<Tr> <Th_colspan="2"> (show) Transcriptions </Th> </Tr> <Tr> <Th> Romanization </Th> <Td> (Dai) Manshū Teikoku (Дай) Маншӯ Тейкоку </Td> </Tr> <P> Manchukuo (traditional Chinese: 滿洲 國; pinyin: Mǎnzhōuguó; Japanese: 満州 国; "State of Manchuria") was a puppet state of the Empire of Japan in Northeast China and Inner Mongolia from 1932 until 1945 . It was initially governed as a republic, but in 1934 it became a constitutional monarchy . It had limited international recognition and was de facto under the control of Japan . </P> <P> The area, collectively known as Manchuria by westerners and Japanese, was the homeland of the Manchus, including the emperors of the Qing dynasty . In 1931, the region was seized by Japan following the Mukden Incident and a pro-Japanese government was installed one year later with Puyi, the last Qing emperor, as the nominal regent and emperor . Manchukuo's government was dissolved in 1945 after the surrender of Imperial Japan at the end of World War II . The territories formally claimed by the puppet state were first seized in the Soviet invasion of Manchuria in August 1945, and then formally transferred to Chinese administration in the following year . </P>

When did japan change the name of manchuria to manchukuo