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
Marijan Varešanin big encouragement to Gavrilo Princip. Princip visited Žerajić's grave where he promised to take a revenge, which he did by killing Archduke Franz Ferdinand in Sarajevo on 28 June 1914. Even though the assassination attempt was a failure, Varešanin started to think about his retirement. On 10 May 1911 his request for dismissal as governor was accepted and he was replaced by Oskar Potiorek. On 10 July 1911 he officially entered into a retirement after 45 years of service. Marijan Varešanin Marijan Varešanin von Varesch (1 February 1847 – 22 April 1917) was Governor of Bosnia and Herzegovina from 1909