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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Grenades were invented in China over 1,000 years ago.
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February 1865 is the only month in recorded history to not have a full moon.
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Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
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In 1700s, the deer skin was a common medium of exchange between the trading settlers and the native Red Indians in America. This is how a buck became a slang for a dollar.
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The Canadian province of New Brunswick (which was part of the UK at the time) had a bloodless war with the US state of Maine in 1839
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