When was Yugoslavia formed?
Creation of Yugoslavia
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Yugoslavia was a state concept among the South Slavic intelligentsia and later popular masses from the 17th to early 20th centuries that culminated in its realization after the 1918 collapse of Austria-Hungary at the end of World War I and the formation of the Kingdom of Serbs, Croats and Slovenes. However, the kingdom was better known colloquially as Yugoslavia (or similar variants); in 1929 it was formally renamed the "Kingdom of Yugoslavia".