Nyorera kupfuurira kweiyi ndima - Muna March, hurumende yeYugoslavia yaitsigira Germany yakadonhedzwa. Hitler akatsamwa akarayira kuti kurwisa kwacho kuwedzerwe kuti kubatanidze Yugoslavia. Operation Marita yakatanga musi wa 7 April. Luftwaffe yakapa StG 1, 2 uye 77 kuhondo. The Stuka kamwe zvakare akatungamirira mhepo kurwisa, ane pamberi mutsetse simba 300 michina, pamusoro shoma Yugoslavia kurwisa mudenga, kubvumira Stukas kukudziridza mukurumbira zvinotyisa munzvimbo ino. Vachishanda vasingavhiringidzwi, vakatora mutero wakakura wemauto epasi, vachitambura kurasikirwa kuduku bedzi kumoto wepasi. Kubudirira kwebhomba rinobhururuka kwakabetsera kuunza kugovera kweYugoslavia mumazuva gumi. VaStukas vakatorawo rutivi rwakaderera muOperation Punishment
, kubhomba kweBelgrade kwaHitler kwotsiva. Mabhomba okudonhedza airwisa nhandare dzendege uye nzvimbo dzokupfura zvombo zvinorwisa ndege sezvo mabhomba okudonhedza airwisa vanhuwo zvavo. Belgrade yakakuvadzwa zvikuru, navanhu 2.271 vakaurawa uye 12.000 vakakuvadzwa.