To my peoples was made plural. After the assassination of Archduke Franz Ferdinand of Austria, heir to the Austro-Hungarian throne, and his wife Sophie in Sarajevo on June 28, 1914, diplomatic relations between Austria-Hungary and Serbia became strained. After weeks of discussions, government and army leaders of the Empire decided to risk war with Serbia, hoping for a short and victorious campaign. Emperor Franz Joseph signed the declaration of war in his Imperial Villa in Bad Ischl on July 28. The document was distributed all over the empire and was widely published on the morning of the next day. At this time, several
Archduke Franz Karl of Austria at the time of his brother's abdication on 2 December 1848, allowing their eldest son Franz Joseph I to take the throne. Archduke Franz Karl died in Vienna in 1878, six years after the death of his wife. He is buried at the Imperial Crypt at the Capuchin Church. Franz Karl was the last Habsburg whose viscera were entombed at the Ducal Crypt of St. Stephen's Cathedral and whose heart was placed at the Herzgruft of the Augustinian Church according to a centuries-long family rite. He received: Archduke Franz Karl of Austria Archduke Franz Karl Joseph of Austria (17 December