September 8, 1951 (, Xin Mao August eighth day), the signing of the Japan-US Security Treaty.

1951, Japan, China and the United States signed in San Francisco, U.S. Army Command of the military alliance treaty. Came into effect on April 28, 1952. 1950, the United States, the need for the implementation of the "Cold War policy, (lsjt.net) decided to re-armed Japan, making it the main military bases of the United States in the Far East. Legalize this purpose, the United States signed the treaty with Japan. Treaty by the preface and the provisions of 5. Require Japan recognized that the United States is entitled to stationed in Japan, land, sea, and air force; U.S. forces stationed in Japan under the Japanese government's request, the repression of civil unrest "and" riots "against external military attack; without the United States agreed that Japan can not any base to give a third country; garrison with conditions other provisions by the Japan-US Administrative Agreement. 1960, which is about the "Japan-US Mutual Cooperation and Security and about instead.