In the War of 1812 Harrison was given command of the Army in the Northwest with rank of brigadier general. Harrison was promoted to major general in early 1813. During the War of 1812 Tecumseh and Harrison met at the Battle of Thames. October 15, 1813, at the Battle of Thames, north of Lake Erie, he defeated the combined British and Indian forces. It was during this battle that Tecumseh was killed and the British commander fled. This was the final battle in the War of 1812. Harrison's campaign ended the hostile Indian confederation and secured the northwestern border.