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 Detroit disarmed, the French attacked and killed all of them. This event is known in the Grosse Pointe area as the Fox Indian Massacre. This siege of Fort Detroit was the opening incident in the Fox Wars. After a few years the British and the French conflict over North America, a front in the Seven Years' War of Europe, came to a head in the French and Indian War, which broke out in 1754. Detroit was far removed from the main areas of conflict and was not involved in combat. Two months after the capitulation in 1760 of the French at