Alexander I Karađorđević, also known as Alexander the Unifier, was King of the Serbs, Croats and Slovenes from 16 August 1921 to 3 October 1929 and King of Yugoslavia from 3 October 1929 until his assassination in 1934. His 13-year reign is the longest of any of the three monarchs of the Kingdom of Yugoslavia.
Serbian King Alexander I proclaims the new constitution of the Kingdom of Serbs, Croats and Slovenes, known thereafter as the Vidovdan Constitution.
On June 28, in the year 1921, Serbian King Alexander I proclaims the new constitution of the Kingdom of Serbs, Croats and Slovenes, known thereafter as the Vidovdan Constitution. This event is recorded as a Historical Events event in the history of June 28, one of 428 recorded events on this date across all of history.
Key Facts
- This event took place on June 28, 1921 (AD era).
- It is categorised as a Historical Events event in recorded history.
- Referenced in 3 Wikipedia articles.
- Wikipedia source last updated on 16 June 2026.
On This Date in History 428
This article draws on content from Wikipedia, available under CC BY-SA 4.0.
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