[custom_adv]
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.
Check Also
Heydar Ghayabi, one of the important figures of architecture
Heydar Gholi Khan Ghiaei Shamloo, also known as Heydar Ghiaei, was one of the most …