Nyorai kuenderera mberi kweiyi ndima - Musi wa9 Gunyana 1944 mukudonha hurumende yeMutungamiriri weHurumende Konstantin Muraviev yakadzingwa uye yakatsiviwa nehurumende yeFatherland Front inotungamirwa naKimon Georgiev. Musi wa16 September 1944 Mauto Matsvuku eSoviet akapinda muSofia. Mauto eBulgaria akaratidza kukunda kwakati wandei kurwisa 7th SS Volunteer Mountain Division Prinz Eugen (paNish), 22nd Infantry Division (paStrumica) uye mamwe mauto eGerman panguva yekuita muKosovo
uye paStratsin.