Following U.S. independence in 1783, which made the Mississippi River the national boundary, American settlers began arriving from Kentucky via the Ohio River. Illinois was soon part of the United States' oldest territory, the Northwest Territory, and in 1818, it achieved statehood.

Geographical and historical treatment of Illinois, including maps and a survey of its people, economy, and government. Its capital city is Springfield, and its largest city and most important cultural and economic center is Chicago.

Discover the University of Illinois Urbana-Champaign—where innovation, community, and discovery drive world-class learning, research, and public impact.

Your guide to the best of Illinois. Places to go, things to do, the best places to eat and drink, must-see Chicago, trip ideas and inspiration for your Illinois vacation.

Discover the best of Illinois from iconic Chicago to scenic state parks, historic Route 66 stops and charming small towns. Plan your perfect Illinois getaway!

Illinois Tourism: Tripadvisor has 2,200,575 reviews of Illinois Hotels, Attractions, and Restaurants making it your best Illinois resource.

Blank Outline Maps: Find printable blank map of the State of Illinois , without names, so you can quiz yourself on important locations, abbreviations, or state capital.

Illinois, Amerika Birleşik Devletleri'nin Ortabatı bölgesi 'ndedir ve Kuzey Amerika'nın Büyük Göller bölgesindeki sekiz eyaletten biridir (aynı zamanda Ontario, Kanada'yı da kapsar).

Stay informed on Illinois news, from Chicago politics to business and the economy. Get reliable updates and analysis from Reuters.

General Map of Illinois, United States. The detailed map shows the US state of Illinois with boundaries, the location of the state capital Springfield, major cities and populated places, rivers and lakes, interstate highways, principal highways, and railroads.