Modern humans first appeared about 200,000 years ago, but record keeping didn't begin until about 6,000 years ago. That means about 97% of human history is lost.
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It has been calculated that every 2 minutes, we take more pictures than all of humanity in the 19th century.
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During the Black Plague, it was thought that bad smells were the cause of the plague. "Plague Doctors" therefore wore masks with long beak-like noses stuffed with flowers or smoke to hide the smells.
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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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20 years ago, there were only 130 websites, Google wasn't around, and you had to pay for an email account through an ISP.
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