Бела III
During the late 9th century the Hungarians invaded the Carpathian Basin, where the province of Pannonia was inhabited by the "Slavs [Sclavi], Bulgarians [Bulgarii] and Vlachs [Blachii], and the shepherds of the Romans [pastores Romanorum]" ("sclauij, Bulgarij et Blachij, ac pastores romanorum" —according to the "Gesta Hungarorum", written around 1200 by the anonymous chancellor of King Béla III of Hungary.