639 A Muslim army captures Jerusalem.
1009 Caliph al-Hakim orders Jerusalem’s Church of the Holy Sepulchre to be destroyed.
1071 Seljuk Turks defeat and capture Byzantine emperor, Romanus Diogenes.
1095 Byzantine emperor Alexios sends to pope for help.
1120 The Order of the Knights Templar is founded.
1145 The Second Crusade is launched.
1187 Muslim leader Saladin captures Jerusalem, and the Third Crusade is launched.
1198 Baltic Crusade begins.
1291 Muslim forces complete the reconquest of Palestine and Syria.
On July 15, 1099, some 15,000 Christian knights surged into Jerusalem after a month-long siege. The victorious ...