This Day in History

April 10

1809  
Napoleonic Wars: The War of the Fifth Coalition begins when Austria invades Bavaria.
1912  
The Titanic leaves port in Southampton, England for her first and only voyage.
1971     
Ping Pong Diplomacy: In an attempt to thaw relations with the United States, the People's Republic of China hosts the U.S. table tennis team for a weeklong visit.
1972     
Seventy-four nations sign the Biological Weapons Convention, the first multilateral disarmament treaty banning the production of biological weapons.