In 1848 it was admitted into the United States of America.
and what year they i become a part of the us
In 1788.
In 1787.
October 24th, 1945
Hawaii in 1959.
1817 July,4
1791
It hasn't. Canada is its own country.
It became a state in 1959.
It became the 22nd US State on 14 December 1819.
The same year as the rest of Illinois, in 1818.
1817 July 4