WWI - The Great War !! By BidiaReed1 Period: Jan 1, 1914 to Dec 31, 1918 WWI - The Great War !! Jun 28, 1914 Archduke Franz Ferdinand was assasinated Jul 28, 1914 Austria declares war on Serbia Aug 1, 1914 Germany declares war on Russia Aug 4, 1914 Britian and allied countries declare war on Germany May 7, 1915 Sinking of the Lusitania May 23, 1915 Italy changed sides && declared war on Germany & Austria Apr 29, 1916 British surrenders to turkish forces Jul 1, 1916 Start of the battle of Somme Mar 21, 1917 Germany broke through Somme Apr 6, 1917 USA declared war on Germany Jul 15, 1918 Second battle of Marne Nov 11, 1918 Germany signed armistice with allies, officially ending the war
