when did the virgin islands became part of the us
History of the United States Virgin Islands The islands were purchased from the Danish by the United States in 1917 under the Treaty of the Danish West Indies.
51st state Before Alaska and Hawaii became states of the United States in 1959, the corresponding expression was "the 49th state".
Paris Peace Accords
United States Virgin Islands The U.S. Virgin Islands are an organized, unincorporated United States territory. Although they are U.S. citizens, U.S. Virgin Islanders residing in the territory are ineligible to vote for the President of the United States. They are, however, eligible to vote if they become residents of mainland U.S. states.