During the Gold Rush in 1849, some people paid as much as $100 for a glass of water!
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Nazi leader Adolf Hitler had only one testicle.
117
Pierre Jaquet-Droz, a watchmaker, 240 years ago invented a robot that could write, and the parts could be interchanged to say whatever you want.
13
The first ever patent in the UK was Aaron Rathbone & Roger Burges, Map makers in 1618!
15
The last time American Green cards were actually green was 1964.
60
The Titanic is about as long as the Empire State building is tall.
174
Genghis Khan exempted the poor and clergy from taxes, encouraged literacy, and established free religion, leading many peoples to join his empire before they were even conquered.
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