Hasan ibn Ali: Timeline

625   Born

661   Caliph Ali ibn Abi Talib is assassinated. He is succeeded by Hasan ibn Ali as the Shia Imam and Muawiyah I Muawiyah I

Muawiyah I, Mu?awiyya ibn Abi-Sufyan(602 [i] - May 6 [i], 680 [i]) was the founder of the Umayyad [i] ... 

 as the Sunni Caliph Caliph

Caliph is the title for the Islamic leader of the Ummah [i], or community of Islam [i]. ... 

.

669   Died