Readers of Indiana's Timeless Tales - 1782 - 1791 will discover a wealth of early Indiana history with this timeline of events that cover Indiana history from the formation of the Northwest Territory until General St. Claire's disastrous campaign during Little Turtle's War at the Battle of the Wabash.Northwest TerritoryPressure on the native tribes that inhabited the Ohio River Valley region increased after the formation of the Northwest Territory by the Congress. Pioneers began moving into southern Ohio and to a lesser extent the area that would become southern Indiana. Little Turtle's War, or the Northwest Indian WarThe Miami Chief Little Turtle led the tribes that had united in the Northwestern Confederacy and launched raids against the settlements that encroached on native lands. The violence sparked a number of U. S. military expeditions into Ohio and Indiana. General Arthur St. Claire's expedition in 1791 ended in disaster and the largest United States military defeat, by ratio, in the nation's history at the Battle of the Wabash, sometimes called St. Claire's Defeat.