July Crisis reason for armed conflict, the dispute between Serbia and Austria-Hungary over the murdered heir, had already become a sidenote to a general European war. Austria-Hungary had annexed Bosnia and Herzegovina in 1908. Sarajevo was the provincial capital. Oskar Potiorek was the military commander and governor of the province. Emperor Franz Joseph ordered Archduke Franz Ferdinand, heir presumptive to the Austro-Hungarian throne, to attend military exercises due to be held in Bosnia. After the exercises, on 28 June 1914, Ferdinand toured Sarajevo with his wife, Sophie. Six armed irredentists, five Serbs and one Bosnian Muslim, coordinated by Danilo Ilić, lay in
Treaty of Versailles "Versailles Conference", only the actual signing of the treaty took place at the historic palace. Most of the negotiations were in Paris, with the "Big Four" meetings taking place generally at the Quai d'Orsay. On 28 June 1914 the Bosnian-Serb Gavrilo Princip assassinated the heir to the throne of Austria-Hungary, Archduke Franz Ferdinand, in the name of Serbian nationalism. This caused a diplomatic crisis, resulting in Austria-Hungary declaring war on Serbia and sparking the First World War. Due to a variety of reasons, within weeks the major powers of Europe—divided into two alliances known as the Central Powers and the