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
Milena Mrazović and articles for European newspapers, covering important events such as the Annexation Crisis, the assassination of Archduke Franz Ferdinand, and the trial of Gavrilo Princip. Mrazović was keenly interested in ethnography. She was one of the founders of the National Museum of Bosnia-Herzegovina in 1888 and its regular benefactor. In 1889, Mrazović became the first woman to be accepted into the Anthropological Society in Vienna. In February 1896, at the invitation of the Ethnographic Society, she gave the first lecture about Bosnia-Herzegovina in Vienna. As a travel writer, Mrazović presented Bosnia-Herzegovina to the German-speaking world. Accompanied by the painter Augusta