The first bomb dropped by the Allies on berlin in WW2 killed the only elephant in the Berlin Zoo.
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The Titanic was the first ship to use the SOS signal.
149
The great wall of China is 1,400 miles long!
44
After Germany surrendered in WW2, people in Moscow partied until the entire city actually ran out of vodka.
66
The exact cause of death and burial site of Genghis Khan is unknown, because all of the 2000 funeral guests and 800 soldiers were killed in order to preserve the secret.
16
In 1518, a "dancing plague" struck Strasbourg, Alsace, whereby hundreds of people danced fervently in the streets over the period of a month. Some suffered heart attacks or strokes, and many others died from sheer exhaustion. It remains unexplained.
19
Modern humans first appeared about 200,000 years ago, but record keeping didn't begin until about 6,000 years ago. That means about 97% of human history is lost.
21

