On so-called "Black Monday" in 1360, a hail storm kills an estimated 1,000 English soldiers in Chartres, France. The storm and the devastation it caused also played a part in the Hundred Years' War between England and France. The Hundred Years' War began in 1337; by 1359, King Edward III of England was actively attempting to conquer France. In October, he took a massive force across the English Channel to Calais. The French refuse...