The state motto of Illinois is "State Sovereignty, national union"
2
December 3,1818
yes
Springfield is the capital city in the U.S. state of Illinois.
Springfield
Mississippi River
Indiana.
Springfield.
Coal
Louis Jolliet and Father Marquette arrived in Illinois in 1673, and in 1818, Illinois became the 21st state of the United States.
597
Charles Mound at 1,235 ft.