Johann Georg Palitzsch sighted the return of Halley’s Comet.
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The show trial of Romanian Communist dictator Nicolae Ceaușescu occurred.
The James Webb Space Telescope was launched from the Guiana Space Center.
The Santa Maria sunk.
William the Conqueror was crowned king of England at Westminster Abbey, London.
Mikhail Gorbachev resigned from his position as Prime Minister of the Soviet Union.
