The Egyptians believed that the heart, not the brain, was the source of human wisdom, memory, emotions, the soul and the personality itself. In fact, the brain was discarded during the mummification process

In 1958, a nuclear bomb was lost during an aircraft collision during exercise near Savannah, GA. It's whereabouts remain unknown to this day

The Aztecs sacrificed 250,000 people a year, about 1% of their population

George Washington famously declared before his death that he "would never set foot on English soil again". When a statue of him was erected in London, US soil was put under that statue to hone that request

At the height of its power, the Roman Empire comprised about twelve percent of the world's population