Video - From Genghis Khan to the Z3: Five Fascinating Historical Facts You Didn't Know

"Genghis Khan’s empire was the largest contiguous empire in history. It covered approximately 12 million square miles at its peak, stretching from Asia to Europe." "In 1582, Pope Gregory XIII introduced the Gregorian calendar, which skipped 10 days to realign the calendar with the seasons. Many countries gradually adopted this calendar, which is now the most widely used worldwide." "The Great Fire of London in 1666 destroyed much of the city, but it also effectively ended the plague by killing off the rats and fleas that carried the disease. The fire cleared the way for modern rebuilding efforts." "The Statue of Liberty was originally intended for Egypt. Frédéric Auguste Bartholdi designed the statue as a lighthouse for the Suez Canal before being repurposed as a gift to the United States." "The first programmable computer, the Z3, was created by German engineer Konrad Zuse in 1941. This early computer laid the foundation for the development of modern computing technology."