The attacking army left from Vincennes and found an apparent white flag of surrender at the Indian encampment.  
One of the units involved in this battle was a company of mounted riflemen nicknamed the Yellow Jackets.   The attacking army left from Vincennes and found an apparent white flag of surrender at the Indian encampment.  The flag turned out to be a ruse, but the Indian army was so small, it scattered in the face of the much larger American force.  Precipitating the downfall of the Prophet and the dissolution of Tecumseh's Indian confederation, this is, FTP, what 1811 battle which made a hero of William Henry Harrison and figured prominently into his campaign slogan?
One of the units involved in this battle was a company of mounted riflemen nicknamed the Yellow Jackets.   
Battle of Tippecanoe