History's greatest showman is born, a war begins, and two of man's greatest inventions are unveiled, all on this day.
1810: P.T. Barnum, the showman, entertainer and businessman remembered for promoting celebrated hoaxes and for founding the circus that became the Ringling Bros. and Barnum & Bailey Circus, is born in Bethel, Conn.
The following five celebrity urban legends will likely live on long into the future, despite the fact that none of them is remotely true.
Whatever their reasons, more than a few stars have decided to walk away from their chosen fields only to get the itch and return -- some more than once. Take a look at some celebrities who have "unretired."