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 1897, Bayer, who is the maker of Aspirin, marketed the drug heroin.
56
There are 92 known cases of nuclear bombs lost at sea.
148
Until President Kennedy was killed, it wasn't a federal crime to assassinate the President.
341
In 1958, a nuclear bomb was lost somewhere along the swampy coast of Georgia. Its whereabouts remain a mystery to this day.
29
The life expectancy in 1900 was just 47 years.
49
There are pictures of Knights fighting Snails in old Medieval manuscripts - and nobody knows why.
23