Siege of Aleppo
1260 CE.
Shown on the map at 36.198°, 37.163°.
The siege of Aleppo was a major military engagement during the Mongol invasions of the Levant, lasting from 18 January to 24 January 1260. The Mongol army under Hulagu Khan, supported by forces from the Armenian Kingdom of Cilicia and the Principality of Antioch, besieged the Ayyubid-held city after crossing the Euphrates and capturing nearby settlements.
Text from the Wikipedia article Siege of Aleppo (1260), licensed CC BY-SA 4.0.