In 1897, Bayer, who is the maker of Aspirin, marketed the drug heroin.
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Leonardo Da Vinci made a robotic lion in 1515 that would walk, sway, open its mouth and move its tail - it even had a compartment that opened to present flowers.
22
The Taj Mahal took 20 years and 20 thousand men to finish!
83
In 1958, a nuclear bomb was lost somewhere along the swampy coast of Georgia. Its whereabouts remain a mystery to this day.
29
It is estimated that there is in excess of 3,000,000,000 bibles been sold throughout the world!
56
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
In 1980, the city of Detroit presented Saddam Hussein with a key to the city.
29