Leonardo Da Vinci predicted the mass use of solar energy as long ago as 1447.
153
Cleopatra wasn't Egyptian; she was Greek.
107
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
During the Black Plague, it was thought that bad smells were the cause of the plague. "Plague Doctors" therefore wore masks with long beak-like noses stuffed with flowers or smoke to hide the smells.
19
Leonardo da Vinci could write with one hand and draw with the other at the same time.
56
In 1980, the city of Detroit presented Saddam Hussein with a key to the city.
29
The time interval from first sighting of the iceberg that sank the Titanic to impact was a little over 30 seconds.
105