Bulgaria during World War I 28 June 1914, Gavrilo Princip, a Bosnian-Serb student and member of Young Bosnia, assassinated the heir to the Austro-Hungarian throne, the Archduke Franz Ferdinand of Austria in Sarajevo, Bosnia. This began a period of diplomatic manoeuvring between Austria-Hungary, Germany, Russia, France and Britain called the July Crisis. Wanting to end Serbian interference in Bosnia conclusively, Austria-Hungary delivered the July Ultimatum to Serbia, a series of ten demands that were intentionally meant to be unacceptable in order to precipitate a war with Serbia. When Serbia acceded to only eight of the ten demands levied against it in the ultimatum, Austria-Hungary declared
Ferdinand II, Archduke of Austria Anna Juliana) became Holy Roman Empress Anna, consort of Emperor Mathias, who received his Further Austrian inheritance. He and his first wife Philippine Welser were parents of four children: On 14 May 1582, Ferdinand married his niece Anne Catherine. She was a daughter of William I, Duke of Mantua, and Eleonora of Austria, younger sister of Ferdinand. They were parents to three daughters: He had at least two illegitimate children: –With Anna von Obrizon: –With Johanna Lydl von Mayenburg: Ferdinand II, Archduke of Austria Ferdinand II, Archduke of Further Austria (Linz, 14 June 1529 – 24 January 1595, Innsbruck) was