. In Lincoln Log Cabin State Historic Site, in eastern Illinois, is a reconstruction of the cabin of Lincoln’s father and stepmother.
There are also a number of state memorials in Illinois dedicated to Lincoln. The Lincoln Trail State Memorial marks the place where, in 1830, the Lincoln family crossed the Wabash River from Indiana into Illinois. Vandalia Statehouse, the former state capitol, where Lincoln served as a legislator, is also preserved as a state historic site. Lincoln is buried in the Lincoln Tomb State Historic Site in Springfield. Several courthouses where Lincoln practiced law have been preserved or reconstructed as state historic sites, including the original brick-and-timber Metamora Courthouse just northeast of Peoria, the restored Mount Pulaski Courthouse, and a replica of the Postville Courthouse at Lincoln.
Among other state memorials is Cahokia Courthouse State Historic Site, which preserves the oldest public building in the state. The building dates from 1737. The frame structure that once housed the first bank in the Illinois Territory stands within Shawneetown State Historic Site. The home of Ulysses S. Grant at Galena is now a state historic site as well. The Douglas Tomb State Historic Site in Chicago contains the tomb of the famous American statesman Stephen A. Douglas.
C Other Places to Visit
Many of the state’s outstanding places to visit are in the Chicago area. Among the interesting places to visit elsewhere in Illinois is the famous Brookfield Zoo, which lies west of Chicago. At Lisle, also near Chicago, is the Morton Arboretum, which includes an extensive collection of plant life that covers 600 hectares (1,500 acres).
Places to visit in the city of Springfield include the State Capitol, the Old State Capitol, the Illinois State Museum, and the home of poet Vachel Lindsay. At Galesburg is the Carl Sandburg Birthplace, the restored cottage where the famous poet was born. Other restorations include the Mormon town of Nauvoo and the home and shops of the inventor John Deere at Grant Detour.
D Annual Events
Many annual events in Illinois focus on Chicago during the summer. Taste of Chicago, a June food and entertainment extravaganza, became a Chicago fixture in the early 1980s. Also in the early part of the summer are the Chicago Blues Festival, the Viva Chicago Latin Music Festival, and the Gospel Music Festival. Later events include the Venetian Night (lighted boats parading on the Chicago River) in July, the Chicago Air and Water Show along the shore of Lake Michigan in August, and the Chicago Jazz Fest around the Labor Day weekend.
Springfield, the state capital, hosts the Carillon Festival each June. In July the Capital City Celebration includes a variety of festivities for children. The annual state fair, one of the largest in the country, occurs at the fairgrounds on the north side of Springfield in August.
Many other Illinois communities host annual events to celebrate some aspect of their heritage or a special regional attraction. Rantoul holds The Gathering of Eagles Airshow in June, even though its Chanute Air Force Base closed several years ago. Nauvoo sponsors the Grape Festival in September to commemorate the vineyards that supply the local winery and the settlers who first brought the grape to this Mississippi River community. Fulton County welcomes thousands in October to the events and sights associated with its Spoon River Drive. County fairs, typically preceding the state fair, occur in most Illinois counties.
E Sports
Chicago is the home of several professional sports teams: the White Sox and Cubs (baseball), the Bulls (basketball), the Bears (football), the Fire (soccer), and the Black Hawks (ice hockey). Minor league baseball franchises allow fans to see future stars in Peoria, Springfield, the Quad Cities, and Kane County (just west of Chicago).
VII GOVERNMENT
Illinois’ first constitution was adopted in 1818, at the time of statehood. There were new constitutions in 1848 and 1870. Although the constitution of 1870 was designed for an agrarian society, it remained in effect throughout Illinois’ period of industrialization. A fourth constitution was adopted in 1970 and came into effect in 1971. The latest constitution reflects the concerns of a late-20th-century industrialized state. It includes an expanded bill of rights, which prohibits discrimination in housing and hiring, and guarantees the citizen’s right to a healthful environment. It also establishes the state’s responsibility for financing public education.
Amendments to the constitution may be proposed by three-fifths of the total membership of each house or by a constitutional convention called by the legislature and approved by the voters. Amendments to the section of the constitution dealing with the legislature may be proposed by initiative. A proposed amendment must be placed on the ballot in the next general election. An amendment introduced by the state legislature or by initiative must be approved by three-fifths of those voting on it or a majority of those voting in the election. An amendment introduced by a constitutional convention needs approval only by a majority of those voting on the question.
A Executive
The governor, the state’s chief executive, is elected for a four-year term. With the approval of the state senate, the governor appoints most of the key officials of state administrative departments and agencies. The governor may veto bills passed by the legislature, but the legislature can override such a veto by a three-fifths majority vote of the members in each house. Other elected executive officials are the lieutenant governor who runs on the same ticket as the governor, secretary of state, treasurer, comptroller, and attorney general, all of whom are elected for four-year terms.
