Who ruled
- First Göktürk Khaganate Tulan Khan 588–599
- Sasanian Persia Hormizd IV 579–590
- Western Göktürk Khaganate Tardush 576–603 · Niri Khan 587–603
And beyond the steppe
- China Sui Emperor Wen 581–604
- Iran Sasanian Hormizd IV 579–590
- Korea Goguryeo Pyeongwon 559–590
- Byzantium Justinian Maurice 582–602
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
Persia
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Bahram Chobin retakes Herat, is said to take the khan's golden throne, and reaches the country of Bukhara; then rises against his own king
Bahram Chobin · Göktürk–Persian war, 588–589 · Herat · Bukhara · Sasanian Persia