On this day: May 7

Published On: May 06 2013 03:54:21 PM EDT   Updated On: May 07 2014 02:00:00 AM EDT

Joan of Arc leads the French to victory, the Germans sink the Lusitania, the Nazis surrender, the 27th Amendment is ratified after two centuries, and Mercedes-Benz and Chrysler announce a $40 billion merger, all on this day.