/cont'd...
Islam - The Qu�uran does not mention Jerusalem, but the hadith specify that it was from Jerusalem that Muhammad ascended to heaven in the Night Journey. The city was one of the Arab Caliphate's first conquests in 638 AD; according to Arab historians of the time, the Caliph Umar ibn al-Khattab personally went to the city to receive its submission, cleaning out and praying at the Temple Mount in the process. Sixty years later the Dome of the Rock was built, a structure enshrining a stone from which Muhammad is said to have ascended to heaven during the Isra.
The early Arab period was one of religious tolerance. However, in the early 11th century, the Egyptian Fatimid ordered the destruction of all churches and synagogues in Jerusalem, a policy reversed by his successors. The Church of the Holy Sepulchre, revered by most Christians as the site of Christ's crucifixion and burial, was among the places of worship destroyed. Reports of this and the killing of Christian pilgrims were one cause of the First Crusade, which marched off from Europe to the area, and, on July 15, 1099, Christian soldiers took Jerusalem after a difficult one month siege. The Jews were among the most vigorous defenders of Jerusalem against the Crusaders. When the city fell, the Crusaders gathered the Jews in a synagogue and burned them.
There is a whole lot more history from the middle ages to present day, but that forms the basis for the historical, religious and territorial contention of the Levant.