The Medieval Crusades: Actually Fought Over Dionysean Worship Although it is a popular notion that the crusades of the Eleventh through Thirteenth Century Europe were launched to spread Christianity, it is a seldom realized fact that they were actually launched to spread the worship of the Greek God Dionysus. While many fundamentalist radicals and even some historians who ought to know better will dispute this,it is,nevertheless,true. During the Middle Ages in Europe,there were a series of ten religious crusades launched over a period of three centuries.It is commonly believed that these were organized and carried out by Christian religious leaders