On this day: April 10

Published On: Apr 08 2013 11:21:02 AM EDT   Updated On: Apr 10 2014 02:00:00 AM EDT
China-USA ping-pong diplomacy, 1971

The first Arbor Day is celebrated, the Titanic sets sail, "The Great Gatsby" is published, Paul McCartney quits The Beatles, and the U.S. and China engage in "ping-pong diplomacy," all on this day.