February 1865 is the only month in recorded history to not have a full moon.
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Each king in a deck of playing cards represents a great king from history: spades - King David, clubs - Alexander the Great, hearts - Charlemagne, and diamonds - Julius Caesar.
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High Heels were originally made for men in the 16th century.
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The Grateful Dead were once called 'The Warlocks'.
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The University of Oxford (teaching since 1096) predates the Aztec empire (1428 - 1521).
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During the Cold War, the US had planned to detonate a nuclear weapon on the moon.
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