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| Caliphate of the Fatimids | |
|---|---|
| Name | Fatimid Caliphate |
| Native name | الدولة الفاطمية |
| Era | Islamic Golden Age |
| Government | Ismaili caliphate |
| Year start | 909 |
| Year end | 1171 |
| Capital | Mahdia; al-Mahdiyya; al-Qayrawān; al-Qāhira |
| Common languages | Arabic, Berber, Persian |
| Religion | Ismaili Shia Islam |
Caliphate of the Fatimids was an Ismaili Shia Islamic dynasty and state that ruled large parts of North Africa, the western Mediterranean, and the Levant from 909 to 1171, establishing a rival caliphal center to the Abbasids in Baghdad and the Umayyads in Cordoba. Founded by the mission of Abu Abdallah al-Shi'i and the proclamation of Ubayd Allah al-Mahdi Billah, it created a transregional polity centered on cities such as Mahdia, Kairouan, Cairo, and Alexandria while fostering networks connecting Ifriqiya, Sicily, and the Levant.
The Fatimid movement emerged from the Ismaili branch of Shiʿism developed after the succession disputes following the deaths of Imam Ja'far al-Sadiq and during the missionary activity of figures like Abu Abdallah al-Shi'i, Abu al-Shalaghlagh, and Hamdan Qarmat. Ismaili doctrine articulated claims linking the Fatimid line to Fatimah and Ali ibn Abi Talib through the alleged imam-caliph Muhammad ibn Isma'il and later imams including Ubayd Allah al-Mahdi Billah and Al-Qa'im bi-Amr Allah, combining esoteric exegesis found in ta'wil with propagated texts such as the works attributed to Hamid al-Din al-Kirmani, Abu Yaqub al-Sijistani, and Nasir Khusraw, while polemics engaged contemporaries like al-Tabari and al-Mas'udi.
Following the overthrow of the Aghlabids in 909, the Fatimid regime under Ubayd Allah al-Mahdi Billah consolidated control over Ifriqiya and established the port city of Mahdia before later moving the capital to Kairouan and subsequently founding Cairo under Al-Mu'izz li-Din Allah. Early expansion incorporated alliances and confrontations with entities such as the Berbers, Zirids, Umayyads of Córdoba, and the Byzantine Empire, while naval campaigns involved incursions in Sicily, skirmishes near Crete, and engagements with Pisan and Genoese maritime powers, shaping Mediterranean geopolitics through battles like those around Messina and sieges of coastal strongholds.
Fatimid rule instituted a bureaucratic state with offices and institutions drawing on precedents from Umayyad and Abbasid administrations, staffed by officials including viziers such as Jawhar al-Siqilli, Ja'far ibn Muhammad al-Kalbi, and later Badr al-Jamali and al-Afdal Shahanshah, while relying on chancery practices recorded by secretaries like Ibn Zulaq. The caliphs exercised combined religious and temporal authority embodied in figures such as Al-Aziz Billah and Al-Hakim bi-Amr Allah, overseeing judicial personnel like Qadis and fiscal agents managing land registers similar to the diwan systems referenced in contemporary chronicles by Ibn al-Qalanisi and Ibn Khaldun's precedents.
Fatimid prosperity rested on agrarian production in Ifriqiya and the Nile Delta, taxation systems tied to estates documented in waqf endowments such as those of Al-Hakim, and commerce routed through ports like Alexandria and Damietta, interacting with merchant networks of Venice, Pisa, Genoa, and Alexandrian Jewish and Christian communities. Urban transformation included the foundation of Cairo (al-Qāhira) and the construction of institutions like the Al-Azhar University mosque-madrasa complex, granaries and caravanserais facilitating caravans from Fez, Tunis, and the Maghreb, and artisanal production tied to workshops and markets chronicled by travelers such as Ibn Jubayr.
Fatimid caliphs promoted Ismaili rites and doctrine while often accommodating Sunni, Christian, and Jewish communities, engaging scholars like Al-Qadi al-Nu'man and poets such as Ibn Hani; they commissioned libraries, mosques, and monuments including Al-Azhar, the Mosque of al-Hakim, and palatial complexes recorded by al-Maqrizi and Ibn al-Husayn al-Maqrizi. Patronage fostered philosophers and scientists connected to circles including Ibn al-Haytham, Ibn al-Nafis, and al-Kindi's legacy, transmitted through translators and physicians like Hunayn ibn Ishaq and linked to manuscript production housed in repositories frequented by travelers such as Ibn Battuta and diplomats like Ebn al-Jawzi.
The Fatimid military comprised Berber tribal levies from Kutama and Sanhaja, professional troops including Black African contingents, and slave soldiers analogous to Mamluk models, led during campaigns by commanders such as Jawhar al-Siqilli and Badr al-Jamali. They faced protracted conflicts with the Byzantine Empire for control of Mediterranean islands, with the Seljuk Empire in the Levant, with the Zirids following their break, and at sea against Pisan and Genoese fleets; notable confrontations included operations in Sicily, sieges around Antioch, and naval actions impacting commerce near Tripoli and Tyre.
Internal factionalism, succession disputes exemplified under caliphs like Al-Hakim bi-Amr Allah and Al-Mustansir Billah, economic strain from provisioning standing armies, and the loss of provincial loyalty—most dramatically the realignment of the Zirids toward Sunni recognition and the secession of Ifriqiya—weakened Fatimid authority. External pressures from the Seljuks, the arrival of Nizam al-Mulk-aligned forces in the Levant, Crusader incursions during the First Crusade and subsequent Crusader States, and the rise of strong viziers such as Badr al-Jamali and his son al-Afdal Shahanshah culminated in the eventual takeover by Saladin and the abolition of the caliphal title in 1171, after which institutions and personnel transitioned into new frameworks centered on Ayyubid rule and evolving medieval Mediterranean orders.