humanities time line By Jordie hannah Period: 1882 to 1915 The Triple Alliance Period: 1906 to 1922 The building of Dreadnoughts Period: 1908 to 1909 Annexation of Bosnia Period: 1914 to 1940 German invasion of Belgium and other invasion Period: 1914 to 1918 The Wars Period: Jun 4, 1914 to 1914 The "Blank Cheque" Period: Jun 28, 1914 to 1914 Assassination of Franz Ferdinand Period: Jun 30, 1914 to 1918 Mobilization of forces