Question: what was the last state to become part of the us
Answer: mitted ) Wyoming Territory 45 Utah 000000001896 - 01 - 04 - 0000 January 4 , 1896 ( admitted ) Utah Territory 46 Oklahoma 000000001907 - 11 - 16 - 0000 November 16 , 1907 ( admitted ) Oklahoma Territory and Indian Territory 47 New Mexico 000000001912 - 01 - 06 - 0000 January 6 , 1912 ( admitted ) New Mexico Territory 48 Arizona 000000001912 - 02 - 14 - 0000 February 14 , 1912 ( admitted ) Arizona Territory 49 Alaska 000000001959 - 01 - 03 - 0000 January 3 , 1959 ( admitted ) Alaska ! Territory of Alaska 50 Hawaii 000000001959 - 08 - 21 - 0000 August 21 , 1959 ( admitted ) Hawaii ! Territory of Hawaii