WWi By Tom Redmond Jun 28, 1914 Assassination of Franz Ferdinand Jul 28, 1914 Austria declared war on Serbia.Germany declared war on France and implemented the schlieffen plan. Oct 18, 1914 First Battle of Ypres Oct 19, 1914 Turkey entered the war on Germany’s side. Feb 19, 1915 British forces attack Turkish forts in Dardenelle. Apr 25, 1915 Allied troops landed in Gallipoli. May 23, 1915 Italy declared war on Germany and Austria. Dec 19, 1915 Allies begin to evacuate Gallipoli. Feb 1, 1916 Start of the Battle of Verdun. Dec 7, 1916 Lloyd George becomes British Prime Minister. Apr 6, 1917 USA declared war on Germany. Nov 6, 1917 Britain launched major offensive attack on the Western Front. Dec 9, 1917 Britain captured Jerusalem. Mar 21, 1918 Germany broke through on the somme. Apr 9, 1918 Germany started an offensive in flanders. Oct 30, 1918 Turkey made peace. Nov 3, 1918 Austria made peace. Nov 11, 1918 Germany signed an armistice with the allies. Jun 28, 1919 Treaty of Versailles is signed by Germany.