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 Vietnam the northern village of Lũng Xuyên, was unknown to the Vietnamese public before Tùng's research was published. According to a poem Tiến wrote, the red background represents blood while the yellow foreground represents "the color of our race’s skin", the five points of the star represent intellectuals, peasants, workers, traders and soldiers. Tiến's poem reads in part: <poem> ... All those of red blood and yellow skin Together we fight under the nation’s sacred flag The flag is soaked with our crimson blood, shed for the nation The yellow star is the colour of our race’s skin Stand up, quickly!