The Serbian Question (Serbian: Српско питање/Srpsko pitanje) refers to several periods in Serbian history and diplomatic history. * Establishment of a Serb nation-state, leading up to the Serbian Revolution. * Official recognition of Revolutionary Serbia as the Principality of Serbia. * Great Eastern Crisis (1875–78). * Pan-Slavism and Yugoslavism versus Pan-Serbism, in the Kingdom of Serbia and Serb community in Austria-Hungary. * Serb unification in the Balkan Wars and World War I, and Austrian thwarting of Serbian expansion and influence. * Creation of the Serbian Banovina in the Kingdom of Yugoslavia in 1940. * Status of Serbia (and Serbs) within SFR Yugoslavia. * Serb unification in the Yugoslav Wars.