Who ruled
- Byzantium Justin II 565–578
- First Göktürk Khaganate Mukan Khan 553–572
- Northern Zhou Emperor Wu of Northern Zhou 560–578
- Sasanian Persia Khosrow I 531–579
- Western Göktürk Khaganate Istemi 552–576
And beyond the steppe
- China Northern Zhou Emperor Wu 560–578 · Northern Qi Gao Wei 565–577
- Iran Sasanian Khosrow I 531–579
- Korea Goguryeo Pyeongwon 559–590
- Byzantium Justinian Justin II 565–578
Eastern steppe
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Environment · Late Antique Little Ice Age: the cold phase the Altai tree rings define from 536 to about 660 (536–660)
Climate and the steppe empires · First Göktürk Khaganate · Avars
The coldest decade in the Altai is the 540s
Western steppe
Byzantium
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Zemarchos returns to Constantinople with the Göktürk embassy of Tagma Tarkhan
Zemarchos · Tagma Tarkhan · The embassy of Zemarchos, 569
John of Ephesus has the envoys home after an absence of two years; reckoned from Menander's departure in August 569, the return falls late in 571.