Flag of Vietnam

The flag of Vietnam, officially "red flag with a gold star" (cờ đỏ sao vàng), was designed in 1940. The background color is red and there is a yellow star.^[1] Red means revolution and victory while the yellow star means leadership of Communist Party of Vietnam. The star also means different grades of Vietnam. ^[2]

Flag Of Vietnam Media

Construction sheet of the flag. Even though the construction of the flag is formally and constitutionally standardized, copies that don't obey the above guidelines are still widely used. Those include the popular usage of the 1:2 flag proportion, as well as the bigger and inaccurately-centered star.
Protectorate flag of Annam and Tonkin, 1885 to 9 March 1945
Flag of the Nguyễn dynasty, 1920s–1945
Flag of the Empire of Vietnam, 1945
Flag of the Democratic Republic of Vietnam, 1945–1955
Flag of the Autonomous Republic of Cochinchina, 1946
Flag of the Autonomous Republic of Cochinchina, 1946–1948
Flag of the Provisional Central Government of Vietnam (1948–1949), the State of Vietnam (1949–1955) and the Republic of Vietnam (1955–1975)
Flag of the Democratic Republic of Vietnam (1955–1976)
Flag of Provisional Revolutionary Government of South Vietnam, 1969–1976