What would have happened to Western Europe if the Mongol armies that devastated Eastern Europe had continued their campaign as planned? Who can doubt that terror and destruction would have engulfed the West, if the sudden death of Ogotai Kha-Khan had not prevented the advance of the invincible hordes? In 1241 the Mongol armies were without peer and undefeated anywhere. Their leader was Subotai, one of the great generals of all time, the victorious...