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Events on Saturday 2 November 1889 1
1889Four states admitted to the UnionNorth Dakota, South Dakota, Montana and Washington join the United StatesPresident Benjamin Harrison signed proclamations admitting North Dakota and South Dakota on November 2, followed by Montana on November 8 and Washington on November 11. The near-simultaneous admissions were part of a broader wave of westward statehood in the late 1880s.