Who ruled
- First Göktürk Khaganate Yami Khan 603–609
- Western Göktürk Khaganate Heshana Khan 603–611
And beyond the steppe
- China Sui Emperor Yang 604–618
- Iran Sasanian Khosrow II 591–628
- Korea Goguryeo Yeongyang 590–618
- Byzantium Phocas 602–610
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
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Environment · Lake Telmen stands 4.8 metres above its present level, a humid phase before the drying that follows (600–700)
China
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Yangdi at Yulin feasts Qimin and three thousand five hundred chiefs; Qimin asks for Chinese dress and laws and is refused
Yami Khan · Sui · Yangdi's Visit to Yami Khan (607) · Sui Variety Shows for Yami Khan (606–610)
