Illinois was the 21st state to join the United States of America on December 3, 1818. Illinois is the sixth most populous state with the capital being Springfield but Chicago being the center. Here are 15 amazing facts about Illinois.
Illinois was the 21st state to join the United States of America on December 3, 1818. Illinois is the sixth most populous state with the capital being Springfield but Chicago being the center. Here are 15 amazing facts about Illinois.