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 Joseph Franz of Austria place of his siblings Marie Louise, Duchess of Parma, Ferdinand I of Austria, Archduchess Marie Caroline of Austria, Archduchess Caroline Ludovika of Austria, Archduchess Maria Anna of Austria, Archduke Johann Nepomuk of Austria, Archduchess Amalie Theresa of Austria, and (possibly) Archduke Franz Karl of Austria. His parents, Francis II, Holy Roman Emperor and Maria Theresa of Naples and Sicily, and his great-grandmother, Maria Theresa of Austria, are also buried there. Archduke Joseph Franz of Austria Archduke Joseph Franz Leopold of Austria (9 April 1799 – 30 June 1807) was the second son and seventh child of Francis II, the last