Who ruled
- Byzantium Marcian 450–457
- Hunnic Empire Dengizich 454–469
- Western Roman Empire Valentinian III 425–455
And beyond the steppe
- China Northern Wei Emperor Wencheng 452–465
- Iran Sasanian Yazdegerd II 438–457
- Korea Goguryeo Jangsu 413–491
- Byzantium Theodosian Marcian 450–457
Western steppe
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At the Nedao in Pannonia the subject peoples under the Gepid king Ardaric defeat Attila's sons; his eldest son Ellac falls
Battle of the Nedao · Ardaric · Ellac · Hunnic Empire
Also dated 455 (a second reckoning): Jordanes gives no year.
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Culture · Sogdian colonists found the first towns of Semirech'e, Suyab and Navaket among them, as estates of nobles (450–600)
