In 1958, a nuclear bomb was lost somewhere along the swampy coast of Georgia. Its whereabouts remain a mystery to this day.
29
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
If a surgeon in Ancient Egypt lost a patient while performing an operation, his hands were cut off.
67
Leonardo da Vinci was dyslexic, and he often wrote backwards.
77
The life expectancy in 1900 was just 47 years.
49
Modern humans first appeared about 200,000 years ago, but record keeping didn't begin until about 6,000 years ago. That means about 97% of human history is lost.
21


