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.
Siege of Fort Wayne safety of Ohio. In September 1812, Indians from the Potawatomi and Miami tribes, led by Chief Winamac, gathered around Fort Wayne. Captain James Rhea sent letters to John Johnston and Ohio Governor Return Meigs to ask for assistance. The growing Indian threat outside the fort led Rhea to begin drinking heavily. On several occasions Rhea invited Indian delegates into the fort to discuss terms of peace with the Indians. On 4 September, Potawatomi chiefs Winamac and Wannangsea approached the fort under a flag of truce and asked to speak to Captain Rhea. Rhea, who had been drinking, met them at