"A veritable beacon to our art"
Michelangelo's paintings on the ceiling of the Sistine Chapel were shown to the public for the first time.
Earthquake, fires, and tsunami leveled Lisbon and claimed 70,000 lives.
The Stamp Act, the first direct tax on the American colonies, went into effect.
The U.S. Weather Bureau made its first meteorological observations.
Benito Mussolini described the new alliance between Nazi Germany and Italy as an "axis" running between Berlin and Rome.
The United States exploded the first hydrogen bomb in a test in the Marshall Islands.
The Maastricht Treaty was enacted, establishing the European Union.
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