Soviet Union–Yugoslavia relations
Soviet Union–Yugoslavia relations (Russian: Советско-югославские отношения; Serbo-Croatian: Odnosi Sovjetskog Saveza i Jugoslavije, Односи Совјетског Савеза и Југославије; Slovene: Odnosi med Sovjetsko zvezo in Jugoslavijo; Macedonian: Односите Советски Сојуз-Југославија) were the historical foreign relations between the Soviet Union and Yugoslavia (both the Kingdom of Yugoslavia 1918–1941 and the Socialist Federal Republic of Yugoslavia 1945–1992). Both states became defunct with the dissolution of the Soviet Union between 1988 and 1991 and the breakup of Yugoslavia between 1991 and 1992.
Source: Wikipedia — Soviet Union–Yugoslavia relations (CC BY-SA 4.0)