Illinois became the 21st state of the United States of America in 1818.
Illinois became a state in 1818.
Illinois became a state in 1818.
Illinois became a state in 1818.
Illinois became a state in 1818. It was the 21st state
Illinois became the 21st state on December 3, 1818.
Illinois received statehood on December 3, 1818. It was the 21st state to be admitted to the Union.
December 3, 1818
Illinois became the 21st US state in 1818.
It became a state on 3 December 1818.
Illinois became the 21st state in December of 1818.
It was the year the Illinois State Seal was designed. Illinois became a state in 1818.
Illinois was admitted into the Union on December 3, 1818 becoming the 21st state to join the union.