 Nguva pfupi pamberi pokupinda kweAxis muYugoslavia, vamwe vakuru vakuru vehondo nevemhepo, vachitsigirwa neGreat Britain, vakaita coupnehurumende yeYugoslavia musi wa27 March. Kunze kwezvinetso zvekushayikwa kwemidziyo yakakwana uye kuunganidzwa kwakakwana, Royal Yugoslav Army yakatambura zvakanyanya kubva pakuparadzaniswa kweSerbo-Croat mune zvematongerwo enyika zveYugoslav. Kuramba kweYugoslav kupandukira kwakaparara usiku humwe chete. Chikonzero chikuru chakanga chiri chokuti hapana rimwe remapoka emarudzi asiri echiSerbia vaSlovene navaCroat rakanga rakagadzirira kurwisana mukudzivirira ravairangarira seYugoslavia yaidzorwa navaSerbia. Kurwisa kwakanaka bedzi kwaiva kubva kumapoka eSerbia chete mukati memiganhu yeSerbia pachayo. Muchiratidzo chayo chakaipisisa, kudzivirirwa kweYugoslavia kwakakanganiswa zvakanyanya musi wa 10 Kubvumbi 1941, apo mamwe mayuniti muCroatian-anotungamirwa 4th uye 7th Mauto akapanduka, uye hurumende ichangobva kuumbwa yeCroatia yakarumbidza kupinda kwevaGerman muZagreb zuva rimwe chetero. 