What is Kingdom of Yugoslavia?
{{Infobox former country | conventional_long_name = Yugoslavia | native_name = Југославија<br>''Jugoslavija'' | common_name = Yugoslavia | era = 20th century | life_span = 1918–1941 | p1 = Kingdom of Serbia{{!}}Serbia | flag_p1 = Flag of Serbia (1882–1918).svg | p2 = Kingdom of Montenegro{{!}}Montenegro | flag_p2 = Flag of the Kingdom of Montenegro.svg | p3 = Austro-Hungarian rule in Bosnia and Herzegovina{{!}}Austro-Hungarian Bosnia and Herzegovina | flag_p3 = Flag of Bosnia (1908-1918).svg | p4 = Kingdom of Croatia-Slavonia{{!}}Croatia-Slavonia | flag_p4 = Flag of Croatia-Slavonia.svg | p5 = Duchy of Carniola{{!}}Carniola | flag_p5 = Flag of Krain.svg | p6 = Kingdom of Dalmatia{{!}}Dalmatia | flag_p6 = Flag of the Kingdom of Dalmatia.svg | p7 = Free State of Fiume{{!}}Fiume | flag_p7 = Flag of the Free State of Fiume.svg | s1 = Territory of the Military Commander in Serbia{{!}}German-occupied Serbia | flag_s1 = Flag of the German Reich (1935–1945).svg | s2 = Italian governorate of Montenegro | flag_s2 = Flag of Montenegro (1905–1918, 1941–1944).svg | s3 = Independent State of Croatia | flag_s3 = Flag of Independent State of Croatia.svg | s4 = Kingdom of Italy | flag_s4 = Flag of Italy (1861-1946) crowned.svg | s5 = Kingdom of Bulgaria | flag_s5 = Flag of Bulgaria.svg | s6 = Kingdom of Hungary (1920–1946){{!}} Kingdom of Hungary | flag_s6 = Flag of Hungary (1915-1918, 1919-1946).svg | s7 = Italian protectorate of Albania (1939–1943){{!}}Italian protectorate of Albania | flag_s7