Who ruled
- Byzantium Theodosius II 408–450
- Hunnic Empire Attila 434–453 · Bleda 434–445
- unattached Theodoric I 419–451
- Western Roman Empire Valentinian III 425–455
And beyond the steppe
- China Northern Wei Emperor Taiwu 423–452
- Iran Sasanian Bahram V 420–438
- Korea Goguryeo Jangsu 413–491
- Byzantium Theodosian Theodosius II 408–450
Byzantium
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Treaty of Margus: the eastern Romans double the yearly tribute to the Huns from 350 to 700 pounds of gold
Treaty of Margus · Attila · Bleda
Also dated 438 (a second reckoning, which places the treaty after 15 November 438): Epigenes still held a lower office on that day, and Priscus calls him quaestor. Also dated 433 (the dating of the edition): Priscus gives no year.