Assertion: ahmadiyya caliph | /r/CapableOf | lead the fatimids
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text: In the 1040s, the Berber Zirids (governors of North Africa under the Fatimids) declared their independence from the Fatimids and their recognition of the Sunni Abbasid caliphs of Baghdad, which led the Fatimids to launch the devastating Banū Hilal invasions of North Africa.