Ka kammala wannan jumla: Amirka da Tarayyar Soviet sun kawo ƙarshen yaƙin ta wajen kai wa Jafananci hari da sabon makami (a ɓangaren Amirka) da kuma mamaye Manchuria (a ɓangaren Tarayyar Soviet). A ranar 6 ga Agusta, 1945, wani jirgin saman B-29 na Amurka, "Enola Gay", ya jefa bam din nukiliya na farko da aka yi amfani da shi a yaƙi a Hiroshima, ya kashe dubun dubbai kuma ya daidaita garin. A ranar 9 ga watan Agusta, 1945, Tarayyar Soviet ta yi watsi da yarjejeniyar da ba ta kai hari ba tare da Japan da
Ya kai hari kan Jafananci a Manchuria, ya cika alkawarinsa na taron Yalta don kai hari ga Jafananci a cikin watanni uku bayan karshen yakin a Turai. Ƙungiyoyin sojojin Soviet guda uku ne suka kai harin. A wannan ranar, Amirka ta sake jefa bam na biyu a birnin Nagasaki.