 Nyora kupfuurira kweiyi ndima - Mushure mekutonga kwekurambidza Svetislav Milosavljević, Banja Luka yaive chikamu cheguta razvino muVrbas Banovina uye Humambo hweYugoslavia. Pashure pake pakutonga kunouya kurambidza Bogoljub Kujundžić uye panguva yokutonga kwake chivako ichi chakavakwa. Kuvakwa kwemabhangi nezvimwe zvivako zvine ukoshi hwezvemari nokuda kwenyika inoedza kuva yakagadzikana nenzira iyoyo kwakanga kuchikosha zvikuru. Kunze kwedambudziko panguva iyoyo rakakonzerwa nekupunzika kweWall Street paBlack Thursday 1929Kutonga kweYugoslavia kwakapfuurira kurwisana nedambudziko iroro ndokuisa nyika patsoka. MuBanja Luka zvimwe zvivako zvinokosha zvakapedzwa panguva iyoyo uye zvimwe zvacho ndeizvi: kuvaka kweHygienical Institute nhasi Public Healthcare Institute, City Bridge kana Patra bridge, Imba yeVarombo Uboški dom nhasi Secondary School Center zvichingodaro. Uyewo mamwe mabhangi akazvimirira akaputsika uye iyoyo yaiva mukana wemabhangi ehurumende akasimba. 