1879-1914: The Deadly Alliances In order to understand exact ly what went wr ong back in the summer of 1914 we will exam ine the key alliances that occurred bet ween 1879 and 1914. These inter locking "def ense" treaties, once tripped, would bring the mighty arm ies together on a collision course that no one could stop. Please note that not all alliances ar e listed here. There's too many and this is a histor y of the First W orld W ar, not 19th centur y Europe. The Dual Alliance 1879 to 1918 Austria-Hungary Germany Bismarck wanted to protect Austr ia -Hungary f rom possible Russian aggression. Relations bet ween Russia and Austr ia -Hungary had sour ed as a result of Russia attacking Turkey and imposing the Treaty of San Stef ano. The Austro Russian understanding of 1873 had f allen vict im to upheaval in the Balkans. In protecting Austria -Hungar y f rom Russia, Germany was looking out f or her own interests. If Austria -Hungary were ever to f all then the Russians would be at the German door. This was an actual def ensive alli ance on the part of Germany. Three Emperor's League 1881 to 1887 Austria-Hungary Germany Russia This was an attempt to restore stabilit y to eastern Europe by bringing Russia into the f old of the Dual Alliance. It was not to be successf ul as Austro -Russian problems f lared again with the Bulgarian Crisis of 1886 -7. Austro- Serbi an Alli ance 1881 to 1895 Austria-Hungary Serbia Once again Russia is the motivat ion f or an alliance. This tim e it is to tr y t o limit possible Russian inf luence in the Balkans . The Triple Alliance 1882 to 1915 Austria-Hungary Germany Italy This strategic alliance was f ormed f or the express purpose of stopping Italy f rom attacking Austria -Hungar y in the event of war with Russia. Bismarck's Reinsur ance Treat y with Russia was an attempt to avoid this seemingly inevitable war. The Austro-German -Romanian Alliance 1883 to 1916 Austria-Hungary Germany Romania Sim ilar in concept to the Serbian Alliance , this again was mot ivat ed by perceived Russian intentions in the Balkans. Those Russians! Franco-Russian Alli ance 1894 to 1917 France Russia This major last ing alliance was the Russian react ion to sever al events of the day: New German Chancellor Caprivi drops the Russian Reinsurance Treaty Germany renews The Triple Alliance Germany also gets f riendly wit h the " Mediterranean Entent e " (Britain, Italy and Spain against Russia and France) However by 1895 Germany had realised that it could prof it from its relat ions with Russia and France, and things settled down among the power s. Russo-Bulgarian Mi litary Convention 1902 to 1913 Bulgar ia Russia Bulgar ia, newly independent f rom the Ottoman Empire, allies itself with Russia in an attempt to war d off the possibi lit y of Austro -Hungarian aggression. The Entente Cordiale 1904 to 1918 France Great Britain This agreement bet ween Great Br itain and France was more a sign of healing relat ions than an act ual alliance. The Triple Alliance powers t ook note. The Anglo- Russi an Entent e 1907 to 1917 Great Britain Russia Great Britain and Russia, having settled t heir dif f erences, take this f inal step toward the Triple Ent ente. The Triple Entente 1907 to 1917 Great Britain France Russia This alliance arose from the prior ent ent es bet ween these thr ee powers and as a reaction to: W orsening relat ions bet ween Germany and Great Britain due to the Naval arms race (see Tirpit z Plan) Germany's attempt t o exploit the Russian loss of the Russo - Japanese W ar of 1905 This f inal alliance dr ew the lines f or the war that would f ollow. Germany's worst f ears of encirclement wer e realised and a two f ront war had been made a certaint y.