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
French entry into World War I was not sincere in seeking peace. The French consensus was that war was inevitable. The war arose from conflict between two alliances: the Triple Alliance of Germany, Austria and Italy, and the Triple Entente of France, Russia and Britain. France had had a military alliance with Russia since 1894, designed primarily to neutralize the German threat to both countries. Germany had a military alliance with Austria-Hungary. In June 1914, Archduke Franz Ferdinand, the heir to the Austrian throne, was assassinated. The government of Austria decided to destroy Serbia once and for all, for stirring up trouble among ethnic Slavs. Berlin