Japan and Korea sign the Treaty of Kangwha, which grants Japanese citizens extraterritoriality rights in Korea, opens three Korean ports to Japanese trade, and ends Korea's status as a tributary state of Qing dynasty China.

The Empire of Japan, 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…