785: Empress Eirene terminates the treaty of 782. Reprisal of the annual Arab invasions to the frontier regions in Asia Minor.
786: The Byzantines destroy the frontier castle of Adata that the Arabs had abandoned.
September 788: Battle between the Byzantines and the Arabs at Podandos (Kopidnadon) in Cappadocia. Defeat of the Byzantines, death of tourmarch Diogenes.