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 jumped into the Miljacka river. Čabrinović's suicide attempt failed, as the old cyanide only induced vomiting, and the Miljacka was only 13 cm deep due to the hot, dry summer. Police dragged Čabrinović out of the river, and he was severely beaten by the crowd before being taken into custody. The procession sped away towards the Town Hall leaving the disabled car behind. Cvjetko Popović, Gavrilo Princip, and Trifun Grabež failed to act as the motorcade passed them at high speed. Arriving at the Town Hall for a scheduled reception, Franz Ferdinand showed understandable signs of stress, interrupting a prepared