Fort Vincennes was a French military outpost on the Wabash River. located at the site of the present-day city of Vincennes, Indiana.

Construction

François-Marie Bissot, Sieur de Vincennes, acting under the authority of the French colony of Louisiana, contructed the fort in 1731-1732. The outpost was designed to secure the lower Wabash valley for France, mostly by strengthening ties with the Miami, Wea and Piankashaw nations.Andrew R. L. Cayton, Frontier Indiana (Bloomington, IN: Indiana University Press, 1996), 18.

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