Fort Pitt (Pennsylvania) among Native Americans devastated the tribes of Ohio Valley and the Great Lakes areas. On August 1, 1763, most of the American Indians broke off the siege to intercept the approaching force under Colonel Bouquet. In the Battle of Bushy Run, Bouquet fought off the American Indian attack and relieved Fort Pitt on August 10. In 1772, after Pontiac's War, the British commander at Fort Pitt sold the building to two colonists, William Thompson and Alexander Ross. At that time, the Pittsburgh area was claimed by the colonies of both Virginia and Pennsylvania, which struggled for power over the region.
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