 Each attack was repulsed, including the battle known as St. Clair's Defeat, recognized as the worst defeat of an American army by Native Americans in U.S. history.The Northwest Indian War ended with the Battle of Fallen Timbers and Treaty of Greenville.Those Miami who still resented the United States gathered around Ouiatenon and Prophetstown, where Shawnee Chief Tecumseh led a coalition of Native American nations.