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 Ethiopia emblem is intended to represent both the diversity and unity of the country. Blue represents peace, the star represents diversity and unity, and the sun's rays symbolise prosperity. The green recalls the land, yellow stands for peace and hope, and red is symbolic of strength. The green, yellow and red were used for the flag of the Ethiopian Empire in 1914. A year after Ethiopia decisively defended itself from Italian colonization at the Battle of Adwa, Menelik II on 6 October 1897 ordered the three pennants combined in a rectangular tricolour from top to bottom of red, yellow, and green