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Sunni and Shia Split Timeline
(632 CE - Present)The Sunni and Shia split is one of the most significant divisions in Islam, originating from a dispute over who should succeed Prophet Muhammad after his death in 632 CE. Sunnis believed leadership should pass to the community's chosen caliph, while Shias held that Ali, Muhammad's cousin and son-in-law, and his descendants were the rightful leaders. This theological and political disagreement shaped centuries of Islamic history, culture, and geopolitics. More Less
Origins of the Split
Fatimah's dispute over Fadak and her death
632
Fatimah, daughter of Muhammad and wife of Ali, disputed the caliphate's seizure of the estate of Fadak, which she claimed was her inheritance. Her death later in 632, following a reported confrontation, deepened resentment among Ali's supporters.
Image source: Fadak
Death of Prophet Muhammad
Jun 8, 632
The death of Prophet Muhammad in Medina in 632 CE created a crisis of succession. Without a designated heir, the Muslim community faced the question of who should lead, setting the stage for the division between those who supported Abu Bakr and those who believed Ali ibn Abi Talib was the rightful successor.
Image source: Muhammad
Early Islamic History
Caliphate of Umar ibn al-Khattab
634 - 644
Umar became the second caliph after Abu Bakr's death, dramatically expanding the Islamic empire. His decade-long rule saw further marginalization of Ali's faction, though Ali later served as an advisor to Umar.
Image source: Umar
Uthman becomes third caliph
644
The shura council chose Uthman ibn Affan as the third caliph. His reign was marked by accusations of nepotism favoring his Umayyad relatives, fueling growing discontent that would eventually erupt into open rebellion.
Image source: Uthman
Standardization of the Quran under Uthman
650
Uthman commissioned a standardized version of the Quran to unify the rapidly expanding empire's recitations. This codex remains central to both Sunni and Shia traditions, though Shia views on its compilation differ in emphasis.
First Fitna (First Islamic Civil War)
656 - 661
The First Fitna erupted over Uthman's assassination and Ali's contested authority. Ali faced opposition from Aisha at the Battle of the Camel and from Mu'awiya, governor of Syria, fragmenting the Muslim community into rival camps.
Image source: First Fitna
Ali ibn Abi Talib becomes fourth caliph
656
Ali, cousin and son-in-law of Muhammad, was finally proclaimed caliph in Medina. Shias regard this as the restoration of rightful leadership, while Sunnis count him as the last of the Rashidun (rightly guided) caliphs.
Image source: Ali
Emergence of the Kharijites
658
Followers of Ali who rejected the arbitration with Mu'awiya broke away to form the Kharijite movement, declaring both Ali and Mu'awiya illegitimate. They became a third sect alongside the proto-Sunni and proto-Shia factions.
Medieval Dynasties
Mu'awiya establishes the Umayyad Caliphate
661
Mu'awiya founded the Umayyad dynasty, moving the capital to Damascus and establishing hereditary rule. Sunni Muslims largely accept Umayyad legitimacy, while Shias viewed the dynasty as usurpers of Ali's rights.
Image source: Umayyad Caliphate
Hasan ibn Ali briefly holds caliphate then abdicates
661
After Ali's death, Hasan was acclaimed caliph in Kufa but abdicated within months in a peace treaty with Mu'awiya to avoid further bloodshed. Shias revere him as their second Imam; Sunnis view his concession pragmatically.
Image source: Hasan ibn Ali
Key Facts
- The split began in 632 CE over the question of succession after Prophet Muhammad's death, not over core religious doctrine.
- Sunnis supported Abu Bakr as the first caliph, while Shias believed Ali ibn Abi Talib, Muhammad's cousin and son-in-law, was the legitimate successor.
- The Battle of Karbala in 680 CE, where Husayn (Ali's son) was killed by Umayyad forces, became a defining event for Shia identity and is commemorated annually during Ashura.
- Today, roughly 85-90% of Muslims worldwide are Sunni, while about 10-15% are Shia, with large Shia populations in Iran, Iraq, Bahrain, Azerbaijan, and Lebanon.
- Sunni and Shia Muslims share fundamental beliefs such as the Quran's authority and the Five Pillars of Islam, but differ on issues of religious leadership, imamate, and certain practices.
Source
This Sunni and Shia Split timeline was generated with the help of AI, using information found on the internet.
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