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.
Coshocton, Ohio moved further west to the Sandusky River area, closer to the British Fort Detroit. From there the British and Lenape raided colonial frontier settlements. The Lenape sympathetic to the new United States stayed near Coshocton. Chief Newcomer signed the Fort Pitt Treaty of 1778, by which the Lenape hoped to secure their safety during the War, and he promised scouts and support to the rebel colonists. They also hoped to lay the base for a Native American state in the new nation. In retaliation for frontier raids by hostile Lenape and British, Colonel Daniel Brodhead of the American militia ignored