Articles relating to Tengrism, the ancient and medieval Central Asian–Eurasian Steppe sky god Tengri-centered state religion as well a number of the modern Turko-Mongolic native religious movements and teachings. It was the prevailing religion of the Turks with Mongols (including Bulgars, Huns, Xiongnu), and, possibly, the Manchus and Magyars, as the religion of several medieval states: Göktürk Khaganate, Western Turkic Khaganate, Eastern Turkic Khaganate, Old Great Bulgaria, Danube Bulgaria, Volga Bulgaria, and Eastern Tourkia (Khazaria).