B Legislative
The state legislature, called the General Assembly, consists of a Senate and a House of Representatives. There are 59 senators and 118 representatives. Senators are elected to either a two- or four-year term so that there is never a complete turnover of senators in any single general election. Representatives are all elected to two-year terms. The assembly meets annually on the second Wednesday in January. The governor or the presiding officers of both houses may call special sessions.
C Judicial
Illinois has three basic types of courts: the supreme court, appellate court, and circuit courts.
The supreme court, the state’s highest court, is made up of seven judges who are elected for ten-year terms. Three judges are elected from Cook County, which includes Chicago, and one judge from each of four other districts. The judges elect one of their number as chief justice, who serves for three years, unless the person’s term as judge expires sooner. The judges of the state’s appellate court, which is a lower appeals court, are also elected for ten-year terms.
In most cases original jurisdiction rests with the state’s circuit courts. Circuit court judges are elected for six-year terms; they, in turn, appoint associate judges for terms of four years.
D Local Government
An elected county board is the primary policy making body of each of 102 counties in Illinois. In 17 lightly populated counties in the central or southern parts of the state, the county board consists of three commissioners elected at large for staggered three-year terms. These counties do not have political townships. Another 84 counties are governed by a board whose members typically represent a specific portion of their county. These counties all have political townships that share certain governance responsibilities with the county. Cook County, which contains Chicago, operates under a special set of circumstances. The Chicago portion has no political townships, while the suburban section does, and the Cook County Board differs in various ways from other Illinois county boards. A county may elect a chief executive as well as a number of other officers, such as coroner, recorder, assessor, and auditor. More counties have chosen the option of appointing a county administrator than have elected a chief executive. All counties elect a sheriff, county clerk, and treasurer.
Every county with an elective executive and each municipality with a population of more than 25,000 is a so-called home-rule unit. This home-rule status provides the local government with a high degree of authority and power in its own affairs. Municipalities with fewer than 25,000 people may elect to become home-rule units. Counties and municipalities that are not home-rule units possess only those powers specifically granted to them by the constitution or by law. Chicago and most other cities have the mayor and council form of government. Many of the medium-size cities have appointed a professional city manager, thus reducing the role of the mayor. Boards of trustees and a board president, all elected, govern most villages.
E National Representation
Illinois elects two U.S. senators and 19 representatives. The state casts 21 electoral votes.
VIII HISTORY
A Early Inhabitants
The earliest-known inhabitants of the Illinois region were prehistoric peoples who built huge burial and ceremonial mounds of rubble and earth. Scattered throughout the state today are the remains of about 10,000 mounds, including the largest in the United States, Monks Mound in Cahokia Mounds State Historic Site. The city of Cahokia, covering 5.54 sq km (6 sq mi), may have been inhabited by as many as 10,000 to 20,000 people of the Mississippian culture between 1100 and 1200 (see Native Americans of North America: Southeast). To support cities this large and permanent, these peoples developed a complex agricultural system and traded with other native peoples a great distance away, perhaps as far away as Mexico. These peoples also moved more than 1.4 million cu m (50 million cu ft) of earth to create their ceremonial mounds. The site of the principal temple in Cahokia covers 6 hectares (14 acres) and rises in four terraces to an elevation of 30 m (100 ft). The area was abandoned by the Mississippian culture by 1400.
In the 17th century European explorers encountered the Illinois, or Illiniwek, a confederation of Algonquian-speaking peoples that included the Cahokia, Kaskaskia, Michigamea, Moingwena, Peoria, and Tamaroa peoples. In the middle of that century, Iroquois peoples began entering Illinois to search for more furs to trade with Europeans. In the 17th and 18th centuries, disease and intertribal warfare reduced the strength of the Illinois; they were easily driven from their villages by invading Iroquois, Fox, and Sioux peoples. Their lands eventually fell into the possession of other peoples, including the Sac (Sauk), Fox, Kickapoo, and Potawatomi, the last closely related to both the Ojibwa and the Ottawa peoples.
B European Exploration and Early Settlement
The first Europeans known to enter the Illinois country, as the area of the present-day state was called in the 17th and 18th centuries, were two Frenchmen, Louis Joliet, a fur trader, and Jacques Marquette, a Roman Catholic missionary. In 1673 the two men journeyed down the Mississippi River along the western boundary of the present state. On their return journey north they traveled up the Illinois River. They easily carried, or portaged, their small boats between the Des Plaines River, a tributary of the Illinois River, and the Chicago River, which then flowed into Lake Michigan. The Chicago portage, as it was later called, became an important link in the trade route between the Great Lakes and the Mississippi River. Late in 1674 Marquette returned to Illinois and started a mission among the Kaskaskia, near the site of present-day North Utica.
