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
Eastern steppe
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Environment · Hunger in the eastern steppe; Anagui takes the Rouran south to plunder the Six Garrisons
Western steppe
China
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In a year of hunger Anagui attacks the Six Garrisons of the Northern Wei and fails to take them