Siege of Aleppo
1124 CE.
Shown on the map at 36.200°, 37.150°.
The siege of Aleppo by Baldwin II of Jerusalem and his allies lasted from 6 October 1124 to 25 January 1125. It ended in a Crusader withdrawal following the arrival of a relief force led by Aqsunqur al-Bursuqi.
Text from the Wikipedia article Siege of Aleppo (1124–1125), licensed CC BY-SA 4.0.