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
The Taj Mahal took 20 years and 20 thousand men to finish!
83
Mahatma Gandhi used to travel with his goat so that he could have fresh milk.
11
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
A baboon called Jackie became a private in the South African army in World War I.
65
In 1980, the city of Detroit presented Saddam Hussein with a key to the city.
29
In 1918, after the treaty of Versailles (end of WWI), the French Commander-in-chief said "This is not a peace. It is an Armistice for 20 years." 20 years and 65 days later, WWII happened.
31
Tickling was a form of torture used in ancient China on nobility because it left no mark and recovery was quick.
33