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
Bogdan Žerajić action brought Young Bosnia to the public attention. Žerajić's attempt of assassination had a significant influence on young people of Bosnia and Herzegovina. After this attempt new revolutionary circles were established in Sarajevo, Mostar, Tuzla and Banja Luka. An evening before the assassination of Archduke Franz Ferdinand of Austria, Gavrilo Princip, Čabrinović and Ilić visited the grave of Žerajić for the last time. Žerajić's proclamation "He who wants to live, let him die. He who wants to die, let him live", was quoted by Gavrilo Princip in one of the songs he wrote (). The official press in Bosnia and