Margaret Thatcher became Britain’s first female prime minister.
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Pope Alexander VI divided the New World between Spain and Portugal.
American Academy of Arts & Science was established in Boston with James Bowdoin, John, and Samuel Adams as founding members.
NASA's Atlantis Space Shuttle ferried the Magellan space probe into orbit.
The Cincinnati Red Stockings played their first game, winning with 45-9 against the Great Westerns of Cincinnati.
Latvia declared its independence from the Soviet Union.
