Siege of Edessa (1144)
| Siege of Edessa | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Part of the Crusades | |||||||||
 Urfa Castle | |||||||||
| |||||||||
| Belligerents | |||||||||
| County of Edessa | Zengids | ||||||||
| Commanders and leaders | |||||||||
|
Archbishop Hugh † Bishop Basil bar Shumna Bishop John | Imad al-Din Zengi | ||||||||
| Casualties and losses | |||||||||
| 5,000–6,000 civilians killed | Unknown | ||||||||
The siege of Edessa took place from 28 November to 24 December 1144, resulting in the fall of the capital of the County of Edessa to Imad al-Din Zengi, the atabeg of Mosul and Aleppo. This event was the catalyst for the Second Crusade.