Siege of Fort Pitt Siege of Fort Pitt The Siege of Fort Pitt took place during June and July 1763 in what is now the city of Pittsburgh, Pennsylvania, United States. The siege was a part of Pontiac's War, an effort by Native Americans to remove the British from the Ohio Country and Allegheny Plateau after they refused to honor their promises and treaties to leave voluntarily after the defeat of the French. The Native American efforts of diplomacy, and by siege, to remove the British from Fort Pitt ultimately failed. This event is best known as an early instance of biological warfare, where
Fort Detroit Siege of Fort Detroit). The British force in the fort, commanded by Henry Gladwin, consisted of 130 soldiers with two 6-pound cannons, one 3-pound cannon, and three mortars. The 6-gun schooner "Huron" was anchored nearby in the Detroit River. Two months into the siege, on July 29, 1763, the British brought a large relief force into the area. Skirmishing in the area, including the Battle of Bloody Run, continued until mid-November when the Indians dispersed. During the American Revolutionary War, Detroit was far to the west of the main areas of action. The British used the fort to arm American