Petar I (koning van Servië ; 1844-1921)
Karađorđević, Petar (koning van Servië)
Petar I (koning van Servië)
Peter I (koning van Servië)
Wiki: Peter I of Serbs, Croats and Slovenes also known as Peter I Karadordevic (Serbian, Croatian, Serbo-Croatian: Petar I Karadordevic, (29 June 1844 16 August 1921), also known as King Peter the Liberator, was King of Serbia from 1903 to 1918 after which he became the first King of Serbs, Croats and Slovenes.