Serbian Partisans of the 1st Proletarian Brigade, National Liberation Army and Partisan Detachments of Yugoslavia pose for a photograph with their ZB vz. 26 light machine guns during the Belgrade Offensive. The offensive was the joint military operation in which Belgrade was liberated from the Germans by the efforts of the Soviet Army, the communist Yugoslav Partisans, and the Bulgarian People’s Army. Žarkovo, Belgrade, Serbia, Yugoslavia. 14 October 1944.