World War I and beyond. On 28 June 1914, Archduke Franz Ferdinand, heir presumptive to the Austro-Hungarian Empire, visited the Bosnian capital, Sarajevo. A group of six assassins (Cvjetko Popović, Gavrilo Princip, Muhamed Mehmedbašić, Nedeljko Čabrinović, Trifko Grabež, and Vaso Čubrilović) from the Yugoslavist group Mlada Bosna, supplied with arms by the Serbian Black Hand, gathered on the street where the Archduke's motorcade was to pass, with the intention of assassinating him. The political objective of the assassination was to break off Austria-Hungary's South Slav provinces, which Austria-Hungary had annexated from the Ottoman Empire, so they could be combined into a Yugoslavia. Čabrinović
Assassination of Archduke Franz Ferdinand of killing Franz Ferdinand came from a newspaper clipping he received in the mail at the end of March announcing Franz Ferdinand's planned visit to Sarajevo. He then showed the newspaper clipping to Princip and the next day they agreed they would kill Franz Ferdinand. Princip explained to the court he had already read about Franz Ferdinand's upcoming visit in German papers. Princip went on to testify that, at about the time of Easter (19 April), he wrote an allegorical letter to Ilić informing him of the plan to kill Franz Ferdinand. Grabež testified that he and Princip, also at