In 1982, a high school student from Los Angeles, California unscrambled the Rubik's Cube in 22.95 seconds.
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The flushing toilet was invented in 1596, not by Thomas Crapper as most people think, but by Sir John Harington.
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Clocks made before 1660 had only one hand - an hour hand.
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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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Kung Fu actually originated in India, but was developed further in China.
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In 1918, after the treaty of Versailles (end of WWI), the French Commander-in-chief said "This is not a peace. It is an Armistice for 20 years." 20 years and 65 days later, WWII happened.
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The first semi-permanent settlements appeared in Florida around 5000 B.C.
10