"Illinois" is the modern spelling for the early French Catholic missionaries and explorers' name for the Illinois Native Americans, a name that was spelled in many different ways in the early records.
American scholars … See more

During the early part of the Paleozoic Era, the area that would one day become Illinois was submerged beneath a shallow sea and located near the Equator. Diverse marine life lived at this time, including trilobites, brachiopods, and crinoids. Changing … See more

By several metrics, including racial and ethnic background, religious affiliation, and percentage of rural and urban divide, Illinois is the most representative of the larger See more

Museums
Illinois has numerous museums; the greatest concentration of these are in Chicago. Several museums in Chicago are ranked as some of … See more

Pre-European
American Indians of successive cultures lived along the waterways of the Illinois area for thousands of years before the arrival of … See more

Illinois is located in the Midwest region of the United States and is one of the eight states in the Great Lakes region of North America (which also includes Ontario, Canada).
Boundaries
Illinois's eastern … See more

As of 2022, the gross state product for Illinois reached US$1.0 trillion.
As of February 2019, the unemployment rate in Illinois … See more