In 1537, England's King Henry VII officially declared February 14th the holiday of St. Valentine's Day.
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The oldest glowing lightbulb was first switched on in 1901 and lives in fire stations in Livermore, CA. It is known as the Centennial Light.
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The time interval from first sighting of the iceberg that sank the Titanic to impact was a little over 30 seconds.
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Leonardo da Vinci was dyslexic, and he often wrote backwards.
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France’s King Louis XIV was offered biological weapons by an Italian chemist. He not only refused, but also paid the chemist an annual salary to never reveal the technology to anyone else.
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Early Romans used to use porcupine quills as toothpicks.
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To take an oath, ancient Romans put a hand on their testicles
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