In 1680 another French explorer, René-Robert Cavelier, Sieur de La Salle, built Fort Crèvecoeur (now Creve Coeur) on the Illinois River, opposite the present site of Peoria. In 1682 La Salle, with his lieutenant Henri de Tonty, completed Fort Saint Louis farther up the river. Located on a high, rocky bluff known as Starved Rock, Fort Saint Louis was a major fur-trading center for several years.
The town of Cahokia, on the Mississippi River, was founded as a French mission in 1699. It was the first permanent settlement in the Illinois country. About four years later, Kaskaskia was founded by French missionaries on the Mississippi River at the mouth of the Kaskaskia River. The native peoples were friendly toward the newcomers, and the fur trade flourished.
John Law, a Scottish banker living in France, organized a company, Compagnie de la Louisiane ou d’Occident, in France in 1717 to colonize and develop the Mississippi River valley, all of which lay in the vast French territory known as Louisiana (Louisiane, in French). Law’s company controlled large grants of land around the Mississippi River and had exclusive rights of trade in the territory for 25 years. In 1719 the company absorbed the rival East India and China Company; at the same time, a bank that Law owned became the state bank of France. When the public was invited to invest in the Mississippi venture, which became known as the Mississippi Scheme, or Mississippi Bubble, speculation drove the price of the shares to great heights. In 1720 the whole scheme collapsed after a French royal decree halved the value of Law’s banknotes; shares of Law’s company sank in price as rapidly as they had risen, and the bank suspended payments. Although the project was a financial fiasco, it did bring several hundred colonists to Illinois.
To protect their settlements and investments in Illinois, the French constructed Fort de Chartres, on the east bank of the Mississippi between Kaskaskia and Cahokia. Completed in 1720, the fort was one of the strongest links in the chain of French fortifications in North America, and it was the seat of the French civil and military government in the Illinois region. The fertile lands along the east bank of the Mississippi in Illinois were well suited for farming. There the habitants, as the French settlers were called, raised livestock, grapes and other fruits, tobacco, corn, and wheat. They raised enough wheat to help supply New Orleans and French posts on the Great Lakes. In exchange, the habitants received goods to trade for furs with the native peoples. Agricultural output increased after black slaves were imported in the 1720s.
C British Rule and Warfare
Between 1689 and 1763 the British and the French, with their respective Native American and colonial allies, fought a series of four North American wars for domination on the continent. The wars began after a three-way balance of power broke down. This balance involved the French, the British, and the Iroquois Confederacy—an alliance of the Mohawk, Oneida, Onondaga, Cayuga, and Seneca peoples, and after 1722, the Tuscarora. The Iroquois Confederacy occupied the middle ground between French and British colonies and had successfully excluded both from the strategic Ohio Valley. The Iroquois nations had rendered all previous conflicts indecisive by playing off French against British interests to maintain their own freedom of action.
In 1763 the Treaty of Paris ended the last of these wars, the French and Indian War. Under the treaty, France ceded the Louisiana territory east of the Mississippi to Great Britain. British attempts to take over control of the Illinois country from the French were temporarily thwarted by an anti-British uprising by hostile Native Americans under the leadership of the Ottawa chief Pontiac.
To drive the British from their frontier possessions and reestablish Native American autonomy, Pontiac organized a confederacy that embraced most of the native peoples from the head of Lake Superior almost to the Gulf of Mexico. According to the arrangement, the warriors of each tribe were to attack the garrison in their immediate neighborhood early in May 1763. Pontiac himself was to lead the assault at Detroit.
Fourteen British posts stretched from the Pennsylvania frontier to Lake Superior. The most important were Forts Pitt, Detroit, and Mackinaw. The Native Americans captured all but four of the posts, Niagara, Pitt, Ligonier, and Detroit. The entire British garrison was killed at Mackinaw. A plot to capture Detroit failed (it may have been betrayed by a Native American woman), but Pontiac immediately began a siege that lasted for five months.
After British reinforcements finally reached Detroit, Pontiac’s men began to desert him, and news of a peace treaty between France and Great Britain removed all hopes of French aid. As a result Pontiac ended the siege and on August 17, 1765, entered into a formal peace treaty, which he confirmed in 1766. The British made little effort to develop the Illinois region during their brief rule but they did antagonize the French settlers, many of whom moved to St. Louis or New Orleans.
