North Dakota By tayjcunningham Period: Jan 1, 1804 to Jan 1, 1986 North Dakota History Oct 24, 1804 Lewis and Clark Lewis and Clark and their corp arrive near Bismarck in the Mandan and Hidatsa villages. Jan 12, 1863 Dakota Territory Dakota territory was open for homesteading Nov 2, 1889 Became a state North Dakota became the 39th state in the union May 23, 1922 WDAY WDAY radio station made its first debut. Jan 7, 1985 Beryl J. Levine Became first woman justice on the North Dakota supreme court