Causes of World War I corrective." British Diplomat Arthur Nicolson wrote in May 1914, “Since I have been at the Foreign Office I have not seen such calm waters.” On 28 June 1914, Archduke Franz Ferdinand of Austria, heir presumptive to the Austro-Hungarian throne, and his wife, Sophie, Duchess of Hohenberg, were shot dead, by two gun shots in Sarajevo by Gavrilo Princip, one of a group of six assassins (five Serbs and one Bosniak) coordinated by Danilo Ilić, a Bosnian Serb and a member of the Black Hand secret society. The assassination is significant because it was perceived by Austria-Hungary as an existential challenge
Dobroslav Jevđević secondary school in Sarajevo. There, he joined the revolutionary organisation known as Young Bosnia and became a friend of Gavrilo Princip, the assassin who killed Archduke Franz Ferdinand of Austria on 28 June 1914. The day of the assassination, Jevđević's father was arrested by the Austro-Hungarian police for his connections with the Serb revolutionary organisation "Narodna Odbrana" (National Defence). He was charged with high treason, sentenced to death by hanging in April 1916 and executed in Banja Luka. Jevđević was a successful writer and poet in his youth. He studied law at the universities of Zagreb, Belgrade, and Vienna and