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 Maastricht old flag was reinstated in 1994. In 1438 the flag of Maastricht is described as being as a five-pointed star on a red field, with the first historic image dating from 1545. The mentioned image was published in the "Wappenbuch von Meister IK"-book in Frankfurt am Main, Germany. However, in 1549, the flag is stated as being "yellow-white-red". In 1647, the white-star-on-red design had apparently returned when the Peace of Münster treaty was signed. The next known design is the white-red (with the upper part of the flag being white, and the lower part being red) design similar to the