Northern Somalia declared its independence, becoming the unrecognized de facto Republic of Somaliland.
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The Chinese Theater opened in Hollywood, California, built in an Exotic Revival style architecture.
The Crusaders lost control of the city of Acre, the Kingdom of Jerusalem's last bastion, after a fourteen-day siege.
The Republican Party nominated Abraham Lincoln for president at the 1860 Republican National Convention.
John Bellingham was sentenced to death for assassinating Spencer Perceval, the British Prime Minister.
The Worms massacre began.
