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
Article 231 of the Treaty of Versailles article—later regretted the wording used, believing it further aggravated the German people. The historical consensus is that responsibility or guilt for the war was not attached to the article. Rather, the clause was a prerequisite to allow a legal basis to be laid out for the reparation payments that were to be made. Historians have also highlighted the unintended damage created by the clause, which caused anger and resentment amongst the German population. 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