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 1982, a high school student from Los Angeles, California unscrambled the Rubik's Cube in 22.95 seconds.
60
Early American humans hunted car-size armadillos and used their shells for houses.
12
The Titanic was the first ship to use the SOS signal.
149
The first coast-to-coast telephone line was established in 1914.
33
Genghis Khan exempted the poor and clergy from taxes, encouraged literacy, and established free religion, leading many peoples to join his empire before they were even conquered.
28
The original Cinderella was Egyptian and wore fur slippers.
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