Empire of Japan
Japanese nation state from 1868 to 1947
The Empire of Japan (Japanese: 大日本帝國/大日本帝国, Hepburn: Dai Nippon Teikoku/Dai Nihon Teikoku), also known as the Japanese Empire or Imperial Japan, was the period of Japanese history spanning 79 years, starting with the Meiji Restoration on 3 January 1868, and ending with ratification of the Constitution of Japan on 3 May 1947. From August 1910 to September 1945, it included mainland Japan, Okinawa, the Kurils, Karafuto, Korea, and Taiwan. The South Seas Mandate and concessions were de jure not internal parts of the empire but dependent territories.
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