Decisive battle in the Indochina War at a French fortress in North Vietnam, near the Laotian border. French troops were besieged 13 March7 May 1954 by the communist Vietminh, and the eventual fall of Dien Bien Phu resulted in the end of French control of Indochina.
Red symbolizes blood. Yellow represents sunshine. Green stands for the islands' riches. Black reflects the Melanesian population. Effective date: 30 July 1980.