Marwan II

Marwan ibn Muhammad ibn Marwan, commonly known as Marwan II and surnamed al-Himar, was the fourteenth and last caliph of the Umayyad Caliphate, ruling from 744 until his death. His reign was dominated by a civil war, and he was the last Umayyad ruler to rule the united Caliphate before the Abbasid Revolution toppled the Umayyad dynasty.