when did the us add the 49th state
51st state Before Alaska and Hawaii became states of the United States in 1959, the corresponding expression was "the 49th state".
Paris Peace Accords
Economic nationalism While the coining of the term "
51st state Voters in Washington, D.C. and Puerto Rico have both voted for statehood in referendums.[2][3] As statehood candidates, their admission to the Union requires Congressional approval with the President's signature.[4]