In 1774 the British Parliament passed the Québec Act. One of the articles of the act designated the land north of the Ohio River, including Illinois, as part of the province of Québec. The act was seen by British colonists as one of the so-called Intolerable Acts, laws punishing the 13 British colonies in North America for hostile acts, including the dumping of British tea into Boston Harbor. The acts greatly angered the settlers and contributed to the outbreak of the American Revolution (1775-1783).
D The American Revolution
During the Revolution, George Rogers Clark of Virginia planned to establish several Illinois settlements to take control of the Old Northwest (the area north of the Ohio River now called the Midwest) from the British. Clark and a small band of men took the British military post at Kaskaskia by surprise on July 4, 1778, and then went on to capture Cahokia and other British garrisons. On the basis of Clark’s daring exploits, Virginia claimed jurisdiction over the lands north of the Ohio River and organized the area as the county of Illinois.
E Territorial Period
Under the terms of the Treaty of Paris of 1783, which ended the revolution, Great Britain surrendered the Old Northwest to the United States. In the years following the treaty, Virginia and other states ceded their claims to the Old Northwest to the federal government. In 1787 the Old Northwest, including Illinois, was organized as the Northwest Territory. In 1800 Illinois was included in the Indiana Territory, and in 1809 it was organized as a separate territory.
The Illinois Territory included present-day Illinois, most of Wisconsin, and large parts of Michigan and Minnesota. Ninian Edwards of Kentucky was appointed territorial governor, and Kaskaskia became the territorial capital.
White settlement proceeded slowly in Illinois during the early 19th century and was concentrated in the southern regions of the territory. The first settlement in northern Illinois developed around Fort Dearborn, which the United States built in 1803 on the site of present-day Chicago. Earlier the territorial governments had begun obtaining the land of native inhabitants in a series of treaties. The treaties exchanged land for yearly grants of money and presents. The native peoples in the Illinois Territory, including the Potawatomi, Kickapoo, and the Sac and Fox, quickly became dissatisfied with their land agreements, and took advantage of the War of 1812 (1812-1815) to side with the British.
The war had begun largely as a result of violations of U.S. maritime rights in fighting between France and Great Britain from 1793 to 1812. To preserve Britain’s naval strength, Royal Navy officers often forcibly removed, or impressed, thousands of sailors from U.S. vessels, including U.S. citizens. Although the United States tried various diplomatic solutions to avoid war, the provocations continued until the United States declared war on June 18, 1812.
In the early part of the war, the United States evacuated the 67-person garrison at Fort Dearborn as the British and their Native American allies tried to gain control of the surrounding area. Accompanied by resident settlers, the garrison started for Detroit with a body of supposedly friendly Potawatomi. On the way, the escort party joined with another large force and attacked the group. Two-thirds of the Americans were killed and the rest were captured; the fort was destroyed on the following day by the Native Americans who later freed several captives after ransoms had been paid at Detroit. Fighting between several native peoples and the United States continued until the end of the war.
The war ended in 1815, and the following year Fort Dearborn was rebuilt on a larger scale and was strongly garrisoned. After the war, the number of white settlers increased. Flatboats and barges carried thousands of emigrants from Virginia, Kentucky, and other Southern states down the Ohio River to Illinois. Other pioneers traveled by wagon across the Allegheny Mountains. Most of the newcomers settled in the wooded areas of southern Illinois, which were similar to the Eastern and Southern states from which they had emigrated. The vast, sparsely wooded prairies of central and northern Illinois remained largely uninhabited by whites.
F Statehood
On December 3, 1818, Illinois became the 21st state of the Union, and in 1820 had a population of 55,000. Kaskaskia became the state capital, and Shadrach Bond was inaugurated as the first governor of the state. Nathaniel Pope, earlier the delegate to the Congress of the United States from the Illinois Territory, had persuaded Congress to set the northern boundary of the new state about 100 km (60 mi) north of the boundary specified in the ordinance that had established the Northwest Territory. As a result Chicago and the Chicago portage became part of the state of Illinois, rather than of Wisconsin.
G Growth and Conflict
In 1820 the Illinois legislature declared Vandalia the temporary state capital for a period of up to 20 years to promote the sale of land and to encourage the development of the state’s uninhabited interior. In 1839 the capital was moved permanently to Springfield. In 1825 the Erie Canal opened and provided a route through the Appalachian Mountains. The Erie Canal, an artificial inland waterway, extends from Lake Erie, at Buffalo, New York, to the Hudson River, near Albany, New York. Subsequently, many settlers from the Northeastern states ventured to central and northern Illinois. Other settlers, primarily from the South, continued to migrate to southern Illinois. Between 1820 and 1830 the total population of the state rose from 55,211 to 157,445.
