Cairo is the largest city in the Arab world — and it was founded as a caliph’s victory monument. The Fatimids, an Ismaili dynasty claiming descent from the Prophet’s daughter Fatima, ruled North Africa and the Levant for two and a half centuries, built one of Islam’s great capitals, and founded a university that has never closed its doors since.
al-Mahdiya al-Qahira (Cairo) ★ Sicily the Levant Hijaz Greatest extent — stylized map 909 Caliphate rises 969 Cairo founded 970 Al-Azhar founded 1099 Crusaders take the Levant 1171 The end: Saladin Rise · zenith · fall The rise The Fatimid story begins not with an army but with a mission. Ismaili preachers — followers of a branch of Shiism tracing the imamate through Ismail — spent decades converting Berber tribes in what is now Tunisia and Algeria. In 909 their work bore fruit: the tribes rose, the local rulers fell, and Abdallah al-Mahdi was proclaimed caliph at al-Mahdiya, a new fortress-city on the Tunisian coast. A caliphate born of preaching, then secured by the sword.
