Britannica
Sources used in this answer
- Kingdom of Serbs, Croats, and Slovenes
- Croatia - From World War I to the establishment of the Kingdom of Serbs, Croats, and Slovenes
- Yugoslavia
- Serbia - From parliamentary division to royal dictatorship
- Serbia - Political process
- Serbia - The Corfu Declaration
- Serbia - Constitutional framework
- Balkans - Problems of integration
- Bosnia and Herzegovina - Political process
How was Yugoslavia originally formed?
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Yugoslavia
The historical boundaries of Yugoslavia from 1919 to 1992.
Yugoslavia was originally formed as the Kingdom of Serbs, Croats, and Slovenes on December 1, 1918. This new kingdom united the previously independent kingdoms of Serbia and Montenegro with South Slav territories from the Austro-Hungarian Empire, including Dalmatia, Croatia-Slavonia, Slovenia, Bosnia and Herzegovina, and Vojvodina. In an effort to foster a unified national identity and counter regional nationalisms, King Alexander I renamed the state Yugoslavia in 1929. This marked the beginning of the first Yugoslavia, which lasted until World War II.12