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
Historical characters in the Southern Victory Series bomb on June 28, 1914. In real history, the Archduke and his wife were assassinated on the same date, but by gunshot after failed attempts to throw bombs into their car. After the assassination, Austria-Hungary issued a number of ultimata against Serbia, which was supported by Russia. Austria-Hungary was in turn supported by Germany and the United States. Russia invoked its alliances with the United Kingdom, France, and the Confederate States, and the Great War began. Franz Ferdinand's death inspired Arthur McGregor's last failed attempt to assassinate General George Armstrong Custer in 1922. Duchess Sophie and her husband Archduke Franz