930 years ago today, on November 18, 1095 (October 19, 1095 lunar calendar), the Council of Clemans was held, and the Pope launched a crusade. The Council of Clemans was held on November 18, 1095. On that day, Pope Urban II held a synod in the French city of Clemans, calling on Christians in Europe to launch a "holy war" to save the Holy Land and take back the Holy Land from Islam. Subsequently, the Christian countries of Western Europe began to form crusades and began eight crusades that lasted for more than 100 years. Comments: The Hundred Years of Catastrophe in Jerusalem Began