The Assssination of Archduke Ferdinand By facebooker_100003247414169 Oct 7, 1879 Germany and Austria Hungary form "Dual Alliance" May 18, 1882 Italy joins Austria Hungary and Germany to form Triple Alliance Jun 18, 1887 Germany signs Reinsurance Treaty with Russia Jan 1, 1890 Germany begins shipbuilding program to challenge Britain Mar 18, 1890 Kaiser Wilhelm II allows Reinsurance Treaty to expire Jan 4, 1894 France and Russia form Dual Alliance Aug 31, 1907 Britain, France, and Russia form Triple Entente Oct 6, 1908 Austria annexes Bosnia and Herzegovina Oct 6, 1908 Serbia is outraged by the annexation Jun 16, 1912 Germany and Russia conflict in second Balkan crisis over land Jun 28, 1914 Assassination of Archduke Ferdinand Jul 5, 1914 Germany offers Austria Hungary its firm support.
