Young Bosnia and the Battle of Kosovo. Two notable organizations are referred to in connection with Young Bosnia: Narodna Odbrana and Black Hand. During a Serbian kangaroo court in French-occupied Salonika in 1916–17, Chief of Serbian Military Intelligence Dragutin Dimitrijević Apis testified that he had organized the assassination of Archduke Franz Ferdinand of Austria, in Sarajevo on 28 June 1914, (the assassin was Gavrilo Princip). In the process, he used not only his power over elements of the Serbian military, but also the Black Hand. Leaders of the Black Hand in turn had penetrated Narodna Odbrana and used that organization to infiltrate
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