Until President Kennedy was killed, it wasn't a federal crime to assassinate the President.
341
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
A monk had once written over a book that contained information about calculus that was written by Archimedes in ancient Greece that could have made us 100 or even 1000 years more mathematically and technologically advanced.
13
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 first telephone book was one page long and had only 50 names in it.
91
Although Nostradamus died in the middle of 1566, his 1567 almanac was published because he had the foresight to prepare it before his death.
19
A singing birthday card has more computing power than the allied forces in 1945.
30
Napoleon Bonaparte thought torture should be abolished because the information obtained from it is worthless.
25