Who ruled
- Byzantium Theodosius II 408–450
- Rouran Khaganate Datan Khan 414–429 · Wuti Khan 429
- 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
China
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Taiwu crosses the Gobi and scatters the Rouran at the Li river; more than three hundred thousand surrender and Datan dies
Rouran Khaganate · Taiwu's campaign against the Rouran (429) · Datan Khan
Dating discussed (Wei Shu 103): 神䴥二年: Taiwu crosses the desert, scatters Datan's people at the Li river and takes the surrender of more than three hundred thousand; 始光元年 (424) is Datan's raid on Yunzhong in which the emperor was surrounded and escaped, 425 the five-road campaign.
