Contrary to popular belief, the first ironclad warships were built by Korea in the 16th century.
14
In Ancient Egypt, some people paid their taxes in honey.
152
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
Early Romans used to use porcupine quills as toothpicks.
27
Early American humans hunted car-size armadillos and used their shells for houses.
12
The ancient Egyptians bought jewelry for their pet crocodiles.
82
To take an oath, ancient Romans put a hand on their testicles
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