Almohad Caliphate
The Almohad Caliphate (c. 1121–1269) was a Berber Muslim empire originating from the Masmuda tribes of the High Atlas Mountains in Morocco, founded by the religious reformer Muhammad ibn Tumart, who proclaimed himself the Mahdi and advocated a strict unitarian doctrine emphasizing absolute tawhid (divine oneness) while rejecting anthropomorphic interpretations of God prevalent under the Almoravids.[1][2] This militant religio-political movement overthrew the Almoravid dynasty by 1147, establishing the largest unified Berber empire in history under the successive caliphs of the Mu'minid dynasty, beginning with Abd al-Mu'min, who transformed the ideological insurgency into a centralized state apparatus.[3][4] At its zenith in the late 12th century, the caliphate controlled the Maghreb from modern Libya westward to the Atlantic, including key cities like Marrakesh, Fez, and Tunis, as well as much of the Iberian Peninsula (al-Andalus), where it temporarily halted Christian Reconquista advances through military campaigns.[1][5] Almohad rule featured notable architectural achievements, such as the construction of monumental mosques like the Koutoubia in Marrakesh and the Giralda in Seville, reflecting a austere yet grand aesthetic aligned with their doctrinal purity.[6] However, the regime's defining characteristic was its intolerance toward non-adherents; caliphs enforced conversion or exile upon Jews and Christians, abrogating dhimmi protections and contributing to cultural disruptions, including the suppression of philosophical works deemed incompatible with their orthodoxy.[3][7] The caliphate's decline accelerated after the decisive Christian victory at the Battle of Las Navas de Tolosa in 1212, which shattered Almohad military prestige and fragmented their Iberian holdings, while internal tribal revolts and succession struggles eroded central authority in North Africa.[3] By the mid-13th century, successor states like the Marinid Sultanate in Morocco and the Hafsid dynasty in Ifriqiya supplanted Almohad remnants, marking the end of their imperial phase.[1] Despite its collapse, the Almohad legacy endured in the reinforcement of Maliki jurisprudence and Berber political models that influenced subsequent North African regimes, though their rigid ideology ultimately proved unsustainable against diverse societal pressures and external threats.[2][4]History
Origins and Ibn Tumart's Movement
Muhammad ibn Tumart, born between 1078 and 1081 in Igiliz in the Anti-Atlas Mountains to a Masmuda Berber family from the Sus al-Aqsa region, claimed descent from the Idrisid sharifs to bolster his religious authority. Around 1106, he embarked on an eastern journey for advanced Islamic studies, visiting scholarly centers in Baghdad, Mecca, Medina, Damascus, Alexandria, and Cairo, where he absorbed Ash'arite theology and the works of al-Ghazali, shaping his commitment to rational interpretation of scripture.[3] Returning to the Maghreb in 1119 or 1120, Ibn Tumart initiated public preaching that condemned the Almoravid rulers for theological anthropomorphism—attributing human-like qualities to God—and for permitting laxity in religious observance through their patronage of the Maliki school, which he viewed as overly reliant on taqlid (imitation) rather than ijtihad (independent reasoning).[3] His reformist message resonated with the Masmuda Berber tribes of the High Atlas Mountains, who faced economic grievances from Almoravid interference in caravan trade routes and resented centralized control over local customs.[3] In Ramadan 1121 (515 AH), Ibn Tumart declared himself the Mahdi (guided one) at the mosque of Sus al-Aqsa or nearby Ighilliz, assembling an inner circle of ten companions and a broader council of fifty to structure the emerging al-Muwahhidun (Unitarians) movement, emphasizing uncompromising tawhid (divine oneness) free from anthropomorphic interpretations.[3] Expelled from cities like Fez and Meknes for his uncompromising calls to command right and forbid wrong, he relocated to the fortified village of Tinmel by 1125, backed by tribes such as the Hazmira, establishing it as a ribat (fortified monastery) for doctrinal training and guerrilla warfare against Almoravid garrisons.[3] Ibn Tumart's theology integrated Ash'arite orthodoxy with Mu'tazilite rationalism and Shi'i infallibility claims for the Mahdi, rejecting literalist readings of Qur'anic attributes and mandating communal recitation of his creedal articles. In 1128, he enforced tamyiz (discernment trials) to purge inconsistent followers, solidifying ideological cohesion among the Masmuda core. The movement's viability was tested in the 1130 Battle of Bu Hayara, where an Almohad force of approximately 100,000 clashed with 40,000 Almoravids, inflicting defeats but suffering heavy casualties; Ibn Tumart died later that year in Tinmel, with his passing possibly concealed briefly to preserve unity until his lieutenant Abd al-Mu'min assumed command and militarized the nascent caliphal structure.[3]