1956

http://en.wikipedia.org/wiki/1956#Events
Here is a few highlights:

June 29: Marilyn Monroe marries playwright Arthur Miller
July 4: The Ant Farm was invented at a picnic
August 17: West Germany bans the communist party
April 19: Grace Kelly marries the Prince Rainier III of Monaco
Feb. 26: Elvis enters the American music charts with Heartbreak Hotel

Born this year: Joe Montana, Tom Hanks, Judy Davis

Died this year: Alfred Kinsey, Bela Lugosi, A. A. Milne