February 9, 782: Harun ar-Rashid campaigns to Asia Minor
spring‑summer 782: Armed conflicts between Arabs and Byzantines in Asia Minor. The expeditionary corps of Harun ar-Rashid is trapped in Bithynia, but Antonios (domestikos ton scholon), Petros (magistros) and Staurakios are cunningly arrested thanks to the defection of the general Tatzates.
September 782: Peace treaty between Eirene and al-Mahdi. Harun ar-Rashid returns to Arab territories.
spring 785: The Byzantines violate the peace treaty.