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 mobilized. Russia's mobilization set off full Austro-Hungarian and German mobilizations. Soon all the Great Powers except Italy had chosen sides and gone to war. Later, referring to Franz Ferdinand's assassination, Vaso Čubrilović said: "We destroyed a beautiful world that was lost forever due to the war that followed." Various countries of the former Yugoslavia, Bosniaks and Croats largely view Gavrilo Princip as a terrorist and an ethnic Serb nationalist. The 100th anniversary of the assassination was commemorated with a concert by the Vienna Philharmonic in the Sarajevo City Hall, in an event that was organized by the European Union. Austrian