when was alaska added to the united states
Alaska The United States purchased Alaska from the Russian Empire on March 30, 1867, for 7.2Â million U.S. dollars at approximately two cents per acre ($4.74/km2). The area went through several administrative changes before becoming organized as a territory on May 11, 1912. It was admitted as the 49th state of the U.S. on January 3, 1959.[6]