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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.
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Pictures of Persepolis club legend Hossein Kalani
Hossein Kalani: The Scholar Striker of Iranian Football Hossein Kalani (born 25 February 1944) is …