Kamiakin led a band of warriors into the first engagement of the war and on October 4 and 5, 1855, he defeated a force of 84 soldiers led by Major Haller near Simcoe Valley. Kamiakin was also instrumental in the final battle of the war. On September 5, 1858, Colonel George Wright, with a force of 700 soldiers, defeated Kamiakin and his warriors at the Battle of Four Lakes. Kamiakin was wounded in the battle when he was struck by a pine tree felled by cannon fire.