What colour is the star on the Vietnam flag?
The flag of Vietnam, or "red flag with a gold star" was designed in 1940 and used during an uprising against French rule in southern Vietnam that year. Red symbolizes the goals of social revolution behind the Vietnamese national uprising. The star represents the five main classes in Vietnamese society (intellectuals, farmers, workers, business people and military personnel).
The flag was used by the Viet Minh, a communist-led organization created in 1941 to oppose Japanese occupation. At the end of World War II, Viet Minh leader Ho Chi Minh proclaimed Vietnam independent and signed a decree on 5 September 1945 adopting the flag as the flag of North Vietnam.