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| Conflict | Byzantine-Seljuk wars | ||||||||||||||||
| Date | September 17, 1176 | ||||||||||||||||
| Place | Near Ankara, Turkey | ||||||||||||||||
| Result | Seljuk victory | ||||||||||||||||
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The Battle of Myriokephalon, also known as Myriocephalum, was a battle between the Byzantine Empire and the Seljuk Turks in Phrygia on September 17, 1176.
Manuel gathered an army, supposedly so large that it spread across ten miles, and marched towards the border with the Seljuks. Arslan tried to negotiate but Manuel was convinced of his superiority and rejected a new peace. He sent part of the army under Andronicus Vatatzes towards Amasia while his larger force marched towards the Seljuk capital at Iconium. Both routes lay on a heavily wooded route, where the Turks could easily hide and set up ambushes; the army moving towards Amasia was destroyed in one such ambush, and Turkish envoys brought Manuel Andronicus' head.
The Turks also destroyed crops and poisoned water supplies to make Manuel's march more difficult. Arslan harassed the Byzantine army in order to force it into the Meander valley, and specifically the mountain pass near the fortress of Myriokephalon. There, Manuel decided to attack, despite the danger from further ambushes, and also despite the fact that he could have attempted to bring the Turks out of their positions to fight them on the nearby plain of Philomelion.