Contrary to popular belief, the first ironclad warships were built by Korea in the 16th century.
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Cleopatra married two of her brothers.
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Modern humans first appeared about 200,000 years ago, but record keeping didn't begin until about 6,000 years ago. That means about 97% of human history is lost.
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Jericho is the oldest walled city in the world at 9,000 yrs old!
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There's a bar in Ireland (presently named Sean’s Bar) that was opened in 900AD.
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India invented the Number System. Zero was invented by Aryabhatta.
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Clocks made before 1660 had only one hand - an hour hand.
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In 1982, a high school student from Los Angeles, California unscrambled the Rubik's Cube in 22.95 seconds.
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