G1 Black Hawk War
By 1830 most native peoples in Illinois had been forced to move west across the Mississippi. In 1804 the Sac and Fox had agreed, for an annuity of $1,000, to cede to the United States their lands east of the Mississippi River. One Sac chief, Black Hawk, had promptly repudiated this agreement, arguing that the whites had persuaded the Native Americans to sign it after getting the Sac and Fox drunk. Treaties signed in 1815 and 1816 ceded more disputed territory, and in 1823 most of the Sac and Fox settled west of the Mississippi. Black Hawk, however, once more refused to recognize the agreements after white settlers began occupying the vacated lands. The Native Americans were, moreover, suffering from hunger in their new, less fertile lands, and so in April 1832 they returned to the disputed territory to plant crops.
The war began after white settlers shot a peaceful emissary sent by Black Hawk, who had come to realize that he could not defeat the whites. Black Hawk led the Sac to an early victory, but they were defeated near the Wisconsin River on July 21, 1832, and were almost completely annihilated in the Bad Axe Massacre on August 3. Black Hawk escaped the massacre, but then surrendered on August 27. Following Black Hawk’s defeat, the remaining members of the group were settled in Iowa. In 1833 the last treaty relating to the native inhabitants of Illinois was negotiated, and the Potawatomis and two other remaining tribes relinquished all claims to disputed territory in northeastern Illinois.
G2 Mormons
The end of warfare and the removal of the native peoples encouraged white settlement. In 1837 Chicago incorporated as a city of 4,853 residents. However, in the early 1840s the largest city was Nauvoo, founded in 1839 by members of The Church of Jesus Christ of Latter-day Saints, called Mormons, on the Mississippi River north of the mouth of the Des Moines River. By 1845 Nauvoo’s population was more than 12,000, many of whom were Mormons. The non-Mormon population of the area did not approve of Mormon religious practices, especially polygyny, the practice of having more than one wife. As Mormon political power grew and Mormon leader Joseph Smith announced his candidacy for the U.S. presidency, in February 1844, the hostility of non-Mormons also increased. When a group of dissenting Mormons began publishing a newspaper attacking polygyny and Smith’s leadership, Smith ordered the press destroyed. Smith was arrested and charged with treason and conspiracy in Carthage, Illinois. Despite a promise of safety from the Illinois governor, a mob killed Smith and his brother Hyrum after storming the jail on the night of June 27, 1844. In 1846, after additional conflict with their neighbors, the Mormons abandoned Nauvoo. Led by Brigham Young, they headed west and eventually settled in Utah.
G3 Agriculture and Industry
During the 1830s and 1840s increasing numbers of settlers moved onto the prairies. At first they laboriously tilled the heavy, sunbaked prairie sod with cast-iron plows. Then, in 1837, John Deere, a blacksmith in Grand Detour, Illinois, developed a new all-steel plow that turned the prairie soil much more effectively. By 1850 farmers were using the so-called Grand Detour plow across the prairie lands of central and northern Illinois. With the invention and improvement of reapers, threshers, seed drills, corn planters, and multibladed plows, farmers began to cultivate much of the former grasslands, especially in the better-drained west central part of the state. Corn and wheat were the principal cash crops grown, and by 1860, Illinois led the nation in the annual production of both crops. Only after large-scale drainage systems were built late in the 19th century did farmers cultivate the prairie in east central Illinois.
The state’s agricultural development encouraged and then was itself aided by improved transportation. The Illinois and Michigan Canal was completed in 1848, a dozen years after work on it had begun. The canal, which linked the Mississippi River system with Lake Michigan, gave many Illinois farmers a direct water route to Chicago. In the 1850s railroads, such as the Illinois Central (completed in 1856), connected many sections of the state with Chicago. The Illinois Central and other railroads also hastened the sale of land, especially to Easterners, and many of the state’s small towns developed around railroad depots. In the 1850s Illinois grew more rapidly than any other state in the Union. By 1860 Chicago, with a population of about 109,000, had become the leading industrial and commercial center in the Midwest, processing farm produce from the prairies for shipment to the East.
Mining became an important economic activity in the 1840s and 1850s. Lead mining, which had long been carried on in the Galena area, reached its peak in 1848, when northwestern Illinois was the principal source of lead in the United States. After that year lead production declined, but in the following decade coal mining in southern Illinois began to supply the state’s railroads and to provide fuel for domestic and industrial use.
H Slavery and the Lincoln-Douglas Debates
On the eve of the Civil War (1861-1865) the extension of slavery to new territories and states was the major issue confronting Illinoisans. Many settlers in southern Illinois had migrated from the South and strongly sympathized with the proslavery cause. Northern Illinois, however, was inhabited mainly by antislavery settlers who had migrated there from Northeastern states.
