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
Tecumseh along the Thames Valley. Tecumseh sought continued British support in order to defend tribal lands against the Americans. However, a much reinforced Harrison led an invasion of Canada. The siege began on May 5, 1813, when a small British force of less than 1,000 men under the command of Major-General Procter, the British commander on the Detroit frontier, and an estimated 1,250 Indian warriors led by Tecumseh and the Wyandot leader, Roundhead, attempted to capture Fort Meigs in northwestern Ohio. The British hoped that the effort would delay an American offensive attack against Detroit, which the British had captured in