A people who speak a Finno-Ugric language and whose ancestors came from an area round the River Volga in Russia. Under Prince Arpád, they entered what became Hungary in the 9th century. They harassed the German kingdom but were finally defeated and repulsed by Otto I at the Battle of Lechfeld. Pope Sylvester crowned Stephen as the first king of their country in 1000 and he established unity and introduced Christianity.