Siege of Fort Detroit command of Captain James Dalyell arrived at Fort Detroit. On July 31, 1763, about 250 men attempted to make a surprise attack on Pontiac's encampment. Pontiac was ready and waiting with over 400 warriors, and defeated the British at the Battle of Bloody Run. However, the situation at the fort remained a stalemate, and Pontiac's influence among his followers began to wane. Groups of Indians began to abandon the siege, some of them making peace with the British before departing. On October 31, 1763, finally convinced that the French in Illinois would not come to his aid, Pontiac lifted the
Siege of Fort Stanwix surrendered after the Battle of Bemis Heights (second Saratoga). In an analysis after the surrender, Burgoyne noted that the failure of General William Howe to support him made it possible for Washington to divert resources from the area around New York City to assist both in the relief of Stanwix and at Saratoga. Fort Stanwix itself saw little action after the siege, although it was a dangerous and unpopular posting because of regular harassment by Loyalists and hostile Indians. In the spring of 1779 the Continental Army used the fort as a staging ground for the destruction of Onondaga Castle.