The crusades was a major event in history because it was a battle between muslims and christians. The crusades were a series of holy wars called by popes. Both of the different religions fought for the holy lands. There was many reasons they fought in the crusades it was probably for wealth, or forgiveness of all sins.The crusade started around 1095 when pope urban the 2 calls for a crusade to free the holy lands. Since the crusade was a war between religion, it had a negative effect for these reasons. One reason why the crusade was negative is because people thought that in the name of their religion, their god was telling them to join the crusade and you will have a pass to heaven. Since both religions wanted the same thing
