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 Randolph (West Virginia) to examine the land around Point Pleasant. Many other British colonists and surveyors did the same over the next few years. The American Indians of the Ohio Country, who hunted on the land south of the Ohio River, had not been consulted in the 1768 treaty. The eventual result was Dunmore's War in 1774, fought primarily between militia from Virginia and Shawnees and Mingos from the Ohio Country, led by Chief Cornstalk. The Battle of Point Pleasant, the only major battle of the war, was fought on the future site of Fort Randolph. After the battle, a small fort called