Which Arab caliphate was a major rival of the Byzantine Empire during Michael III's reign?
Umayyad
Abbasid
Fatimid
Almohad
Answer
The Abbasid Caliphate was a major rival of the Byzantine Empire during Michael III's reign. The two empires were often in conflict, with the Byzantines gradually regaining territory and power during this time.
Michael III Knowledge Quest: 21 Questions for the intellectually curious