Imam Hasan

Al-Hasan ibn Ali (625–670 CE) was the eldest grandson of Prophet Muhammad, son of Ali and Fatimah, and briefly caliph after his father's assassination in 661 CE. His negotiated settlement with Muawiyah, which ended the first Islamic civil war, was among the era's most consequential acts.

Founder and first caliph of the Umayyad Caliphate (602-680 CE), who served as governor of Syria for twenty years before establishing the first hereditary Islamic dynasty.