Caliphate
Largely due to the fact that they were not elected via Shura, the Umayyad dynasty was not universally supported within the Muslim community. Some supported prominent early Muslims like Al-Zubayr; others felt that only members of Muhammad's clan, the Banu Hashim, or his own lineage, the descendants of Ali, should rule. There were numerous rebellions against the Umayyads, as well as splits within the Umayyad ranks (notably, the rivalry between Yaman and Qays). Eventually, supporters of the Banu Hisham and the supporters of the lineage of Ali united to bring down the Umayyads in 750.  However, the , "the Party of Ali", were again disappointed when the Abbasid dynasty took power, as the Abbasids were descended from Muhammad's uncle, `Abbas ibn `Abd al-Muttalib and not from Ali. Following this disappointment, the  finally split from the majority Sunni Muslims and formed what are today the several  denominations.