| Battle of Krasos | |||||||
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| Part of the Arab–Byzantine Wars | |||||||
 Anatolia and the Byzantine-Arab frontier ca. 780 AD | |||||||
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| Belligerents | |||||||
| Abbasid Caliphate | Byzantine Empire | ||||||
| Commanders and leaders | |||||||
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Harun al-Rashid Ibrahim ibn Jibril | Nikephoros I (WIA) | ||||||
The Battle of Krasos took place during the Arab–Byzantine Wars in August 804, between the Byzantines under Emperor Nikephoros I (r. 802–811) and an Abbasid army under Ibrahim ibn Jibril. Nikephoros' accession in 802 resulted in a resumption of warfare between Byzantium and the Abbasid Caliphate. In late summer 804, the Abbasids had invaded Byzantine Asia Minor for one of their customary raids, and Nikephoros set out to meet them. He was surprised, however, at Krasos and heavily defeated, barely escaping with his own life. A truce and prisoner exchange were afterwards arranged. Despite his defeat, and a massive Abbasid invasion the next year, Nikephoros persevered until troubles in the eastern provinces of the Caliphate forced the Abbasids to conclude a peace.