Causes Of WW1 By akeloA Jan 1, 1873 Bismarck formed the three emperors league which tied together Germany, Russia, and Austria-Hungary Jan 1, 1879 Dual Alliance is formed when Russia withdraws from Triple Alliance Jan 1, 1904 Britain signed Entente Cordiale with France in 1904 May 28, 1905 Japan surprises western powers by destroying the entire Russian fleet at battle of tsushima Jan 1, 1912 War between Italy and Turkey, over the turkey's African possessions continued Jan 1, 1912 First Balkan War Jan 1, 1913 Second Balkan War Aug 10, 1913 Bulgaria surrendered on August 10, 1913, and lost Adrianople back to Turkey. Jun 28, 1914 Archduke Franz Ferdinand assasinated Period: Jun 28, 1914 to Jul 28, 1917 timespan Jul 28, 1914 Austria-Hungary declares war on Serbia