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
Archduke Franz Ferdinand of Austria Duke of Teschen. Franz began to visit Archduke Friedrich's villa in Pressburg (now Bratislava), and in turn Sophie wrote to Franz Ferdinand during his convalescence from tuberculosis on the island of Lošinj in the Adriatic. They kept their relationship a secret, until it was discovered by Isabella herself. To be eligible to marry a member of the imperial House of Habsburg, one had to be a member of one of the reigning or formerly reigning dynasties of Europe. The Choteks were not one of these families, although they did include among their ancestors, in the female line, princes of Baden,