The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
Cleopatra married two of her brothers.
47
The life expectancy in 1900 was just 47 years.
49
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
Che Guevara suffered from asthma!
9
In 1963, the US Military created an artificial ring around Earth, similar to that of the planet Saturn. The ring was made of copper needles and was used for worldwide communications in the case that the Soviets disabled all other methods of communication.
26
The average life span of a peasant during the medieval ages was 25 years.
68
Scientists are excavating the ruins of a major civilization which pre-dates both the pyramids and Stonehenge by over 7,000 years. In 15 years, they have uncovered only about 5% of the site.
21