The Titanic was the first ship to use the SOS signal.
149
In 1980, the city of Detroit presented Saddam Hussein with a key to the city.
29
No one knows who designed the first American Flag.
45
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
Jericho is the oldest walled city in the world at 9,000 yrs old!
55
Leonardo da Vinci was dyslexic, and he often wrote backwards.
77
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79