none. all the states were in the union. the otheones left the union.
Delaware was the first state to enter the union in 1787
The first frontier state to enter the Union was Vermont in 1791.
The first state in the Union was Delaware.
Delaware was the first state to join the Union ( Hawaii was the last ).
Michigan was the first Midwest state to enter the Union.
Delaware was the first state to join the union in December 7, 1787!
South Carolina was the first state to break free of the Union.
Delaware
Delaware was the first state admitted to the Union (in 1787.)
Delaware was the first state admitted to the Union on December 7, 1787.
Delaware was admitted to the Union on December 7, 1787 becoming the 1st state to join the union.
Delaware was the first state to join the union.