Newspaper editor Elijah P. Lovejoy, a supporter of the elimination, or abolition, of slavery, had earned the hatred of proslavery supporters in St. Louis, Missouri, by writing antislavery editorials, and in 1836 he was forced to move his presses to Alton, Illinois, where he published the Alton Observer. Although his presses were destroyed three times by proslavery mobs, Lovejoy continued to attack slavery and urged the formation of a state abolition society. When his presses were again attacked on November 7, 1837, Lovejoy was shot and killed while trying to defend them. His death stimulated the growth of the abolitionist movement throughout the country.
In 1858 nationwide attention again focused on Illinois when the Republican candidate for the U.S. Senate, Abraham Lincoln, and his Democratic opponent, Stephen A. Douglas, debated the extension of slavery into free territories in a series of seven debates across the state. Douglas, infuriating Southern voters, argued in Freeport, Illinois, that slavery could be prohibited in a territory by the voters of that territory. Lincoln countered, arguing that the Dred Scott case of 1857, in which Chief Justice Roger Brooke Taney had asserted that slaves had always been property, opened the possibility that the federal government could force slavery upon nonslaveholding states.
Douglas won the senatorial election, but Lincoln gained a large following across the North, leading to his nomination for president in 1860. With the support of all the nonslaveholding states except New Jersey, Lincoln won the election. Soon afterward the slave states seceded from the Union to form the Confederacy, beginning the Civil War.
I The Civil War
 An overwhelming majority of Illinoisans supported the Lincoln Administration in the Civil War. The fighting never reached Illinois, but more than 250,000 men from the state served in the Union Army, including the famous general (and later president) Ulysses S. Grant, who had moved from St. Louis, Missouri, to Galena, Illinois, in 1860. In the southern part of the state, some Illinoisans who sympathized with the South created a short-lived movement to found a separate state allied with the Confederacy later in the war, and secret societies opposed to continuing the war also flourished in Illinois. In the presidential election of 1864 Illinois again voted for Lincoln, and the Republicans also gained control of the state legislature. On February 1, 1865, near the end of the war, Illinois became the first state to ratify the 13th Amendment to the Constitution of the United States, which abolished slavery.
J Postwar Development
Illinois agriculture expanded and industry developed even more rapidly in the post-Civil War years. The rapid growth of Chicago played an important part in this economic development. The city’s meatpacking industry became the nation’s largest, surpassing that of Cincinnati. Chicago’s manufactures included metal goods, farm machinery, and railroad cars, especially sleeping cars made by the Pullman Palace Car Company. In October 1871 a fire devastated a large part of Chicago, leaving 100,000 people homeless and slowing the city’s rapid growth. The loss to the city was estimated at nearly $300 million. Elsewhere in the state small towns appeared as new settlers continued to arrive. Railroad expansion continued, although the Illinois and Michigan Canal still handled a great amount of traffic. In the downstate area, the area outside of Chicago, coal-mining production increased to meet the demands of industrialization.
During the 1870s many farmers in Illinois and in other states in the upper Mississippi River valley joined the National Grange of the Patrons of Husbandry, commonly called the Grange, which had been founded in 1867 to advance the social, economic, and political interests of farmers in the United States. In Illinois the Grangers protested the high shipping and storage rates that the railroads and grain-elevator owners charged on farm produce. In 1871 the Grangers helped persuade the Illinois legislature to establish limits on prices railroads charged for freight and also to create a state railroad and warehouse commission to supervise freight handling. The constitutionality of these so-called Granger laws was challenged by railroad and grain-elevator owners, but in 1877, in the case of Munn v. Illinois, the Supreme Court of the United States upheld the right of the state to regulate private utilities when regulation was in the public interest. Toward the end of the 1870s, however, the Granger movement lost its political momentum.
Following the Civil War, waves of immigrants, including Poles, Jews from many countries, Serbs, Russians, Czechs, Lithuanians, Italians, and Greeks, arrived in Chicago. To address the needs of these immigrants and to lobby for laws to protect the disadvantaged, in 1889 social reformers Jane Addams and Ellen Gates Starr founded Hull House, which helped needy families and tried to combat juvenile delinquency by providing recreational facilities for children living in slums.
K Labor Unrest
The late 19th century was also marked by widespread unrest among factory workers, miners, and railroad workers in Illinois. Labor and management had increasingly bitter disputes over wages, hours, and working conditions, and Illinois became known for two major labor disputes, the Haymarket Riot in 1886 and the Pullman Strike in 1894.
K1 Haymarket Riot
The Haymarket Riot was a confrontation between police and protesters that took place on May 4, 1886, in Haymarket Square in Chicago. A strike had been in progress at the McCormick reaper works in Chicago, and on May 3 several men had been shot by the police during a riot at the plant. A meeting was called at Haymarket Square the next day as a protest against police violence. The meeting was organized mainly by German-born workers, many of whom were anarchists, people who believe in abolishing government.
