The great wall of China is 1,400 miles long!
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Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
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In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
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Ancient Romans at one time used human urine as an ingredient in their toothpaste.
37
February 1865 is the only month in recorded history to not have a full moon.
83
In 1999, Pepsi, Inc. paid $0.00 in income tax!
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