US is not a state it is a country!
August 21, 1959.
Wyoming officially became a US state on July 10, 1890.
The 50th state
1998
Uh... Mexico is not a state. It is a country.
December 14th, 1819 it was admitted as the 22nd U.S state but it later left the Union to become a Confederate state
They had to sign up to be a part of the US
2015
Never. Chicago is not a state. Chicago is a city.
Hawaii
The usual date of statehood is considered to be the ratification of the US Constitution which Virginia did on June 26, 1788.
Colorado became a state on august 1, 1876.