Rubuta ci gaba ga wannan sakin layi - Bambanci na asali tsakanin Sunni da Shi'a shine wanda ainihin magajin farko na Muhammadu yake. 'Yan Shi'a sun yi imanin Ali ibn Abi Talib shi ne magajin gaskiya ga Muhammadu, yayin da 'yan Sunni suka dauki Abu Bakr ya rike wannan matsayin. Khawarij sun rabu da duka Shi'a da Sunni a lokacin Fitna ta farko
(farkon yakin basasa na Islama) kuma daga baya ya yi adawa da Shi'a da Sunni, sau da yawa cikin tashin hankali.