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

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.