causes of world war one By smithma2 Jul 14, 1870 Bismarck released a doctored version of the Ems Telegram Sep 1, 1870 Prussian forces laid barrier to Paris Jan 1, 1871 the barrier to paris from prussians lasted until May 1, 1873 Bismarck created the THREE EMPERORS LEAGUE this tied Germany, Austria-Hungary, and Russia to each others aid in war (don't know day and month) May 1, 1878 russia droped out of THREE EMPERORS LEAGUE (don't really know day and month) May 1, 1914 Plan XVII French plan for war i dont really know the day and month this event took place Jun 28, 1914 the assassination of Archduke Franz Ferdinand Jul 28, 1914 Austria-Hungary declare war on serbia Aug 1, 1914 Germany declared war on Russia Aug 1, 1914 battle of Heligoland Aug 14, 1914 battle of mons Aug 22, 1914 battel of tannenberg Aug 23, 1914 Japan declared war on Germany Aug 30, 1914 First battle of the Marne Apr 6, 1917 United Ststes entered war
