Named for the Illinois Indians, Illinois became the 21st state in 1818. Its capital is Springfield, which is the home of the Abraham Lincoln Presidential Library and Museum.

Capital City: Springfield
Nickname: Land of Lincoln / Prairie State
Motto: State sovereignty, national union.
Statehood: December 3, 1818 (21st)
Origin of State’s Name: French version of an Algonquin Indian for “warriors”
Largest Cities: Chicago, Rockford, Aurora, Springfield, Peoria
Border States: Indiana, Iowa, Michigan, Kentucky, Missouri, Wisconsin
Land Area: 55,593 sq. mi.; 24th largest
State Bird: Cardinal
State Flower: Native Violet (viola)
State Tree: White Oak (quercus alba)
State Song: Illinois