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
Leonardo da Vinci could write with one hand and draw with the other at the same time.
56
The World Trade Center towers used to have two zip codes, 10047-10048, one for each building.
77
There’s a Swedish power metal band called “Sabaton” who teach history through their music, including an album devoted to teaching about World War Two.
30
Clocks made before 1660 had only one hand - an hour hand.
41
In 1537, England's King Henry VII officially declared February 14th the holiday of St. Valentine's Day.
52