Katie World War 1 By Katie O Jun 28, 1914 Francis Ferdinand assassinated at Sarajevo Period: Jun 28, 1914 to Nov 11, 1918 Worl War 1 Jul 5, 1914 Kaiser William II promised German support for Austria against Serbia Jul 28, 1914 Austria declared war om Serbia Aug 1, 1914 Germany declared war on Russia Aug 3, 1914 Germany declared war on France and invaded Belgium. Germany had to implement the Schlieffen Aug 4, 1914 Britain declared war on Germany Aug 23, 1914 The BEF started its retreat from Mons. Germany invaded France Aug 26, 1914 Russian army defeated at Tannenburg and Masurian Lakes Sep 6, 1914 Battle of the Marne started Oct 18, 1914 First Battle of Ypres Oct 29, 1914 turkey entered the war on Germany's side. Trench warfare startes to dominate the Western Front Jan 19, 1915 The first Zeppelin raid an Britain took place Feb 19, 1915 Britain bombarded Turkish forts in the Dardenelles Apr 25, 1915 Allied troops landed in Gallipoli May 7, 1915 The "Luisitania" was sunk by a german U-boat May 23, 1915 Italy declared war on Germany and Austria May 23, 1915 Italy declared war on Germany and Austria Aug 5, 1915 The Germans captured Warsaw from the Russians Sep 25, 1915 Start of the Battle of Loos Dec 19, 1915 The Allies started evacuation of Gallipoli Jan 27, 1916 Conscription introduced in Britain Feb 21, 1916 Start of the Battle of Verdun Apr 29, 1916 British forces surrenndered to Turkish forces at Kut in Mesopotamia May 31, 1916 Battle of Jutland Jun 4, 1916 Start of Brusilov Offensive Jul 1, 1916 Start of Battle of the Somme Aug 10, 1916 End of Brusilov Offensive Sep 15, 1916 First use en masse of tanks at the Somme Dec 7, 1916 Lloyd George becomes British Prime Minister Feb 1, 1917 Germany's unrestricted submarine warfare campaign started Apr 6, 1917 USA declared war on Germany Apr 16, 1917 France launched an unsuccessful offensive on the Western Front Jul 31, 1917 Start of the Third Battle at Ypres Oct 24, 1917 Battle of Caporetto- the Italian Army was heavily defeated Nov 6, 1917 Britain launched a major offensive on the western Front Nov 20, 1917 British tanks wan a victory at Cambrai Dec 5, 1917 Armistice between Germany and Russia signed Dec 9, 1917 Britain captured Jerusalem from the Turks Mar 3, 1918 The Treaty of Brest-Litovsk was signed between Russia and Germany Mar 21, 1918 Germany broke through on the Somme Mar 29, 1918 Marshall Foch was appointed Allied Commander on the Western Front Apr 9, 1918 Germany started an offensive in Flanders Jul 15, 1918 Second Battle of the Marne started. The started of the collapse of the Germany army Aug 8, 1918 The advance of the Allies was successful Sep 19, 1918 Turkish forces collapsed at Megiddo Oct 4, 1918 Germany asked the Allies for an armistice Oct 29, 1918 Germany's navy mutinied Oct 30, 1918 Turkey made peace Nov 3, 1918 Austria made peace Nov 9, 1918 Kaiser William II abdicated Nov 11, 1918 Germany signed an armistice with the Allies- the official date of the end of World War One