The Taj Mahal took 20 years and 20 thousand men to finish!
83
No one knows who designed the first American Flag.
45
Traces of cocaine were found on 99% of UK bank notes in a survey in London in 2000.
142
The flushing toilet was invented in 1596, not by Thomas Crapper as most people think, but by Sir John Harington.
98
Approximately 40% of the U.S. paper currency in circulation was counterfeit by the end of the Civil War.
47
To take an oath, ancient Romans put a hand on their testicles
426
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