A fire destroyed Vienna’s Ring Theater, which killed between 640-850 people.
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SpaceX became the first private company to launch, orbit, and recover a spacecraft.
Abraham Lincoln issued his Amnesty Proclamation and plan for the Reconstruction of the South.
Dwight D. Eisenhower gave his 'Atoms for Peace' speech at the United Nations in New York.
Metallica became the first band to have performed on all seven continents when they held a concert in Antarctica.
Eamon de Valera publicly repudiated the Anglo-Irish Treaty.