E Dawla Byzantine Girka’en famto ɗon deppe njange naa boo neeɓi ba ɓaawo nyaamuki galba Islaama, ko ngam marem Kaliifaajo jamanuuru Abbasiyya hokki daama hawtuki ɗereeji Girkanko’en ɓe yoɓi ɓe Fasirgo dow ɓe fassiro ɗereeji ɗin.