The original Tatars probably came from E central Asia or central Siberia; unlike the Mongols, they spoke a Turkic language and were possibly akin to the Cumans or Kipchaks and the Pechenegs. They were nomads, moving across the vast Asian and Russian steppes with their families and their herds of cattle and sheep. After the conquests of the Mongol Jenghiz Khan, the Mongol and Turkic elements merged, and the invaders became known in Europe as Tatars. The Mongol invasion led by Batu Khan into Hungary and Germany in 1241 is also known as the Tatar invasion.
After the wave of invasion receded eastward, the Tatars continued to dominate nearly all of Russia, the Ukraine, and Siberia. Because of the gorgeous tents of Batu Khan, his followers were known as the Golden Horde. The empire of the Golden Horde—also known as the Kipchak khanate—controlled most of Russia either directly or through exacting tribute from the Russian princes. The Golden Horde adopted Islam as its religion in the 14th cent.