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 Yazdegerd II 438–457
- Korea Goguryeo Jangsu 413–491
- Byzantium Theodosian Theodosius II 408–450
Tarim and Sogdiana
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capitulation on 11 September · The Northern Liang capitulate to the Northern Wei; the Ashina flee with five hundred families to the Rouran and work iron for them on the Golden Mountain
The Flight of the Ashina (439) · Ashina · Pingliang · Rouran Khaganate · Gaochang · Altai
Also dated 450 (Bei Shi 99, as read in the Bumin article): Settlement date in the middle decades of the fifth century.
The Sui Shu gives no year for the flight; it follows the fall of the Liang, which the Wei Shu dates to 439. One reconstruction takes the Ashina by Gaochang to the Altai