Pontiac (Ottawa leader) October, he lifted the siege and withdrew to the Illinois Country. Pontiac's actions contributed to the British Crown's issuance of the Proclamation of 1763, which prohibited British settlers west of the Appalachian Mountains. This was an effort to preserve an area for Native Americans. Pontiac's influence declined around Detroit because of the unsuccessful siege, but he gained stature as he continued to encourage resistance against the British. Seeking to end the war, British officials made him the focus of their diplomatic efforts. In July 1766, he made peace with British Superintendent of Indian Affairs Sir William Johnson. The British attention
Fort Detroit by the British after the French surrendered Montreal in 1760 during the French and Indian War (part of the Seven Years' War). The British held it until the American Revolutionary War, and it was taken over by the United States afterward. They built Fort Lernoult to the north along the river in 1779. This was later renamed as Fort Shelby and was abandoned by the US military in the 1820s. The city of Detroit demolished Fort Shelby in 1827. Cadillac ordered Fort Detroit built on the west side of the Detroit River in an effort to prevent British colonists from