Veljko Čubrilović Veljko Čubrilović Veljko Čubrilović (Serbian Cyrillic: Вељко Чубриловић; 6 June 1886 – 3 February 1915) was a Bosnian Serb who was involved in the assassination of Archduke Franz Ferdinand of Austria. He was born in Gradiška, Bosnia and Herzegovina and became a schoolteacher in Priboj Majevički. In 1914, as a member of the Black Hand secret society, he agreed to help Gavrilo Princip, Nedeljko Čabrinović, and Trifko Grabež assassinate Archduke Franz Ferdinand. His brother, Vaso Čubrilović, was also involved in the plot. On Sunday, 28 June 1914, Franz Ferdinand and Sophie von Chotkova were assassinated by Gavrilo Princip. Princip and
Assassination of Archduke Franz Ferdinand Franz Ferdinand in Bosnia. On 21 June, Ambassador Jovanović met with Austro-Hungarian Finance Minister Bilinski. According to Serbian Military Attaché to Vienna, Colonel Lesanin, Ambassador Jovanović, spoke to Bilinski and "...stressed in general terms the risks the Archduke heir apparent might run from the inflamed public opinion in Bosnia and Serbia. Some serious personal misadventure might befall him. His journey might give rise to incidents and demonstrations that Serbia would deprecate but that would have fatal repercussions on Austro-Serbian relations." Jovanović came back from the meeting with Bilinski and told Lesanin that "...Bilinski showed no sign of attaching great importance