jan 1, 632 - Schism in Islam (d)

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sunnis thought the elders should choose a successor for Muhammad, Shias thought someone in Muhammad's family should be his successor.

https://www.history.com/news/sunni-shia-divide-islam-muslim#:~:text=The%20split%20between%20the%20two%20main%20sects%20within,between%20the%20two%20goes%20back%20some%2014%20centuries.

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