The police attempted to disperse the meeting, and in the ensuing riot a bomb was thrown, which triggered another gun battle. Seven policemen were killed and many injured; so were many civilians. Eight anarchists were arrested and charged with being accessories to the crime because they had publicly and frequently advocated such violence. They were tried and found guilty on a variety of charges (the identity of the bomb thrower was never discovered); seven were sentenced to death and one to imprisonment. Eventually four were hanged, one committed suicide, the sentences of two were commuted to life imprisonment, and one received a 15-year term. In 1893 the three in prison were pardoned by the governor of Illinois, John Peter Altgeld, who argued that no evidence had been presented connecting the defendants with the bomb.
K2 Pullman Strike
In May 1894 employees of the Pullman Palace Car Company in Pullman (now part of Chicago) reacted to wage cuts by going on strike. Shortly thereafter, members of the American Railway Union, led by Eugene Victor Debs, refused to handle Pullman cars to support striking Pullman workers. The union disrupted railroad service in the Midwest until President Grover Cleveland broke the strike in July by sending in federal troops over the protest of Governor Altgeld. For his actions Altgeld won renown as a champion of underprivileged workers. During his administration (the only period between 1857 and 1913 that a Democrat was governor of Illinois) legislation was enacted that provided for state factory inspections to look for violators of child-labor laws.
L The Early 20th Century
The state began to improve relations between labor and management in the early years of the 20th century. Support for better working conditions grew after 1906 when Upton Sinclair published The Jungle, a novel that exposed the poor working and living conditions of immigrants in Chicago. In 1903 Illinois became the first state to establish an eight-hour workday and to limit working children to 48 hours of work each week. Six years later the workday for women was limited to ten hours. Following a mine disaster at Cherry in 1909, legislation was passed requiring firefighting and rescue stations in all coal mines, and in 1911 a state workers’ compensation act was passed.
In 1900 the population of Illinois totaled more than 4,800,000, double that of 1865. Chicago alone had about 1,700,000 inhabitants, and for the first time in the history of the state the urban population exceeded the rural population. By the turn of the century, industrialization had increased at a pace sufficient to make Illinois one of the three leading manufacturing states in the country. The years of World War I (1914-1918) also marked the beginning of the great migration north of Southern blacks seeking better opportunities.
Prosperity prevailed in most sectors of the state’s economy through the first three decades of the century. The primary exception to the general prosperity was farming. The market price of farm products declined sharply after World War I and in the 1920s. As a result, many Illinois farmers lost their farms.
M Between World Wars
Violence marred the interwar period. Race riots erupted across the United States in the summer of 1919, the worst occurring in Chicago on July 27. When a black youth swimming in Lake Michigan drifted into an area reserved for whites, he was stoned and drowned. Police refused to arrest the white man whom black observers considered responsible, and angry crowds gathered on the beach. Violence erupted and continued throughout the city for 13 days, resulting in 38 dead, 537 injured, and 1,000 black families left homeless. The riots shocked the nation and prompted many volunteer organizations to work for equality.
In 1919 the U.S. Congress passed the National Prohibition Act, also called the Volstead Act, which enforced the prohibition of alcoholic beverages under the 18th Amendment to the Constitution of the United States. While the Volstead Act was in effect (1919-1933), Chicago was notorious for its illegal alcohol smuggling, called bootlegging, and for ruthless gang warfare. Gangsters like “Bugs” Moran and Al Capone fought turf wars to control the huge profits from illegal alcohol sales and gambling. The violence was epitomized by the Saint Valentine’s Day massacre of 1929, in which Capone won control of Chicago’s underworld when his henchmen, dressed as police officers, killed six of Moran’s gangsters and a visitor.
During the 1920s the state expanded its transportation infrastructure to meet the increased demands of industry and commerce. The government built a statewide highway system of hard-surfaced roads and began work on the Illinois Waterway, which eventually connected Lake Michigan to the Mississippi River.
The decade-long Great Depression that followed the stock-market crash of October 1929 threw thousands of Illinoisans out of work. The state’s farmers suffered from the drastic decline in farm prices and, especially in western Illinois, a long drought resulted in soil erosion and lost crops. Four special sessions of the state legislature were called in 1932 to set up emergency relief programs.
Under the administration of President Franklin Delano Roosevelt federal funds helped create huge public works projects. Farm areas that had suffered soil erosion employed soil conservation measures and the state’s agricultural base was diversified: Soybean cultivation began at that time. In 1933, in the midst of the depression, Chicago celebrated the 100th anniversary of its incorporation as a town by holding a Century of Progress Exposition. The financially successful exposition helped keep many businesses in the Chicago area from going bankrupt. In 1937 the discovery of new oil fields near Patoka set off a boom in oil production in the southern part of the state.
