Causes of World War I By tarheel4evr Jun 28, 1914 Archduke Franz Ferdinand assassinated It began with the assassination of Archduke Franz Ferdinand in Sarajevo Jul 28, 1914 Austria-Hungary declares war on serbia Aug 3, 1914 Germany declares war on france Aug 4, 1914 Britian declares war on Germany Aug 17, 1914 Russia invades East prussia Aug 23, 1914 japan declares war on germany Sep 14, 1914 first battle of Aisne begins Sep 15, 1914 the " race to the sea" treches appear Oct 14, 1914 First battle of Ypres Dec 21, 1914 First German air raid on britian
