 A record from 1309 speak about "Schismatics" (Eastern Orthodox Christians), who lived in Bačka.Arsenije I Bogdanović from Srem, the second Serb archbishop (1233–1263) after Saint Sava, was born in Srem, in the village Dabar near Slankamen.After the creation of an autocephalous Serbian Orthodox Church in 1219 and negotiations between Archbishop Sava and the Hungarian crown, the Eastern Orthodox Slavic population north of the Danube was subjected under its jurisdiction.