The Ryuku Islands become Okinawa Prefecture. 1889 Promulgation of the Constitution of the Empire of Japan. Korea becomes a Japanese colony. Japan presents China with a set of 21 demands for expanding its rights in China. Showa 1927 Start of a financial panic.
Government declares moratorium on gold standard.
The so-called Liutaochu Incident is used as a pretext for the start of military maneuvers in northeast China. Start of invasion of China. 1946 Promulgation of the Constitution of Japan. 1951 Signing of the Treaty of San Francisco. 1961 Enactment of the Basic Agricultural Law.