In the great fire of London, in 1666, half of London was burnt down but only 6 people were injured.
78
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
In 1518, a "dancing plague" struck Strasbourg, Alsace, whereby hundreds of people danced fervently in the streets over the period of a month. Some suffered heart attacks or strokes, and many others died from sheer exhaustion. It remains unexplained.
19
The average life span of a peasant during the medieval ages was 25 years.
68
Leonardo Da Vinci predicted the mass use of solar energy as long ago as 1447.
153
Two dogs were among the Titanic survivors.
262
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