Battle of Twin Forks.
The Battle of Twin Forks was an 1810 battle of Tecumseh's War between the Indian Army of the Shawnee war chief Tecumseh and the Indiana militia led by General William Henry Harrison. Sobel does not say where in the Confederation of Indiana the Battle of Twin Forks took place, but he does state that Tecumseh's army crushed that of General Harrison. Harrison survived the battle and within three years had risen to become the Governor of Indiana.
Sobel's sources for the Battle of Twin Forks are Harrison's memoirs, The Autobiography of William Henry Harrison (Burgoyne, 1840); and Henry Brand's Tecumseh and the Indianan Wars (New York, 1970).