Archduke Franz Ferdinand of Austria-Este

Franz Ferdinand, Archduke of Austria-Este, was heir presumptive to the Austro-Hungarian throne from 1896, when his father Archduke Karl Ludwig died, until his own assassination in 1914. Appointed Inspector General of the Armed Forces of Austria-Hungary in 1913, he was a controversial figure within the monarchy: he favored a program of internal political reform, including a possible federalization of the empire's nationalities, and opposed Chief of the General Staff Conrad von Hotzendorf's repeated calls for a preventive war against Serbia, believing peace essential to preserving the monarchy he was to inherit. On 28 June 1914 he traveled to Sarajevo, recently annexed Bosnia and Herzegovina's capital, to observe military maneuvers; he and his wife, Sophie, Duchess of Hohenberg, were shot dead there by Gavrilo Princip, a Bosnian Serb affiliated with the Black Hand secret society (Ujedinjenje ili Smrt, Union or Death), one of six conspirators positioned along his motorcade route. Austria-Hungary's ultimatum to Serbia in the following month's July Crisis, and the alliance system that turned that crisis into a general war, make his assassination the immediate trigger of the First World War, an irony historians have noted given that the war destroyed the empire and the political program he had hoped to use his own succession to pursue.