Who ruled
- Rouran Khaganate Anagui 520–552
And beyond the steppe
- China Northern Wei Emperor Xiaoming 515–528
- Iran Sasanian Kavad I 498–531
- Korea Goguryeo Anjang 519–531
- Byzantium Justinian Justin I 518–527
Western steppe
China
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Environment · Drought and hunger in the Hetao plain behind the Six Garrisons; the garrisons revolt
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The Six Garrisons revolt; the Wei emperor calls in the Rouran, who suppress the rising and plunder the rebel districts
Anagui · Rouran Khaganate · Tiele · Huaihuang