Key Facts
- Duration
- Late 1261 to July–August 1262
- Mongol force size
- ~10,000 soldiers
- Mamluk relief force
- 1,200–1,400 soldiers
- Battle of Sinjar
- 7 May 1262; Mamluk relief force defeated
- Fate of Al-Salih Isma'il
- Executed despite Mongol promises of clemency
Strategic Narrative Overview
A Mongol army under Samdaghu encircled Mosul in late 1261, erecting a wooden wall and subjecting the city to sustained bombardment. Despite the city's size and strong defenses, the garrison endured months of assault. A Mamluk relief column of roughly 1,200–1,400 men under Al-Barli approached but was neutralized when the Mongols intercepted a carrier pigeon bearing its plans; the relief force was defeated near Sinjar on 7 May 1262, leaving Mosul without hope of external rescue.
01 / The Origins
After Mosul's longtime ruler Badr al-Din Lu'lu' died in 1261, his son Al-Salih Isma'il repudiated Mongol suzerainty and allied with Mamluk Sultan Baybars. This defection directly threatened Ilkhanid authority in the region. While Isma'il visited Cairo, instability erupted at home, prompting a Mongol force to move against the city. His return to reassert control only delayed the larger confrontation, as the Ilkhanate mobilized a substantial army to enforce submission.
03 / The Outcome
Al-Salih Isma'il surrendered in summer 1262. Despite Mongol assurances of mercy, he and his three-year-old son were executed, the child's body reportedly displayed as a warning. Much of the population was massacred, though craftsmen were spared. The Mongols installed al-Ba'shiqi as governor—the first Christian to hold the post under their rule—and Samdaghu continued operations, taking Jazirat ibn Umar in 1263 and extinguishing the Lu'lu' dynasty's presence in northern Iraq.
Belligerents & Mobilization Analysis
Side A
1 belligerent
Samdaghu.
Side B
2 belligerents
Al-Salih Isma'il, Al-Barli.
Kinetic Engagement Axis
Scroll horizontally to view full axis. Events plotted relatively.