Romans used a plant called Silphium as contraception. They had so much sex that they drove it into extinction.
24
During the Cold War, the US had planned to detonate a nuclear weapon on the moon.
25
A B-25 bomber airplane crashed into the 79th floor of the Empire State Building on July 28, 1945.
30
Harry S. Truman was the last U.S. President with no college degree.
55
High Heels were originally made for men in the 16th century.
78
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