There's no evidence that pirates made people walk the plank.
151
Contrary to popular belief, the first ironclad warships were built by Korea in the 16th century.
14
The universally popular Hershey bar was used overseas during World War II as currency.
112
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 World Trade Center towers used to have two zip codes, 10047-10048, one for each building.
77
In the great fire of London, in 1666, half of London was burnt down but only 6 people were injured.
78
The average life span of a peasant during the medieval ages was 25 years.
68