French School, (18th century); French. Medium: watercolour on paper. Date: 18th Century. Fort established by the French in 1701 on the Detroit river; ceded to the British in 1760 and by the British to the United States in 1796; Provenance: Service Historique de L'Armee et de L'Air, Vincennes, France. Photographic Rights The Bridgeman Art Library.