The Guns of August Addressed is prewar military planning, as done by the major powers in Europe. Included are the German Schlieffen plan, France's offensive Plan XVII, joint British and French arrangements, and Russia's approach to a future European war. "Outbreak" starts with a short introduction, which briefly mentions the event that triggered World War I. On June 28, 1914, in Sarajevo, Gavrilo Princip, a Serbian nationalist, assassinated the heir apparent to the throne of Austria-Hungary, the Archduke Franz Ferdinand and his wife Sophie, Duchess of Hohenberg. European-wide diplomacy and military preparations during July are then referenced. Chapters 6 to 9 commence with August
Archduke Peter Ferdinand of Austria Alexander von Krobatin. Peter Ferdinand married Princess Maria Cristina of Bourbon-Two Sicilies, daughter of Prince Alfonso, Count of Caserta and his wife Princess Antonietta of Bourbon-Two Sicilies, on 8 November 1900 in Cannes, France. They had issue: Archduke Peter Ferdinand of Austria Archduke "Peter Ferdinand" Salvator Karl Ludwig Maria Joseph Leopold Anton Rupert Pius Pancraz of Austria, Prince of Hungary and Bohemia, Prince of Tuscany) (12 May 1874, Salzburg, Austria-Hungary – 8 November 1948, St. Gilgen, Salzburg, Austria) was an Austro-Hungarian archduke and an army commander in the Austro-Hungarian Army during World War I. He was also the titular Grand