Who ruled
And beyond the steppe
- China Tang Xuanzong (Li Chen) 846–859
- Iran Abbasid al-Wathiq 842–847 · al-Mutawakkil 847–861
- Korea Silla Later Silla 780–930
- Byzantium Amorian Michael III 842–867
Eastern steppe
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Environment · Central Mongolia turns drier, by the lake record, and stays so to 1300; the droughts of the Medieval Climate Anomaly (700–1300)
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Environment · Persistent drought in the Orkhon country through the last Uyghur decades, by the tree rings (783–850)
Climate and the steppe empires · Uyghur Khaganate
From the tree-ring record of the Uyghur period
China
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The Tang court invests the Kirghiz khan with the title Yingwu Chengming Khan, after a court debate had stopped the plan of 845
Tang investiture of the Kirghiz (847) · Kirghiz Embassies to the Tang (842–848) · Yenisei Kirghiz Khaganate