Ancient Romans at one time used human urine as an ingredient in their toothpaste.
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The flushing toilet was invented in 1596, not by Thomas Crapper as most people think, but by Sir John Harington.
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There's a bar in Ireland (presently named Sean’s Bar) that was opened in 900AD.
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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.
21
A female photographer in the 50s took tens of thousands of pictures and remained remained unknown until her death. She is now considered one of the most important street photographers ever.
20
The site where the Parthenon was built had to be cleared of hundreds of dinosaur bones (then called giants' bones) before construction could begin.
13
London's Pall Mall became the first street lit by gaslight in 1807!
39
The life expectancy in 1900 was just 47 years.
49