Siege of Fort Pitt the territory west of the Appalachian Mountains as they had agreed, the British remained on Native lands and reinforced their forts while settlers continued to push westward. The attacks led by Pontiac against the British in early May 1763, near Fort Detroit, mark what is generally considered to be the beginning of Pontiac's War. The siege of Fort Pitt and numerous other British forts during the spring and summer of 1763 were part of an effort by American Indians to reclaim their territory by driving the British out of the Ohio Country and back across the Appalachian Mountains. While many
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