World War 1 By Kaylajb97 Apr 3, 1914 Germany declares war on France Jun 28, 1914 Assassination of Archduke Franz Ferdinand and his wife Period: Jun 28, 1914 to Aug 3, 1914 World War 1 Jul 28, 1914 Austria declares war on Serbia Franz Joseph of Austria (above) declared war Jul 31, 1914 Russia announces mobilization of armed forces Aug 1, 1914 Germany declares war on Russia
