After the Mukden Incident of September 18, 1931, the Japanese Kwantung Army invaded Manchuria and, by February 1932, it had captured the entire region. The last emperor of the Qing Dynasty, Puyi, who was living in exile in the Foreign Concessions in Tianjin, was convinced by the Japanese to accept the throne of the new Empire of Manchukuo, which remained under the control of the Imperial Japanese Army.