Bulgaria during World War I 28 June 1914, Gavrilo Princip, a Bosnian-Serb student and member of Young Bosnia, assassinated the heir to the Austro-Hungarian throne, the Archduke Franz Ferdinand of Austria in Sarajevo, Bosnia. This began a period of diplomatic manoeuvring between Austria-Hungary, Germany, Russia, France and Britain called the July Crisis. Wanting to end Serbian interference in Bosnia conclusively, Austria-Hungary delivered the July Ultimatum to Serbia, a series of ten demands that were intentionally meant to be unacceptable in order to precipitate a war with Serbia. When Serbia acceded to only eight of the ten demands levied against it in the ultimatum, Austria-Hungary declared
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