Early Romans used to use porcupine quills as toothpicks.
27
Leonardo Da Vinci predicted the mass use of solar energy as long ago as 1447.
153
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
Napoleon Bonaparte thought torture should be abolished because the information obtained from it is worthless.
25
The Taj Mahal took 20 years and 20 thousand men to finish!
83
In 1897, Bayer, who is the maker of Aspirin, marketed the drug heroin.
56