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
Archduke Leopold Ferdinand of Austria Archduke Leopold Ferdinand of Austria Archduke Leopold Ferdinand of Austria (2 December 1868 – 4 July 1935) was the eldest son of Ferdinand IV, Grand Duke of Tuscany, and Alice of Bourbon-Parma. In 1892 and 1893 Leopold accompanied Archduke Franz Ferdinand of Austria on a sea voyage through the Suez Canal and on to India and Australia. The relationship between the two Archdukes was extremely bad and their permanent attempts to outdo and humiliate the other one led the "Kaiser" Franz Joseph to order Leopold Ferdinand to return to Austria immediately. He left the ship in Sydney and went back