KnowraAbbasid CaliphateLinked fromLinked fromThe 137 pages that link to Abbasid Caliphate, each with the reason it gives.All 137Broader topic 19Related 57Narrower topic 50Compared with 11Fatimid CaliphateCompared with: The Fatimids challenged Abbasid legitimacy with a competing Shi'a caliphate.Abd al-Rahman ICompared with: The Abbasids ruled the eastern Islamic world while Abd al-Rahman rebuilt Umayyad authority in Iberia.Hulagu KhanCompared with: Hulagu’s capture of Baghdad ended the Abbasid caliphate’s rule in the city.Abd al-Rahman IIICompared with: The Abbasids were a rival caliphal power when Abd al-Rahman III claimed the title.Idrisid dynastyCompared with: Idris I’s break with Abbasid authority shaped the dynasty’s origins.Al-Mu'izz li-Din AllahCompared with: Al-Mu'izz’s rule in Cairo gave the Fatimids a powerful rival center to Abbasid authority.Abd Allah al-Mahdi BillahCompared with: The Fatimid caliphate challenged Abbasid claims to universal caliphal authority.Fatimid conquest of EgyptCompared with: The Fatimids challenged Abbasid claims while expanding into Egypt.Abu Abdallah al-Shi'iCompared with: The Fatimids challenged Abbasid claims to universal leadership as rival caliphs.Imamate of OmanCompared with: Early Omani imamate traditions developed amid resistance to caliphal authority.Ibrahim II of IfriqiyaCompared with: Aghlabid emirs acknowledged Abbasid sovereignty while governing Ifriqiya with substantial autonomy.