Tecumseh's War or Tecumseh's Rebellion was a conflict between the United States Army and an American Indian confederacy led by the Shawnee leader Tecumseh in the Indiana Territory. Although the war is often considered to have climaxed with William Henry Harrison's victory at the Battle of Tippecanoe in 1811, Tecumseh's War essentially continued into the War of 1812, and is frequently considered a part of that larger struggle. The war lasted for two more years, until the fall of 1813, when Tecumseh, as well as second-in-command Roundhead died fighting Harrison's Army of the Northwest at the Battle of the Thames in Upper Canada, near present-day Chatham, Ontario, and his confederacy disintegrated. Tecumseh's War is viewed by some academic historians as being the final conflict of a longer te