The Taj Mahal took 20 years and 20 thousand men to finish!
83
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
Genghis Khan exempted the poor and clergy from taxes, encouraged literacy, and established free religion, leading many peoples to join his empire before they were even conquered.
28
During the Cold War, the US had planned to detonate a nuclear weapon on the moon.
25
There's a bar in Ireland (presently named Sean’s Bar) that was opened in 900AD.
32
Early American humans hunted car-size armadillos and used their shells for houses.
12
Tablecloths were originally meant to serve as towels with which guests could wipe their hands and faces after dinner.
78
The flushing toilet was invented in 1596, not by Thomas Crapper as most people think, but by Sir John Harington.
98