Serbian army's retreat through Albania June 1914, Gavrilo Princip, a Bosnian Serb student and member of Young Bosnia, assassinated the heir to the Austro-Hungarian throne, Archduke Franz Ferdinand of Austria in Sarajevo, Bosnia. The political objective of the assassination was to break the Austro-Hungarian's south-Slav provinces off from the Austro-Hungarian Empire. The assassination triggered a chain of events that embroiled Russia and the major European powers. This began a period of diplomatic manoeuvring among Austria-Hungary, Germany, Russia, France, and Britain called the July Crisis. Wanting to finally end Serbian interference in Bosnia and the Balkans, Austria-Hungary delivered the July Ultimatum to Serbia, a series of
Austria-Este and the present heir is Franz, Duke of Bavaria. However, Francis V had decided to retain the Este name in the Habsburg family, and left most of his huge estate to his young cousin Archduke Franz Ferdinand of Austria, with certain conditions, one of which is that the heir and future heirs use the name of Este. The non-territorial property of the Este family thus fell to the line of Archduke Charles Louis, younger brother to then Emperor Francis Joseph, Austria-Este then becoming a sort of "secundogeniture" title within the Austrian imperial family. Although the first heir, Archduke Franz Ferdinand