They weren't absorbed. Kingdoms of Serbia and Montenegro finally united and they formed Kingdom of Serb, Slovens and Croats in 1918 which included their territory and most southern parts of Austria- Hungary.
They formed a new state together with other slavic people (croats, slovenes) - the kingdom SHS, which was the basis for creation of Yugoslavia.
Serbia gained independence from Montenegro on June 3, 2006, and the national soccer team was renamed on June 28 of the same year. Previous to this, Serbia existed as a nation between 1919 and 1921, but ceased to do so following the creation of the first Kingdom of Yugoslavia.
The answer to this depends on the time-frame of the question. In 1919, the answer would have been Yugoslavia, but in 2006 the answer would be Serbia (i.e. the region of Serbia became incorporated into the Nation of Serbia).
Serbs had royalty during Middle ages until invasion of Ottomans. In modern times Serbs had 3 Royal families:Obrenovici - formed during Serbian revolution by Milos Obrenovic and ruled Principality and Kingdom of Serbia until 1903 when they went extinct in coup d'etat.Karadjordjevici - also formed during Serbian revolution by Djordje Petrovic (Karadjordje). They were rulers of Serbia after 1903. They had been kings of Serbia and Yugoslavia. They were banished by communist in 1945/1946. Current head of the family is Alexander Karadjordjevic, Crown prince of Serbia and Yugoslavia.Petrovic-Njegos - oldest of the 3. They were founded in 1696 by Danilo I Petrovic-Njegos. They ruled Montenegro (Montenegrins at the time had declared themselves as Serbs living in Montenegro thus all of their rulers until current head of the family declared themselves as the Serbs) They ruled Montenegro as Vladikas (prince-bishops) and kings until 1919 when Montenegro joined Serbia and Yugoslavia. Current head of the family is Nikola II Petrovic-Njegos,Crown Prince of Montenegro.
Serbia women's national football team was created in 1919.
The cast of El regalo de reyes - 1919 includes: Manuel Montenegro Francisco Pereda
Ghost Nation was created in 1919-11.
Daydream Nation was created in 1919-07.
In the Treaty of Versailles (1919-21), Hungary became an independent country; Czechoslovakia was formed,, in the south, Bosnia, Herzegovina, and Montenegro were added to Serbia and yugoslavia was formed; Finland, Estonia, Latvia, and Lithuania were separated from the former Russian territory.
William H. Nation was born in 1919.
(Part of) The Austro-Hungarian Empire, Serbia, and Monte-Negro
1919 at the Versailles Conference
Ivan Draskoci was born on June 20, 1919, in Belgrade, Serbia, Yugoslavia.