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.

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).

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.

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.

Welcome to Illinois.gov! Find places to go, things to see. Search through all the different services offered by the various Illinois agencies.

Illinois, a state in the Midwestern United States, shares its borders with Wisconsin to the north, Indiana to the east, and the Mississippi River forms its western border with Iowa and Missouri.

On July 4, 1800, the Northwest Territory was divided, and the Illinois country was made a part of Indiana Territory; Illinois Territory was formed in 1809 by dividing Indiana Territory, and Illinois attained statehood nine years later.

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

Known for its magnificent rock formations of St. Peter sandstone, this scenic park offers many hiking and horseback riding trails plus fishing and boating along the banks of the Illinois River.

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.