 Bulgaria yakabudirira kutaurirana kudzorerwa kweSouthern Dobruja, chikamu cheRomania kubvira 1913, muAxis-inotsigirwa Chibvumirano cheCraiova musi wa7 Gunyana 1940, icho chakasimbisa tariro dzeBulgaria dzekugadzirisa matambudziko enharaunda pasina kubatanidzwa zvakananga muhondo. Zvisinei, Bulgaria yakamanikidzwa kubatana neAxis masimba muna 1941, apo mauto eGermany ayo akanga achigadzirira kupinda muGreece achibva kuRomania akasvika kumiganhu yeBulgaria ndokukumbira mvumo yokupfuura nomunyika yeBulgaria. Achityisidzirwa nokurwisana zvakananga nemauto, Tsar Boris III akanga asina chisarudzo kunze kwokupinda muboka revaFascist, iro rakaitwa kuti rive repamutemo musi wa1 March 1941. Kwakanga kune chishoro chiduku chavose, sezvo Soviet Union yakanga iri muchibvumirano chokusarwisa neGermany. Zvisinei mambo akaramba kupa vaJudha veBulgaria kuvaNazi, achiponesa upenyu hwavanhu 50 000. 