Serbs of Bosnia and Herzegovina in 1910, the winner was Serbian National Organization. On June 28, 1914, Bosnian Serb Gavrilo Princip made international headlines after assassinating Arch Duke Francis Ferdinand in Sarajevo. This sparked World War I leading to Austria-Hungary's defeat and the incorporation of Bosnia and Herzegovina into the Kingdom of Yugoslavia. During WWI, Serbs in Bosnia were often blamed for the outbreak of the war, the assassination of Archduke Franz Ferdinand, and were subjected to persecution by the Austro-Hungarian authorities, including internment and looting of their businesses, by people who were instigated to ethnic violence. Bosnian and Herzegovinian Serbs served in Montenegrin and
Franz Joseph I of Austria of his only son and heir, Crown Prince Rudolf, in 1889, and the assassination of his wife, Empress Elisabeth, in 1898. After the Austro-Prussian War, Austria-Hungary turned its attention to the Balkans, which was a hotspot of international tension because of conflicting interests with the Russian Empire. The Bosnian Crisis was a result of Franz Joseph's annexation of Bosnia and Herzegovina in 1908, which had been occupied by his troops since the Congress of Berlin (1878). On 28 June 1914, the assassination of his nephew, Archduke Franz Ferdinand, in Sarajevo resulted in Austria-Hungary's declaration of war against the Kingdom of