The League of Communists of Yugoslavia, formed in 1919, is occupied mostly by Serbs occupying 51.77%, followed by Hungarians with 18.13%.
The League of Communists of Yugoslavia (Serbo-Croatian: Savez komunista Jugoslavije /   ), known until 1952 as the Communist Party of Yugoslavia, was the founding and ruling party of SFR Yugoslavia. 1919
Vukovar Congress in 1920 Serb 51.77 Croat 18.13 Hungarian 1.21 
