The Republican Party nominated Abraham Lincoln for president at the 1860 Republican National Convention.
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The Crusaders lost control of the city of Acre, the Kingdom of Jerusalem's last bastion, after a fourteen-day siege.
John Bellingham was sentenced to death for assassinating Spencer Perceval, the British Prime Minister.
Apollo 10 was launched from the John F. Kennedy Space Center on a mission to the Moon.
The Chinese Theater opened in Hollywood, California, built in an Exotic Revival style architecture.
Britain declared war on France after Napoleon Bonaparte continued interfering in Italy and Switzerland.
