The Taj Mahal took 20 years and 20 thousand men to finish!
83
There is a 600 year old 240 paged book called the Voynich Manuscript, that’s written language is still completely unknown today.
15
The first Ford cars had Dodge engines.
58
The universally popular Hershey bar was used overseas during World War II as currency.
112
France’s King Louis XIV was offered biological weapons by an Italian chemist. He not only refused, but also paid the chemist an annual salary to never reveal the technology to anyone else.
21
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
Leonardo da Vinci was dyslexic, and he often wrote backwards.
77