In 1897, Bayer, who is the maker of Aspirin, marketed the drug heroin.
56
In 1799, a boy found a 17lb. rock in a creek in North Carolina and used it as a doorstop. It was actually gold.
34
Contrary to popular belief, the first ironclad warships were built by Korea in the 16th century.
14
There is a 600 year old 240 paged book called the Voynich Manuscript, that’s written language is still completely unknown today.
15
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
In 1518, a "dancing plague" struck Strasbourg, Alsace, whereby hundreds of people danced fervently in the streets over the period of a month. Some suffered heart attacks or strokes, and many others died from sheer exhaustion. It remains unexplained.
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