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The Third Battle of Ypres (german: link=no, Dritte Flandernschlacht; french: link=no, Troisième Bataille des Flandres; nl, Derde Slag om Ieper), also known as the Battle of Passchendaele (), was a campaign of the
First World War World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, the United States, and the Ottoman Empire, with fightin ...
, fought by the
Allies An alliance is a relationship among people, groups, or states that have joined together for mutual benefit or to achieve some common purpose, whether or not explicit agreement has been worked out among them. Members of an alliance are called ...
against the
German Empire The German Empire (),Herbert Tuttle wrote in September 1881 that the term "Reich" does not literally connote an empire as has been commonly assumed by English-speaking people. The term literally denotes an empire – particularly a hereditary ...
. The battle took place on the Western Front, from July to November 1917, for control of the ridges south and east of the Belgian city of
Ypres Ypres ( , ; nl, Ieper ; vls, Yper; german: Ypern ) is a Belgian city and municipality in the province of West Flanders. Though the Dutch name is the official one, the city's French name is most commonly used in English. The municipality co ...
in
West Flanders ) , settlement_type = Province of Belgium , image_flag = Flag of West Flanders.svg , flag_size = , image_shield = Wapen van West-Vlaanderen.svg , shield_size = , image_map ...
, as part of a strategy decided by the Allies at conferences in November 1916 and May 1917. Passchendaele lies on the last ridge east of Ypres, from Roulers (now
Roeselare Roeselare (; french: Roulers, ; West Flemish: ''Roeseloare'') is a Belgian city and municipality in the Flemish province of West Flanders. The municipality comprises the city of Roeselare proper and the towns of Beveren, Oekene and Rumbeke. Th ...
), a junction of the
Bruges Bruges ( , nl, Brugge ) is the capital and largest City status in Belgium, city of the Provinces of Belgium, province of West Flanders in the Flemish Region of Belgium, in the northwest of the country, and the sixth-largest city of the countr ...
-(Brugge)-to-
Kortrijk Kortrijk ( , ; vls, Kortryk or ''Kortrik''; french: Courtrai ; la, Cortoriacum), sometimes known in English as Courtrai or Courtray ( ), is a Belgian City status in Belgium, city and Municipalities in Belgium, municipality in the Flemish Regio ...
railway. The station at Roulers was on the main supply route of the German 4th Army. Once Passchendaele Ridge had been captured, the Allied advance was to continue to a line from Thourout (now
Torhout Torhout (; french: Thourout; vls, Toeroet) is a city and municipality located in the Belgian province of West Flanders. The municipality comprises the city of Torhout proper, the villages of Wijnendale and Sint-Henricus, and the hamlet of De Dr ...
) to Couckelaere (
Koekelare Koekelare (; vls, Kookloare) is a municipality located in the Belgian province of West Flanders. The municipality comprises the towns of Bovekerke, Koekelare proper and Zande. On 1 January 2006 Koekelare had a total population of 8,291. The tota ...
). Further operations and a British supporting attack along the Belgian coast from Nieuport ( Nieuwpoort), combined with an amphibious landing (
Operation Hush Operation Hush was a British plan to make amphibious landings on the Belgian coast in 1917 during the First World War, supported by an attack from Nieuwpoort and the Yser bridgehead, positions which were a legacy of the Battle of the Yser in ...
), were to have reached Bruges and then the Dutch frontier. Although a general withdrawal had seemed inevitable in early October, the Germans were able to avoid one due to the resistance of the 4th Army, unusually wet weather in August, the beginning of the autumn rains in October and the diversion of British and French resources to
Italy Italy ( it, Italia ), officially the Italian Republic, ) or the Republic of Italy, is a country in Southern Europe. It is located in the middle of the Mediterranean Sea, and its territory largely coincides with the homonymous geographical re ...
. The campaign ended in November, when the Canadian Corps captured Passchendaele, apart from local attacks in December and early in the new year. The Battle of the Lys (Fourth Battle of Ypres) and the
