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 oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
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The Aztecs were the first to serve chocolate as a drink. They also mixed it with hot chili pepper to make it really 'hot'.
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Leonardo Da Vinci predicted the mass use of solar energy as long ago as 1447.
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There's a bar in Ireland (presently named Sean’s Bar) that was opened in 900AD.
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