Abbasid–Carolingian alliance

There was an Abbasid–Carolingian alliance during the 8th and 9th centuries, effected through a series of embassies, rapprochements and combined military operations between the Frankish Carolingian Empire and the Abbasid Caliphate. The alliance is likely to have formed first between Pepin the Short and al-Mansur, and later to have continued under Charlemagne and Harun al-Rashid.

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