 Nyora kupfuurira kweiyi ndima - Pashure pokupinda kweJapan muManchuria yakavakidzanaMuna 1931, Mongolia yakanga ichityisidzirwa pamuganhu uyu. Munguva yeHondo yeMuganhu yeSoviet neJapan ya1939, Soviet Union yakabudirira kudzivirira Mongolia pakurwisana neJapan. Mongolia yakarwisana neJapan panguva yeHondo yeKhalkhin Gol muna 1939 uye panguva yeHondo yeSoviet-Japanese muna Nyamavhuvhu 1945 kusunungura Inner Mongolia kubva kuJapan neMengjiang. 