Rubuta ci gaba don wannan sakin layi - Sojojin Japan da farko sun sami nasarorin soja masu yawa a lokacin Yaƙin Sino-Japan na biyu (1937<unk>1945) da kuma Yakin Pacific. Koyaya, farawa daga 1942, musamman bayan Yaƙe-yaƙe na Midway da Guadalcanal, an tilasta wa Japan ta ɗauki matsayin kariya, kuma kamfen ɗin tsalle-tsalle na tsibirin Amurka yana nufin cewa Japan tana rasa sannu a hankali duk yankin da ta samu, kuma a ƙarshe, Amurkawa sun kama Iwo Jima da tsibirin Okinawa, suna barin ƙasar Japan gaba ɗaya ba tare da kariya ba. Sojojin Amurka sun shirya mamayewa, amma Japan ta mika wuya
bayan bama-bamai na atomatik na Hiroshima da Nagasaki da kusan lokaci guda Soviet sanarwar yaƙi a ranar 9 ga Agusta, 1945, da kuma mamayewa na Manchuria da sauran yankuna. Yaƙin Pacific ya ƙare a ranar 2 ga Satumba, 1945. Wani lokaci na mamayewa da Allies ya biyo baya. A cikin 1947, tare da sa hannun Amurka, an zartar da sabon kundin tsarin mulki, wanda ya kawo ƙarshen Daular Japan a hukumance, kuma an maye gurbin Sojojin Daular Japan da Sojojin Tsaro na Japan. Harkokin da aka yi da kuma sake ginawa ya ci gaba har zuwa 1952, daga bisani ya kafa mulkin mallaka na yanzu da aka sani da Japan.