The Crusades, a series of religious wars instigated by the Church against the Muslims and other groups in the Holy Land, began in 1092 and continued until the end of the 13th century. Despite the focus on regaining the Holy Land from Muslim control, the Crusaders also massacred Jews and sacked the Christian city of Constantinople. | The Crusades, a series of religious wars instigated by the Church against the Muslims and other groups in the Holy Land, began in 1092 and continued until the end of the 13th century. Despite the focus on regaining the Holy Land from Muslim control, the Crusaders also massacred Jews and sacked the Christian city of Constantinople. |