Video - Fascinating Historical Facts You Didn't Know!

Did you know that the oldest human footprint ever found is 350,000 years old? When homosexuality was classified as an illness in Sweden, Swedes protested by calling in sick to work, claiming they felt gay. Powdered wigs were invented to cover up head sores caused by syphilis. The word avocado comes from the Aztec word ahuakatl, which also means testicle. There was a mosaic uncovered in Pompeii that served as a doormat, with letters below it that read Cave Canem in Latin, which translates as Beware of the Dog. The Silk Road was so safe during the Mongol Empire reign that a maiden laden with gold could travel it and go unharmed.