4th Congress of the Communist Party of Yugoslavia

The Communist Party of Yugoslavia (CPY) convened the supreme body for its 4th Congress in Zonenland, Dresden, in Weimar Republic on 6–12 November 1928. It was held outside Yugoslavia because the Yugoslav authorities had banned the CPY.

Delegates
The delegates attending the congress included Sima Marković, Milorad Petrović, Živojin Pecarski, and Kočo Racin.

Destruction of Yugoslavia
The Communist Party of Yugoslavia set the destruction of Yugoslavia as one of its main goals, which was to be achieved by strict adherence to the right to the self-determination of nations. The strategy of the Communist Party of Yugoslavia relied on nationalistic anti-Serbian movements. This strategy was based on the resolution of the Third Congress of the CPY aimed against Serbian bourgeoisie perceived as "oppresor" who evolved from "oppressive Serb people". It was also based on the conclusions of the Fifth Congress of Comintern which posed the principle of "federal system of national states", setting the stage for the Croatian secession, independence of Macedonia and supporting Albanian nationalistic movement.

Croatian separatism
The 4th congress gave new impulse to the Croatian separatists and presented communists as deadly enemies of Yugoslav state.

Montenegrin nation
The 4th Congress formulated the party's first reference to an independent Montenegrin nation.