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 Mackinac communities such as the Wyandots near Detroit, who had been friendly to the Americans or neutral, to rally to the British cause. Their hostility influenced the U.S. surrender at the Siege of Detroit shortly afterwards. Lieutenant Hanks was killed by a cannon shot at Detroit shortly before the surrender, while awaiting a court martial for cowardice. British control of Fort Mackinac and northern Michigan was not seriously challenged until 1814 when a large American force was dispatched to retake control of the area. However, the American force was defeated in the Battle of Mackinac Island and the Engagements on Lake