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
Leopold Lojka as Ferdinand's car began to pull into it. Princip seized his chance and with his Model 1910 7.65 mm FN Browning in hand he lunged through the crowd. Lojka was attempting to reverse, and Gavrilo Princip shot and killed the Archduke, shooting him in the jugular vein, and his expectant wife, in the stomach. After the assassination, Lojka was given the task of sending three telegrams of apology: one to the Austro-Hungarian Emperor Franz Joseph, one to the German Emperor Wilhelm II, and one to the children of Archduke Franz Ferdinand. He also served as a witness for the prosecution