Serbian army's retreat through Albania June 1914, Gavrilo Princip, a Bosnian Serb student and member of Young Bosnia, assassinated the heir to the Austro-Hungarian throne, Archduke Franz Ferdinand of Austria in Sarajevo, Bosnia. The political objective of the assassination was to break the Austro-Hungarian's south-Slav provinces off from the Austro-Hungarian Empire. The assassination triggered a chain of events that embroiled Russia and the major European powers. This began a period of diplomatic manoeuvring among Austria-Hungary, Germany, Russia, France, and Britain called the July Crisis. Wanting to finally end Serbian interference in Bosnia and the Balkans, Austria-Hungary delivered the July Ultimatum to Serbia, a series of
Petar Kočić who was awarded the Nobel Prize in Literature in 1961. Kočić's cause was also taken up by South Slav nationalists such as Gavrilo Princip, the Young Bosnian who assassinated Archduke Franz Ferdinand of Austria in June 1914, precipitating the July Crisis and the outbreak of World War I. Young revolutionaries, Butler writes, "learned from Kočić's example that Bosnia could not be freed through the law and the courts." The radical land reforms advocated by Kočić only came to fruition after World War I, following the collapse of Austria-Hungary and the creation of the Kingdom of Serbs, Croats and Slovenes, which