WWI did not start in Europe.
The trigger for the war was the assassination of Archduke Franz Ferdinand of Austria , heir to the throne of Austria-Hungary , by Yugoslav nationalist Gavrilo Princip in Sarajevo on 28 June 1914 .	Austria	First Republic of Austria	Hungary	Kingdom of Hungary (192046)	Austria-Hungary	Austria-Hungary	assassination of Archduke Franz Ferdinand of Austria	assassination of Archduke Franz Ferdinand of Austria	Yugoslav nationalist	Yugoslav nationalism	Gavrilo Princip	Gavrilo Princip	Sarajevo	Sarajevo
