<P> The Serbian realms disappeared by the mid-16th century , torn by domestic feuds and overcome by Ottoman conquest . The success of the Serbian revolution against Ottoman rule in 1817 marked the birth of the Principality of Serbia , which achieved de facto independence in 1867 and finally gained recognition by the Great Powers in the Berlin Congress of 1878 . As a victor in the Balkan Wars of 1912 - 1913 , Serbia regained Vardar Macedonia , Kosovo and Raška ( Old Serbia ) . In late 1918 the region of Vojvodina proclaimed its secession from Austria - Hungary to unite with the pan-Slavic State of Slovenes , Croats and Serbs ; the Kingdom of Serbia joined the union on 1 December 1918 , and the country was named the Kingdom of Serbs , Croats , and Slovenes . </P>
<P> The Serbian realms disappeared by the mid-16th century , torn by domestic feuds and overcome by Ottoman conquest . The success of the Serbian revolution against Ottoman rule in 1817 marked the birth of the Principality of Serbia , which achieved de facto independence in 1867 and finally gained recognition by the Great Powers in the Berlin Congress of 1878 . As a victor in the Balkan Wars of 1912 - 1913 , Serbia regained Vardar Macedonia , Kosovo and Raška ( Old Serbia ) . In late 1918 the region of Vojvodina proclaimed its secession from Austria - Hungary to unite with the pan-Slavic State of Slovenes , Croats and Serbs ; the Kingdom of Serbia joined the union on 1 December 1918 , and the country was named the Kingdom of Serbs , Croats , and Slovenes . </P>
what country did serbia become part of after ww1
what country did serbia become part of after ww1
the Kingdom of Serbs , Croats , and Slovenes
the Kingdom of Serbs , Croats , and Slovenes