world war 1 By schwebachmatt Jun 28, 1914 Assassination of Archduke Francus Ferdinand Pg819 book Jun 28, 1914 ausrailia strikes back pg819 Jun 28, 1914 austria strikes back pg819 Aug 3, 1914 Britian declared war on germany 821 Aug 14, 1914 Rusains lose on the easten front 826 Oct 17, 1914 The ottoman epmire joins the central powers 826 Jan 1, 1915 Battle of marne 822 Jan 2, 1915 posion gas 824 Feb 15, 1916 Romainia joins the allies Oct 17, 1917 Austrains and germans launch majoer attack against the italians 826