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 man named Heraclitus had an illness that made his body swell up with water. To try to sweat it off, he buried himself in a steaming pile of animal poo, but then overheated and died of dehydration.
18
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
In 1537, England's King Henry VII officially declared February 14th the holiday of St. Valentine's Day.
52
In 1999, a fisherman found a love letter in a bottle from a soldier in WWI. He returned said letter to the now deceased widows 86 year old daughter.
27
Rio de Janeiro was once capital of Portugal, making it the only European capital outside of Europe.
9
Al Capone's armored limousine, after being seized by the feds, was later used to protect Franklin Delano Roosevelt (FDR), 32nd President of the US, after the attack on Pearl Harbor.
20