Causes of World War I corrective." British Diplomat Arthur Nicolson wrote in May 1914, “Since I have been at the Foreign Office I have not seen such calm waters.” On 28 June 1914, Archduke Franz Ferdinand of Austria, heir presumptive to the Austro-Hungarian throne, and his wife, Sophie, Duchess of Hohenberg, were shot dead, by two gun shots in Sarajevo by Gavrilo Princip, one of a group of six assassins (five Serbs and one Bosniak) coordinated by Danilo Ilić, a Bosnian Serb and a member of the Black Hand secret society. The assassination is significant because it was perceived by Austria-Hungary as an existential challenge
Archduke Franz Salvator of Austria 1984). Franz Salvator also had an illegitimate son by Princess Stephanie von Hohenlohe: . Archduke Franz Salvator of Austria Archduke Franz Salvator of Austria, in Italian Francesco Salvatore Maria Giuseppe Ferdinando Carlo Leopoldo Antonio di Padova Giovanni Battista Gennaro Lodovico Gonzaga Raniero Benedetto Bernardo, in German Franz Salvator Maria Joseph Ferdinand Karl Leopold Anton von Padua Johann Baptist Januarius Aloys Gonzaga Rainer Benedikt Bernhard (Altmünster, 21 August 1866 – Vienna, 20 April 1939), was a member of the Tuscan branch of the House of Habsburg. He was a son of Archduke Karl Salvator, Prince of Tuscany and his wife Princess