WW1 By san230957289 1839 The treaty of London 1879 Alliance of Germany and Austria-Hungary. 1882 taly joined the alliance between Germany and Austria 1887 Germany signed the reinsurance treaty with Russia 1892 Alliance of French and Russian 1904 Agreements between British empire and France 1904 Russo-Japanese War 1907 Agreements of British Empire and the Russian Empire Jun 28, 1914 Franz Ferdinand’s death Jul 28, 1914 Austria-Hungary declares war on Serbia Aug 1, 1914 Germany declares War on Russia. Aug 3, 1914 Germany declares war on France. Aug 4, 1914 Britain declares war on Germany. Aug 6, 1914 Austria declares war on Russia Aug 23, 1914 Japan declares war on Germany Aug 25, 1914 Austria declares war on Japan. Dec 25, 1914 The christmas truce Feb 19, 1915 The battle of Gallipoli Mar 7, 1915 Sinking of the Lusitania Aug 19, 1915 sinking of the Arabic Feb 21, 1916 Battle of Verdun Mar 8, 1917 Russian revolution Apr 6, 1917 The U.S. declares war on Germany. Dec 7, 1917 The U.S. declares war on Austria-Hungary Jun 8, 1918 Woodrow Wilson’s 14 points Jun 18, 1918 The Paris Conference Jul 4, 1918 The battle of Hamel Jun 28, 1919 treaty of Versailles Sep 10, 1919 treaty of St Germain Aug 10, 1920 treaty of Sevres