Tickling was a form of torture used in ancient China on nobility because it left no mark and recovery was quick.
33
The life expectancy in 1900 was just 47 years.
49
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
Leonardo Da Vinci predicted the mass use of solar energy as long ago as 1447.
153
France’s King Louis XIV was offered biological weapons by an Italian chemist. He not only refused, but also paid the chemist an annual salary to never reveal the technology to anyone else.
21
In ancient Rome it was considered a sign of leadership to be born with a crooked nose!
55