Who ruled
- Second Göktürk Khaganate Tengri Khan 734–741
And beyond the steppe
- China Tang Xuanzong 712–756
- Iran Umayyad Hisham 724–743
- Korea Silla Hyoseong 737–742
- Byzantium Isaurian Leo III 717–741
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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Xuanzong sends Li Zhi with a sealed letter to invest Tengri as khan a second time
