On this day, 74 years ago, August 30, 1951 (July 28, 1951 in the lunar calendar), the US-Philippines Joint Defense Treaty was signed. After World War II, the Philippines gained independence, but the American colonialists did everything possible to strive for and retain power in the Philippines. On August 30, 1951, the United States and the Philippines signed the "U.S. -Philippines Joint Defense Treaty" in Washington, which officially came into effect on August 27, 1958, with an unlimited validity period. The treaty has 8 articles, the main content of which: the two parties will maintain and develop the ability to "resist armed attacks" in a "self-help and mutual assistance" manner; When either party to the treaty is subjected to an "armed attack", the two parties consult and take action to "deal with common dangers." Through this treaty, the United States was actually first able to invade, control and interfere in its parties.