 Nyorai kuenderera mberi kweiyi ndima - Humambo hweBulgaria pakutanga hwakabatana neAxis kuti huwane nzvimbo uye kudzivirirwa kubva kuUSSR. Uyewo Bulgaria yaida kudzivisa makomonisiti aiva munyika yacho, aiva nesimba muuto. Pasinei neizvi Bulgaria haina kutora chikamu muhondo zvakanyanya, isina kubatana mune chero Operation Barbarosauye kuramba kutumira vaJudha vayo kumisasa yevasungwa. Zvisinei, muna 1943 Tsar Boris III akafa, uye Axis yakanga yava kutanga kurasikirwa paEastern Front. Hurumende yeBulgaria yakataurirana nevavengi uye yakabva muhondo muna August 1944. Pasinei naizvozvi vakaramba kudzinga mauto eGermany akanga achiri munyika yacho. Soviet Union yakapindura nokupinda munyika yacho muna September 1944, iyo yakaitika panguva imwe cheteyo nechiito chokubvuta hurumende cha1944 chakaitwa namakomonisiti. Kuchinja kwacho kwakaita kuti vaKomonisiti veFatherland Front vatore simba. Hurumende itsva yakaparadza umambo uye yakauraya vaimbova vakuru vakuru vehurumende kusanganisira vanhu 1 000 kusvika ku 3 000, vapari vemhosva dzehondo, uye vatsigiri vehurumende muDare reVanhu, uyewo yakadzinga Mambo Simeon II. Kutevera referendamu muna 1946 Peoples Republic of Bulgaria yakagadzwa pasi pehutungamiri hwaGeorgi Dimitrov. 