The rarest motorcycle in the world was found behind a brick wall in Chicago and has engine technologies well ahead of its time. The “Traub” is still running to this day.
14
It has been calculated that every 2 minutes, we take more pictures than all of humanity in the 19th century.
13
Beethoven, was told by a music teacher that he had no talent for music. In fact, this teacher once remarked, “As a composer he is hopeless.”
184
There's a bar in Ireland (presently named Sean’s Bar) that was opened in 900AD.
32
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

