The Bulgars were a semi-nomadic people who flourished in the Pontic Steppe and the Volga basin in the 7th century. Ethnically, the Bulgars were Oghur Turkic, with Scytho-Sarmatian and Sarmatian-Alan elements. There is a discussion whether these Sarmatian elements in the cultural characteristics of the Proto-Bulgars are based on Sarmatized Turks or Turkicized Sarmatians. They had also enveloped other ethnic groups by their migration westwards across the Eurasian steppe. Originating as nomadic equestrians of Central Asia, they became sedentary during the 7th century, establishing the polity of Old Great Bulgaria in the Pontic steppe. However it was absorbed by the Khazar Empire in 668 AD. In 680 AD Khan Asparukh conquered Scythia Minor,...'