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Alexander I changed the name to Yugoslavia in 1929 while Peter II was the last king
The document was the "December 1 Act" : Promulgation of the Kingdom of Serbs, Croats and Slovenes (Address of the National Council of Slovenes, Croats and Serbs, December 1, 1918). The Treaty of Versailles signed in June 1919, which ended World War 1, was an important recognition of what was then the Serbian-dominated "Kingdom of Serbs, Croats, and Slovenes." The colloquial name was Yugoslavia (land of Slavs), and the official name of the state was changed to "Kingdom of Yugoslavia" by King Alexander in 1929.
King Alexander I of Yugoslavia was born on December 16, 1888.
There is no king. It is republic, not monarchy
King Alexander of Yugoslavia's birth name is Karadjordjevic, Alexander.
King Alexander I of Yugoslavia died on October 9, 1934 at the age of 45.
King Peter II of Yugoslavia was born on September 6, 1923.
King Peter II of Yugoslavia was born on September 6, 1923.
King Alexander of Yugoslavia was born on December 16, 1888, in Cetinje, Montenegro.
King Alexander I of Yugoslavia died on October 9, 1934 at the age of 45.
King Peter II of Yugoslavia's birth name is Petar Karadjordjevic.
King Alexander I of Greece was born on August 1, 1893.