Bayan nasarar da suka samu a yakin Heliopolis a watan Yulin 640, da kuma mika wuya na Alexandria a watan Nuwamba 641, sojojin Larabawa sun karɓi abin da ya kasance lardin Roman na Misira. Sabon Sarkin Byzantine Constans II ya ƙuduri aniyar sake ɗaukar ƙasar, kuma ya ba da umarnin babban jirgi don ɗaukar sojoji zuwa Alexandria. Waɗannan sojojin, a ƙarƙashin Manuel, sun mamaye garin daga ƙaramar rundunar Larabawa a ƙarshen 645 a cikin wani harin amphibious. A cikin 645 Byzantine ta haka ne ya sake dawo da Alexandria. Amr a lokacin yana iya kasancewa a Makka, kuma an dawo da shi da sauri don ya jagoranci sojojin Larabawa a Misira.
Ƙasar Alexandria