Leonardo Da Vinci predicted the mass use of solar energy as long ago as 1447.
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The first chocolate eggs were made in Germany in the 19th century and remain one of the most popular Easter candies today.
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During World War 1, starving wolves amassed in such great numbers that Germans and Russians had a temporary cease fire to fight off the wolf attacks.
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A singing birthday card has more computing power than the allied forces in 1945.
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Approximately 40% of the U.S. paper currency in circulation was counterfeit by the end of the Civil War.
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London's Pall Mall became the first street lit by gaslight in 1807!
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