Example image of eyePlorer eyePlorer map for 'Spring Offensive': Western Front (World War I) World War I Materiel Division (military) Treaty of Brest-Litovsk Channel Ports Fifth Army (United Kingdom) Infiltration tactics Oskar von Hutier Stormtrooper Artillery Barrage (artillery) Georg Bruchmüller Third Army (United Kingdom) Georg von der Marwitz Otto von Below Erich Ludendorff Rupprecht, Crown Prince of Bavaria Arras Douglas Haig, 1st Earl Haig Philippe Pétain Ferdinand Foch Amiens Australia Pyrrhic victory Battle of the Somme Boulogne-sur-Mer Calais Dunkirk Hazebrouck Armentières Messines Leie British Expeditionary Force (World War I) ANZAC Salient Ypres Reims Soissons Denis Auguste Duchêne Marne (river) Battle of Belleau Wood Battle of Château-Thierry (1918) United States Army United States Marine Corps Charles Mangin Compiègne Hundred Days Offensive Eastern Front (World War I) Journey's End