The life expectancy in 1900 was just 47 years.
49
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
In 2011, a couple bought a box of textbooks for $10. Inside, they found a 25-cent bill signed by the president of the Republic of Texas, Sam Houston, and subsequently sold it for $63,250.
13
There's a bar in Ireland (presently named Sean’s Bar) that was opened in 900AD.
32
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