Who ruled
- Byzantium Theodosius II 408–450
- Rouran Khaganate Datan Khan 414–429
- unattached Theodoric I 419–451
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
Eastern steppe
-
Datan raids Yunzhong and surrounds the young emperor Taiwu fifty ranks deep; he withdraws after his nephew is shot
Datan Khan · Northern Wei · Taiwu's campaign against the Rouran (429)
