. "Abbasid invasion of Asia Minor (806)" . . . . "Abbasid victory" . "Abbasid invasion of Asia Minor" . "campaigns in Asia Minor" . . . "Abbasid Caliphate" . . . . . "huge campaign" . "conquest" . "massive invasion of 806" . "large-scale invasion" . . . . "invasion" . . "large-scale invasion of Asia Minor" . "huge expeditions" . "massive Abbasid invasion" . "806 campaign" . "806" . . "Siege of Heraclea" . . "great invasion of 806" . "invaded the Empire" . "major invasion" . "occupied" . . . "Byzantine Empire" . . "massive invasion" . "Umayyad Caliphate" . "invasion of Asia Minor" . "huge military expedition" . "Abbasid invasion of Asia Minor (806)" . "in 806" . . .