Ali ibn Abi Talib

600 – 661

Served as fourth caliph and became the central line of authority in Shi'a Islam; conflicts around his rule permanently shaped Muslim politics and theology.

• c. 600–661

  Served as fourth caliph and became the central line of authority in Shi'a Islam; conflicts around his rule permanently shaped Muslim politics and theology

  Served as fourth caliph and became the central line of authority in Shi'a Islam; conflicts around his rule permanently shaped Muslim politics and theology.