According to 1921 census, oblast had linguistically heterogeneous population: speakers of Serbo-Croatian were dominant in the cities of Novi Sad, Sombor and Subotica; speakers of German were dominant in the districts of Apatin, Darda, Kula, Odžaci, Sombor and Stara Palanka; speakers of Hungarian were dominant in the districts of Topola and Batina; while speakers of Slovak were dominant in the district of Novi Sad.
Other first place finishes during this period, either shared or outright, included Netanya 1961, Vršac 1964, Novi Sad 1965, Belgrade 1965, Reggio Emilia 1967/68, Athens Zonal 1969, Belgrade 1969, Sarajevo 1971, Birmingham 1975, Bajmok 1975 (and in 1978), Majdanpek 1976, Vrbas 1976, Belgrade 1977 and Odzaci 1978.