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5th Battle of Ypres
Part of the Western Front of World War I
Western front 1918 allied.jpg
Map of the final Allied offensives on the Western Front, 1918
Date28 September – 2 October 1918
LocationYpres, Belgium to Ghent, Belgium
Result Allied victory
 United Kingdom
 United States

 German Empire

  •  Baden
  •  Bavaria
  •  Prussia
  •  Saxony
  •  Württemberg
Commanders and leaders
Belgium King Albert I
France Jean Degoutte
United Kingdom Herbert Plumer
German Empire Erich Ludendorff
German Empire Crown Prince Rupprecht
German Empire Sixt von Armin
German Empire Ferdinand von Quast
28 divisions 16 divisions
Casualties and losses
United Kingdom 4,685
Belgium 4,500
10,000 captured, 300 guns, 600 machine-guns

The Fifth Battle of Ypres (also known as the Advance of Flanders and the Battle of the Peaks of Flanders (French language: Bataille des Crêtes de Flandres)) is the unofficial name used to identify a series of battles in northern France and southern Belgium from late September through October 1918.[1]


After the German Spring Offensive of 1918 was stopped, German morale waned and the increasing numbers of American soldiers arriving on the Western Front gave the Allies a growing advantage over the German forces. To take advantage of this Marshal Ferdinand Foch developed a strategy which became known as the Grand Offensive in which attacks were made on the German lines over as wide a front as possible.[2] Belgian, British and French forces around the Ypres Salient were to form the northern pincer of an offensive towards the Belgian city of Liège.[3] The British Second Army had followed up some minor withdrawals and had fought the Action Outtersteene Ridge on 18 August, after which the front had become quiet, resulting in Allied troops in the area being well-rested by late September.[4]


The Groupe d'Armées des Flandres (G.A.F.) attacked at 5:30 a.m. on 28 September, with 12 Belgian divisions, 10 British divisions of the Second Army and 6 French divisions of the Sixth Army under the command of King Albert I of Belgium with the French General Degoutte as Chief of Staff. The British attacked without preliminary bombardment on a 4.5-mile (7.2 km) front up to the Ypres–Zonnebeke road, from where the Belgian army attacked on a line north to Dixmude.[5] The Allied attacks quickly penetrated the German defences and advanced up to 6 miles (9.7 km). The German defence was conducted by fewer than five divisions which were swiftly driven back. Much of the ground west of Passchendaele which had been abandoned during the withdrawal of early 1918 was recaptured.[6] Rain began to fall but by the evening the British had taken Kortewilde, Zandvoorde, Kruiseecke and Becelaere; Belgian troops had captured Zonnebeke, Poelcappelle, Schaap Baillie and Houthoulst Forest.[7] On the southern flank, minor operations by three British divisions advanced to St.Yves, Messines and the ridge from Wytschaete to Hollebeke. Messines, Terhand and Dadizeele fell on 29 September and by 30 September, despite the captured ground becoming another slough, all of the high ground around Ypres had been occupied by the Allies.[8] By 1 October the left bank of the Lys had been captured up to Comines and the Belgians were beyond a line from Morslede to Staden and Dixmude. The advance continued until 2 October, when German reinforcements arrived and the offensive outran its supplies. Due to the state of the ground, 15,000 rations were delivered by parachute, from 80 Belgian and British aircraft.[9]



During this battle, the British lost 4,695 casualties, the Belgians had 4,500 "net" casualties from among 2,000 killed and 10,000 ill and wounded.[10] The Allies advanced up to 18 miles (29 km), with an average advance of 6 miles (9.7 km) and captured c. 10,000 German soldiers, 300 guns and 600 machine-guns.[11]

Subsequent operations

The offensive was continued with the Battle of Courtrai (14–19 October).[12]



  • Boraston, J. H. (1919). Sir Douglas Haig's Despatches (1920 ed.). London: Dent. OCLC 633614212. 
  • Edmonds, J. E. (1947). Military Operations France and Belgium 1918 Volume IV, 8th August – 26th September: The Franco-British Offensive (IWM & Battery Press 1993 ed.). London: HMSO. ISBN 0-89839-191-1. 
  • Edmonds, J. E.; Maxwell-Hyslop, R. (1947). Military Operations France and Belgium 1918 Volume V, 26th September – 11th November: The Advance to Victory (IWM & Battery Press 1993 ed.). London: HMSO. ISBN 0-89839-192-X. 
  • Harris, J. P.; Barr, N. (1998). Amiens to the Armistice: The BEF in the Hundred Day's Campaign, 8 August – 11 November 1918. London: Brasey's. ISBN 1-85753-149-3. 
  • Marix Evans, M. (2002). 1918: The Year of Victories. London: Arcturus. ISBN 0-572-02838-5. 
  • Sheffield, G. (2011). The Chief: Douglas Haig and the British Army. London: Aurum Press. ISBN 978-1-84513-691-8. 

Further reading

  • Marix Evans, Martin (2003). Over the Top, Great Battles of the First World War. Arcturus Publishing Limited. ISBN 1-84193-111-X.
  • Gilbert, Martin (1994). The First World War: A Complete History. Henry Holt and Company, Inc. ISBN 0-8050-1540-X
  • Wilmott, H.P. (2003). World War I. Dorling Kindersley Limited. ISBN 1-4053-0029-9.

External links

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