Clocks made before 1660 had only one hand - an hour hand.
41
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
During World War 1, Harry Houdini took 1 year off performing to help sell war bonds and teach american soldiers how to escape from German handcuffs.
34
In Ancient Egypt, some people paid their taxes in honey.
152
Henry Ford was Charles Lindbergh's first passenger in the Spirit of St. Louis.
37
Leonardo Da Vinci made a robotic lion in 1515 that would walk, sway, open its mouth and move its tail - it even had a compartment that opened to present flowers.
22