and what year they i become a part of the us
In 1787.
Hawaii in 1959.
1817 July,4
October 24th, 1945
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.
It is not "northeast of the US" because that would mean NY State lies somewhere in the Atlantic Ocean. But Hancock, New York is in the northeast part of the US because NY State is part of the northeast US.
The same year as the rest of Illinois, in 1818.
In 1848 it was admitted into the United States Of America.