IslamVersion en ligne Match the events and dates of the stages of the conquest of Islam. par Carmen Aldaz Ortega 1 Orthodox caliphate 2 Umayyad caliphate 3 Abbasid caliphate 632 Death of Muhammad. Succesors of Muhammad were given the title of Caliph and lived in Medina. The Empire spread throughout Syria, Palestine, Egypt, North Africa, Mesopotamia and Persia. Capital: Medina Capital: Damascus. The Umayyad family inherited the Caliph title. The Arabic Empire was very big, extending throughout the north of Africa, westwards to the Iberian Peninsula and eastwards to the Indus Valley and Turkestan. 732 Battle of Poitiers. Muslim defeat by the Franks. Capital: Baghdad. 827 Conquest of Crete and Sicily. Expansion ended and internal conflict began. 1055 Turks conquered the caliphate. 1258 Moghuls conquered Baghdad.