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
A singing birthday card has more computing power than the allied forces in 1945.
30
Napoleon constructed his battle plans in a sandbox.
573
Contrary to popular belief, the first ironclad warships were built by Korea in the 16th century.
14
English sailors were referred to as "limeys" because sailors added lime juice to their diet to combat scurvy.
69
High Heels were originally made for men in the 16th century.
78
In Ancient Egypt, some people paid their taxes in honey.
152