History -- 7 Caliphs 4 Umayyad dynasty 4 Islamic Empire -- 3 Shiah -- 3 Doctrines 2 Islam 2 more ... Islam -- 2 Shiites 2 Siffin, Battle of, Syria, 657 2 Anniversaries, etc 1 Biography 1 Caliphs -- 1 Camel, Battle of the, Iraq, 656 1 Customs and practices 1 Fasts and feasts -- 1 History 1 Imams 1 Imams (Shiites) 1 Karbala (Iraq), Battle of, 680 -- 1 Psychology 1 Sermons 1 Shiah 1 Shiite poetry, Arabic 1 Tenth of Muharram 1 less ...