Ancient Romans at one time used human urine as an ingredient in their toothpaste.
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In 1963, the US Military created an artificial ring around Earth, similar to that of the planet Saturn. The ring was made of copper needles and was used for worldwide communications in the case that the Soviets disabled all other methods of communication.
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The flushing toilet was invented in 1596, not by Thomas Crapper as most people think, but by Sir John Harington.
98
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
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In Ancient Greece, if a woman watched even one Olympic event, she was executed.
40
Cleopatra wasn't Egyptian; she was Greek.
107
There is a 600 year old 240 paged book called the Voynich Manuscript, that’s written language is still completely unknown today.
15