The League of Communists of Yugoslavia, before 1952 the Communist Party of Yugoslavia, was the country's largest communist party, and the ruling party of SFR Yugoslavia. It was founded as an opposition party in the Kingdom of Serbs, Croats and Slovenes in 1919. — After initial successes in the …
Delegates of the First Congress of the Socialist Labor Party of Yugoslavia (Communists), Belgrade 1919.
Delegates of the Second Congress of the Communist Party of Yugoslavia, Vukovar 1920.
Plaque in front of modern Hotel Slavija in Slavija Square, Belgrade, commemorating the First Congress of the Socialist Labor Party of Yugoslavia (Communists), which was held in the old Hotel Slavija in 1919.