Kammala jumla mai zuwa: Tarihin Armeniya ya ba da rahoton cewa Larabawa sun fara zuwa a 642, sun shiga cikin yankin tsakiyar Ayrarat, kuma sun kori Dvin, sun dawo tare da fursunoni fiye da 35,000. A cikin 643, Larabawa sun sake mamayewa, daga shugabancin Adharbayjan, sun lalata Ayrarat kuma sun isa Iberia, amma shugaban Armeniya Theodore Rshtuni ya ci su a yaƙi kuma ya tilasta su koma baya. Bayan wannan nasarar, Rshtuni ya zama mai mulkin Armenia daga sarkin Byzantine Constans II, a musayar karɓar ikon mallakar Byzantine. Lokacin da yarjejeniyar Constans tare da Larabawa ta ƙare a cikin 653, duk da haka, don kauce wa sabon mamayewar Larabawa, Rshtuni da son rai ya yarda ya miƙa wuya ga mulkin Musulmi. Emperor Constans sannan ya yi yaƙi da kansa a Armenia, ya dawo da mulkin Byzantine, amma ba da daɗewa ba bayan tafiyarsa a farkon 654 Larabawa suka mamaye ƙasar. Tare da taimakonsu, Rshtuni ya kori sojojin Byzantine daga Armenia kuma ya tabbatar da amincewar Larabawa a matsayin sarkin Armenia, Iberia, da Albania. Byzantines karkashin janar Maurianos sun yi kokarin dawo da iko da yankin, amma ba tare da nasara ba. A shekara ta 655, har ma an mamaye Byzantine Armenia, kuma Larabawa sun mamaye Theodosiopolis (Larabci "Qaliqala") kuma sun karfafa ikon su na kasar ta hanyar daukar Rhstuni zuwa Damascus, inda ya mutu a shekara ta 656, kuma ya nada abokin hamayyarsa Hamazasp Mamikonian a madadinsa. Duk da haka, tare da barkewar cutar
Yaƙin basasa na Musulmi na farko a cikin 657, ikon Larabawa mai tasiri a cikin ƙasar ya daina, kuma Mamikonian ya koma ga ikon Byzantine kusan nan da nan.