The Southeast Asia Treaty Organization (SEATO)

The Southeast Asia Treaty Organization (SEATO) was an international organization for collective defense which was signed on September 8, 1954. The formal institution of SEATO was established at a meeting of treaty partners in Bangkok in February 1955. It was primarily created to block further communist gains in Southeast Asia. The organization's headquarters were located in Bangkok, Thailand. SEATO was dissolved on June 30, 1977.