Britain declared war on France after Napoleon Bonaparte continued interfering in Italy and Switzerland.
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Apollo 10 was launched from the John F. Kennedy Space Center on a mission to the Moon.
The Crusaders lost control of the city of Acre, the Kingdom of Jerusalem's last bastion, after a fourteen-day siege.
Chris Cornell, American musician of Soundgarden and Audioslave, committed suicide at age 52 by hanging.
President Franklin D. Roosevelt signed Tennessee Valley Act to build dams.
India had their first successful nuclear bomb test.
