In 1535: Sir Thomas More was executed in England for treason.
In 1777: During the American Revolution, British forces captured Fort Ticonderoga.
In 1885: French scientist Louis Pasteur successfully tested an anti-rabies vaccine on a boy bitten by an infected dog.
In 1957: Althea Gibson became the first black tennis player to win a Wimbledon singles title, defeating fellow American Darlene Hard 6-3, 6-2.
In 1967: The Biafran War began. The war lasted over two years and cost 600,000 lives.