A hat said to be worn by Napoleon Bonaparte sold for more than $400,000.<br />The De Baecque auction house in Lyon, France told CNN the buyer is a European collector.<br />The hat is believed to have been worn at the Battle of Waterloo.<br />Napoleon had about 120 two-cornered military dress hats, of which only 19 remain.<br />Napoleon declared himself France's emperor in 1804 and made a lasting impact on the country ,<br />After his defeat at Waterloo in 1815, he was exiled to the remote island of St. <br />
