NASA’s Galileo spacecraft made its first flyby of Earth.
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US President Ronald Reagan and Soviet leader Mikhail Gorbachev signed a treaty eliminating medium-range nuclear missiles.
The Clifton Suspension Bridge was finally opened.
The Commonwealth of Independent States was formed by the leaders of Russia, Ukraine, and Belarus.
Eamon de Valera publicly repudiated the Anglo-Irish Treaty.
President Franklin D. Roosevelt delivered his 'Day of Infamy' speech to the US Congress – a day after the bombing of Pearl Harbor.