N World War II
The outbreak of World War II in 1939 marked the end of the economic depression in Illinois. Many industrial plants in the state were rapidly converted to produce goods for the war effort and military camps and air bases in the state trained thousands in the armed forces.
Before 1950 any proposed amendment to the state constitution had to be approved by a majority of those who voted in a general election. Many people who voted for candidates, however, failed to vote for or against amendments, and between 1908 and 1950, none of the nine amendments submitted were able to pass. The “gateway amendment,” adopted in 1950, provided that amendments could be adopted either by a majority of those voting in the election or by two-thirds of those voting on the amendment. Five amendments were adopted in the 1950s. Despite the gateway amendment, many called for changes to the Illinois Constitution, and in 1970 the state adopted a new constitution, which was more suited to the needs of an urban industrial state. Among the new features were provisions requiring the General Assembly to meet annually instead of every other year and introducing a state income tax. The constitution went into effect in 1971.
O Recent Developments
From 1950 to 1980 the population continued to grow, but at a declining rate. During the 1950s the farming counties of the far south noticeably lost population; some areas lost 20 to 30 percent of their inhabitants. Chicago also lost some of its population, but the number of its suburban inhabitants nearly doubled. The population loss in Chicago accelerated in the 1960s and again in the 1970s. Metropolitan population growth continued in the 1960s but ended in the 1970s when people moved to Southern and Western states.
The population losses were linked to an economic decline in the state that began in the 1960s and worsened in the 1970s. The state’s industries, based largely on old, inefficient plants and faced with rising energy and labor costs, were less able to compete with either foreign producers or new producers in the Southern and Southwestern states. Illinois coal producers, for example, employed just over 10,000 people in 1990 but only about 5,700 in 1995, after federal clean-air legislation placed high-sulfur Illinois coal at a competitive disadvantage to low-sulfur coal from Western states. To halt the industrial decline in Illinois, the state offered economic incentives to domestic and foreign manufacturers to remain in or relocate to Illinois. In 1981 the state loaned $20 million to the Chrysler Corporation, and several years later persuaded the Mitsubishi Corporation to build a Diamond Star Motor plant in Normal, near Bloomington. A high-tech corridor was created along Interstate 88 southwest of Chicago to encourage the development of new computer and electronic technology. By the 1990s the Illinois economy had substantially recovered; the unemployment rate in early 1996 of just over 5 percent was the lowest rate since 1974.
Politics in postwar Illinois continued to be marked by a division between Democratic Chicago and Republican downstate Illinois. Adlai Ewing Stevenson, who served as Illinois governor from 1949 to 1953, became a spokesman for liberal Democrats who supported more government action on behalf of individual needs, and he was the Democratic presidential candidate in 1952 and 1956. Each time he lost both the nationwide election and the votes of Illinois. Republicans continued to carry Illinois in most presidential elections, though in 1960 and 1964 Illinois supported the Democratic candidates.
In Chicago a Democratic Party political machine, which used political rewards to ensure votes, wielded considerable power under Mayor Richard J. Daley despite the declining urban population. After Daley’s death in 1976, however, dissension erupted in the party. In 1979 Jane Byrne won the Democratic primary and the general election, but she lost the Democratic primary in 1983 to U.S. Congressman Harold Washington, who went on to become Chicago’s first black mayor. Washington was reelected in 1987, but after he died later that year the city council chose Eugene Sawyer, a relatively unpopular alderman, to be acting mayor. He was then defeated in a special election for mayor in 1989 by Richard M. Daley, son of Richard J. Daley.
The Illinois delegation to the U.S. Congress has lost strength due to the loss of seats in the U.S. House of Representatives as well as the retirement, resignation, and election upsets of many senior legislators. Influential Democratic Senator Alan Dixon lost in a primary bid in 1992 to Carol Moseley-Braun, who became the first black woman elected to the United States Senate. Representative Dan Rostenkowski, chairman of the House Ways and Means Committee, pled guilty to two counts of mail fraud after losing his 1994 reelection bid. Robert Michel, Republican minority leader from 1981 to 1994, retired just before the Republican Party gained control of Congress later that year. Finally, Democratic Senator Paul Simon announced he would not seek reelection in 1996.
In 1995 U.S. Representative Mel Reynolds was charged with having sex with a 16-year-old campaign worker and resigned. He was convicted of sexual misconduct and obstruction of justice and began serving a five-year prison term later that year.
The history section of this article was contributed by Thomas F. Schwartz. The remainder of the article was contributed by Michael D. Sublett.

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