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 Wayne (Detroit) Detroit River with his troops and landed on the future Fort Wayne site before marching to Detroit. In the ensuing Siege of Detroit, American general William Hull, believing himself completely surrounded and outnumbered, surrendered Fort Shelby to the British without offering any resistance. The British later abandoned the fort and American troops reoccupied it. In 1815, the future Fort Wayne site was where American government and the local Native American tribal leaders met to sign of the Treaty of Springwells, which marked the official (though belated) end of hostilities between the government and tribes who had allied with the British