Caliphs History -- Islamic Empire -- 8 Islam 6 Umayyad dynasty 5 History 4 Civilization 3 more ... Islamic civilization 3 Fatimites 2 Leadership -- 2 Umayyad dynasty -- 2 622-661 1 Ayyubids 1 Biography -- 1 Caliphate 1 Caliphate -- 1 Caliphs -- 1 Islamic Empire 1 Islamic countries -- 1 Kings and rulers 1 Mamelukes 1 Religious aspects -- 1 less ...