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
János Csernoch received the red biretta from Archduke Franz Ferdinand of Austria (who was to be assassinated in Sarajevo on 28 June 1914). He was decorated with the Grand Cross of the Order of Saint Stephen in 1915. On 30 December 1916, as Primate of Hungary he crowned King Charles IV of Hungary, who was at the same time Charles I of Austria. He participated in the conclave of 1914, which elected Pope Benedict XV, and in that of 1922, which elected Pope Pius XI. He died in office in 1927. János Csernoch János Csernoch ("Slovak": Ján Černoch) S.T.D. (18 June 1852