Austria languages. This meant in practice that the civil service would almost exclusively hire Czechs, because most middle-class Czechs spoke the German language, but not the other way around. The support of ultramontane Catholic politicians and clergy for this reform triggered the launch of the "Away from Rome" () movement, which was initiated by supporters of Schönerer and called on "German" Christians to leave the Roman Catholic Church. As the Second Constitutional Era began in the Ottoman Empire, Austria-Hungary took the opportunity to annex Bosnia and Herzegovina in 1908. The assassination of Archduke Franz Ferdinand in Sarajevo in 1914 by Bosnian
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