Pedzisa mutsara unotevera: Chikamu chechipiri chakatanga pakasvika Khalid ibn al-Walid nemauto ake kuSiriya muna 634. Pasi pomutungamiriri mukuru waKhalid, mauto echiMuslim akakomba ndokutora nzvimbo dzomumaguta dzokumaodzanyemba kweSyria dzeBosra,
Damascus, Beisan (Scythopolis), Pella, Gaza, uye kwenguva pfupi, Homs (Emesa) uye Baalbek (Hierapolis). Heraclius akapindura nokutumira mauto oumambo akatevedzana kurwisa vaMuslim. VaByzantine vakakundwa zvine mutsindo muhondo huru dzeAjnadayn muPalestine uye Fahl neYarmouk muTransjordan, zvese zvakaitika muna 634-636. Kukunda kwevaMuslim muhondo kwakaguma nokurwisa kwaiitwa nevaByzantium.