The Crusades were wars between Christians and Muslims, fought in Palestine. In 1071, Turkish Muslims captured Jerusalem. The Muslims stopped the Christians from visiting the holy places in Palestine. Naturally, Christian rulers in Europe were very angry about this.
<Tab/>The Byzantine emperor in Constantinople asked the Pope to help him drive the Turks from the Holy Land. Peter the Hermit and the Pope started the first Crusade. Pope Urban II said that he would forgive the sins of all people who went and fought in the Holy Land. …
