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February 25, 2023 all-day
The British flag would not be raised above Fort Sackville on the morning of February 25, 1779. British Lieutenant-Governor Henry Hamilton and his garrison marched out of the fort at 10 a.m. and surrendered to American Colonel George Rogers Clark.
As a result of Clark’s brilliant military activities, the British ceded to the United States a vast area of land west of the Appalachian Mountains. That territory now includes the states of Ohio, Indiana, Illinois, Michigan, Wisconsin and the eastern portion of Minnesota.
George Rogers Clarke National Historical Park brochure