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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In 1537, England's King Henry VII officially declared February 14th the holiday of St. Valentine's Day.
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Cleopatra married two of her brothers.
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Leonardo Da Vinci made a robotic lion in 1515 that would walk, sway, open its mouth and move its tail - it even had a compartment that opened to present flowers.
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At age 18, the Queen of England was a mechanic for the British Military.
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Pierre Jaquet-Droz, a watchmaker, 240 years ago invented a robot that could write, and the parts could be interchanged to say whatever you want.
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The great wall of China is 1,400 miles long!
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