Communist symbolism represents a variety of themes, including revolution, the proletariat, the peasantry, agriculture, or international solidarity.
Communist states, parties, and movements use these symbols to advance and create solidarity within their cause. These symbols often appear in yellow on a red background. The flag of the Soviet Union incorporated a yellow-outlined red star and a yellow hammer and sickle on red. The flags of Transnistria, Vietnam, China, North Korea, Angola, and Mozambique would all incorporate similar symbolism under communist rule.
In Latvia, Indonesia, Ukraine and Lithuania, communist symbols are banned and displays in public for non-educational use are considered a criminal offense.
Hammer and sickle
The hammer and sickle appears on the flags and of most communist parties around the world. Some parties have a modified version of the hammer and sickle as their symbol, most notably the Workers' Party of Korea which includes a hammer representing industrial workers, a hoe representing agricultural workers, and a brush (traditional writing-implement) representing the intelligentsia.
The hammer stands for the industrial working class and the sickle represents the agricultural workers, therefore together they represent the unity of the two groups.
The hammer and sickle were first used during the 1917 Russian Revolution, but it did not become the official symbol of the Russian Soviet Federative Socialist Republic until 1924. Since the Russian Revolution, the hammer and sickle have come to represent various communist parties and communist states.
Red star
The red five-pointed star is a symbol of the ultimate triumph of the ideas of communism on the five (inhabited, excluding Antarctica) continents of the globe. It first appeared as a military symbol in Tsarist Russia. It was then called the “Mars star,” reminiscent of Mars, the ancient Roman god of war. On January 1, 1827, the law was signed that put a five-pointed star on the epaulets of officers and generals. In 1854, the star began to be used on shoulder straps.