Afghan revolutionary soldiers and militiamen parade after the victory of the April 1978 Revolution, which brought the Democratic Party of Afghanistan to power.
A Bulgarian painting (circa 1944) depicting a communist cavalryman slaying a Nazi hydra. The artist is Tsanko Lavrenov. It is currently on display at the Museum of Socialist Art in Sofia.
"Workers of the World, Unite!" - A portrait of Karl Marx, surrounded by verses from the Koran supporting the oppressed. Artist: Hassan Musa. Sudan, 2012.
Originally an anarchist, Victor Serge joined the Bolsheviks in January 1919 after arriving in Petrograd (Saint Petersburg) at the height of the Russian Civil War. He worked for the Comintern as a journalist, editor, and translator.