US President Ronald Reagan and Soviet leader Mikhail Gorbachev signed a treaty eliminating medium-range nuclear missiles.
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Trevor Noah hosted his final episode of the late-night talk and satirical news television program 'The Daily Show.'
John Lennon had his last professional photoshoot.
Dwight D. Eisenhower gave his 'Atoms for Peace' speech at the United Nations in New York.
Abraham Lincoln issued his Amnesty Proclamation and plan for the Reconstruction of the South.
SpaceX became the first private company to launch, orbit, and recover a spacecraft.