Treaty of 815. 30-year peace agreement signed in Constantinople between the Bulgarian Khan Omurtag (814-831) and the Byzantine Emperor Leo V "the Armenian" (813-820). Detail of a column bearing the text of the peace treaty between Bulgaria and Byzantium. From Sechishte village (Suleiman kyuoi), Shumen region, Bulgaria. Around year 815. National Archaeological Museum. Sofia. Bulgaria.
Treaty of 815. 30-year peace agreement signed in Constantinople between the Bulgarian Khan Omurtag (814-831) and the Byzantine Emperor Leo V "the Armenian" (813-820). Detail of a column bearing the text of the peace treaty between Bulgaria and Byzantium. From Sechishte village (Suleiman kyuoi), Shumen region, Bulgaria. Around year 815. National Archaeological Museum. Sofia. Bulgaria.