The death of Muhammad and the problem of the succession; the parties; families of Hashimids, Umayyads and Abbasids; election of Abu Bakr; nomination of Umar; his constitution; election of Uthman; Umayyads in power; murder of Uthman; origin of Shi‘ites; election of Ali; civil war; Mu‘awiya first Umayyad; origin of Kharijites; their revolts; Ibadites; development of Shi‘ites; al-Husayn at Karbala; different Shi‘ite constitutional theories; doctrine of the hidden Imam; revolts against Umayyads…