when did alaska become a territory of the united states
Territory of Alaska The Territory of Alaska or Alaska Territory was an organized incorporated territory of the United States that existed from August 24, 1912, until January 3, 1959, when it was admitted to the Union as the State of Alaska. The territory was created as the District of Alaska on May 17, 1884.
Dakota Territory The Territory of Dakota was an organized incorporated territory of the United States that existed from March 2, 1861, until November 2, 1889, when the final extent of the reduced territory was split and admitted to the Union as the states of North and South Dakota.