EntityQ129579066· pop 8· linked from 288 articlesYahya ibn UmarSign in to save9th-century rebel against the AbbasidsConnectionsBaghdadCitycapital punishmentEntityInternational Standard Book NumberEntityShia IslamConceptAlī ibn Abī ṬālibEntitySunni IslamEntityHusayn ibn AliEntitycaliphateEntitySamarraEntityKufaEntityAl-Mas'udiEntitytreasonEntityMahdiEntityRajabEntityelegyEntityZaidismEntityAhl al-BaytEntityFallujahEntityAli ibn al-Husayn Zayn al-'AbidinEntityAbbasidsEntityCategories864 deathsArab rebelsHusaynidsMedieval Arabs killed in battleRebels from the Abbasid CaliphateYear of birth unknownZaydi imams