Red star on a red field. The flag of Vietnam also has a yellow star on a red field. North Korea's Red Star operating system takes its name from the communist red star. Socialist countries in Africa also incorporated the red and/or gold star into their heraldry. This practice was also adopted by countries that were formed following decolonial national liberation struggles, which often involved Marxist organizations. Transnistria and the Luhansk People's Republic are proto-states located in Eastern Europe. Due to their historical association with the Soviet Union, they have adopted socialist imagery including the red star into their flags and heraldry.
Flag of Mengjiang flag formerly used by the Republic of China. Flag of Mengjiang The flag used by the Mengjiang United Autonomous Government consists of a horizontal colour pattern of yellow, blue, white, red, white, blue and again yellow. The colors on the flag were used to represent major ethnic groups in Mengjiang: the Mongols (blue); the Japanese (red); the Han (yellow) and the "Hui" (the name given to the Muslims at that time) (white). South Chahar, North Shanxi and Mongol Military Government each had their respective flag before merged with Mengjiang United Autonomous Government. The colors on the flag of Mengjiang is