History History -- 45 Islam -- 25 Caliphs 12 Arabs -- 11 Islamic civilization 11 Abbasids 5 more ... Umayyad dynasty 5 World history 5 Civilization, Arab 4 Missions -- 4 Politics and government 4 Fatimites -- 3 Historical geography 3 Islam 3 Islamic civilization -- 3 Caliphate 2 Caliphate -- 2 Chronology 2 Crusades -- 2 Early works to 1800 2 Foreign relations 2 History, Military 2 Intellectual life 2 Islam and politics -- 2 Islam and state -- 2 Mongols -- 2 Political science -- 2 Shiah -- 2 Umayyad dynasty -- 2 less ...