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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'⸮' is a punctuation mark that was first proposed in the 1580s to denote sarcasm or irony.
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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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In 1949, an official boxing match between a bear and a man was held. The bear won.
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Rio de Janeiro was once capital of Portugal, making it the only European capital outside of Europe.
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