The main goaf of the Crusades was recapturing Jerusalem which is the holy land of the Christians. Christians believe that the crucixion and resurrection of Jesus took place here. Thus Jerusalem is their most holy land. Jerusalem was once part of the Byzantine Empire. In 638, the Arabs captured it. But the Christians were given full protection by them.

There was no ban on visiting places including Jerusalem by Christian merchants, pilgrims, diplomats, and travellers. But in 1076, Seljuk Turks captured Jerusalem and from then they started persecuting the Christians there. This increased the enmity of Christians towards Muslims Many Normans, Hungarian, and Slavs became Christians around this time. Muslims Were the only rivals of Christians, The Peace of God movement in Europe also made the circumstances rife for the Crusades This Movement recognized and encouraged the fight against the enemies of the Christian God and nonbelievers in Christianity.