Alexander I of Yugoslavia

King of Yugoslavia from 1921 to 1934

Alexander I Karađorđević (Serbo-Croatian: Александар I Карађорђевић, Aleksandar I Karađorđević, 16 December [O.S. 4 December] 1888 – 9 October 1934) 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. His thirteen-year reign was the longest of the kingdom's three monarchs. He was de facto head of state of Serbia from 1914 to 1918 and of Yugoslavia from 1918 to 1921 as regent for his father, Peter I. Born in Cetinje, Montenegro, Alexander was the second son and the fourth children of Peter and Zorka Karađorđević.

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