| The first decades of Islam were characterized by a rapid territorial expansion accompanied by conflicts over leadership following the death of the Prophet Muhammad. Despite opposition from the supporters of Ali ibn Abi Talib, Muawiya Ibn Abi Sufyan would become Caliph and establish a dynasty for his clan: the Banu Umayyah.

The next centuries of Islamic history would be defined by the imperial Caliphates of the Umayyads and Abbasids, who controlled empires stretching from the Atlantic Ocean to India. This episode of The Making of the Islamic World focuses on the creation of these Islamic empires, their institutional legacy, and the intellectual life of the Abbasid Caliphate during its height. We conclude with the Abbasid luminary al-Jahiz and what his writings tell us about the changing social fabric of the Abbasid world during the 9th century.