1964
Mission to Mars
The U.S. spacecraft Mariner 4 launched—on its way to the first successful mission to Mars.
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1520
Portuguese explorer Ferdinand Magellan passed through the strait which bears his name to the Pacific ocean.
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1919
American-born Lady Astor became the first woman to take a seat on the British Parliament.
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1942
Almost 500 people died in the Coconut Grove nightclub fire in Boston.
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1943
Churchill, Roosevelt, and Stalin met in Tehran for their first meeting during World War II.
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1990
Margaret Thatcher resigned as prime minister of Great Britain; John Major took over.
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