History -- 5 Caliphs 2 Islamic Empire -- 2 Shiah -- 2 Siffin, Battle of, Syria, 657 2 Umayyad dynasty 2 Anniversaries, etc 1 more ... Biography 1 Caliphs -- 1 Camel, Battle of the, Iraq, 656 1 Doctrines 1 Fasts and feasts -- 1 Imams (Shiites) 1 Karbala (Iraq), Battle of, 680 -- 1 Psychology 1 Sermons 1 Shiah 1 Shiite poetry, Arabic 1 Shiites 1 Tenth of Muharram 1 less ...