Fifth Battle of Ypres The Fifth Battle of Ypres, also called the Advance in Flanders and the Battle of the Peaks of Flanders (french: Bataille des Crêtes de Flandres) is an informal name used to identify a series of World War I battles in northern France and southe ...
of 1918, were fought before the Allies occupied the Belgian coast and reached the Dutch frontier. A campaign in Flanders was controversial in 1917 and has remained so. The British Prime Minister,
David Lloyd George David Lloyd George, 1st Earl Lloyd-George of Dwyfor, (17 January 1863 – 26 March 1945) was Prime Minister of the United Kingdom from 1916 to 1922. He was a Liberal Party politician from Wales, known for leading the United Kingdom during t ...
, opposed the offensive, as did General
Ferdinand Foch Ferdinand Foch ( , ; 2 October 1851 – 20 March 1929) was a French general and military theorist who served as the Supreme Allied Commander during the First World War. An aggressive, even reckless commander at the First Marne, Flanders and Ar ...
, the Chief of Staff of the French Army.
Field Marshal Field marshal (or field-marshal, abbreviated as FM) is the most senior military rank, ordinarily senior to the general officer ranks. Usually, it is the highest rank in an army and as such few persons are appointed to it. It is considered as ...
Sir
Douglas Haig Field Marshal Douglas Haig, 1st Earl Haig, (; 19 June 1861 – 29 January 1928) was a senior officer of the British Army. During the First World War, he commanded the British Expeditionary Force (BEF) on the Western Front from late 1915 until ...
, commander of the British Expeditionary Force (BEF), did not receive approval for the Flanders operation from the War Cabinet until 25 July. Matters of dispute by the participants, writers and historians since 1917 include the wisdom of pursuing an offensive strategy in the wake of the
Nivelle Offensive The Nivelle offensive (16 April – 9 May 1917) was a Franco-British operation on the Western Front in the First World War which was named after General Robert Nivelle, the commander-in-chief of the French metropolitan armies, who led the offensi ...
, rather than waiting for the arrival of the American Expeditionary Force (AEF) in France. Remaining controversial are the choice of Flanders, its climate, the selection of
General A general officer is an Officer (armed forces), officer of highest military ranks, high rank in the army, armies, and in some nations' air forces, space forces, and marines or naval infantry. In some usages the term "general officer" refers t ...
Hubert Gough General Sir Hubert de la Poer Gough ( ; 12 August 1870 – 18 March 1963) was a senior officer in the British Army in the First World War. A favourite of the British Commander-in-Chief, Field Marshal Sir Douglas Haig, he experienced a meteori ...
and the Fifth Army to conduct the offensive, and debates over the nature of the opening attack and between advocates of shallow and deeper objectives. Also debated are the time between the Battle of Messines and the first Allied attack (the
Battle of Pilckem Ridge The Battle of Pilckem Ridge (31 July – 2 August 1917) was the opening attack of the Third Battle of Ypres in the First World War. The British Fifth Army, supported by the Second Army on the southern flank and the French (First Army) on the n ...
, 31 July), the extent to which the
French Army mutinies The 1917 French Army mutinies took place amongst French Army troops on the Western Front in Northern France during World War I. They started just after the unsuccessful and costly Second Battle of the Aisne, the main action in the Nivelle Offensi ...
influenced the British, the effect of the exceptional weather, the decision to continue the offensive in October and the human costs of the campaign.


Background


Flanders


1914

Belgium had been recognised in the
Treaty of London (1839) The Treaty of London of 1839, was signed on 19 April 1839 between the Concert of Europe, the United Kingdom of the Netherlands and the Kingdom of Belgium. It was a direct follow-up to the 1831 Treaty of the XVIII Articles, which the Nether ...
as a sovereign and neutral state after the secession of the southern provinces of the Netherlands in 1830. The German invasion of Belgium on 4 August 1914, in violation of Article VII of the treaty, was the British against Germany. British military operations in Belgium began with the arrival of the British Expeditionary Force (BEF) at
Mons Mons (; German and nl, Bergen, ; Walloon and pcd, Mont) is a city and municipality of Wallonia, and the capital of the province of Hainaut, Belgium. Mons was made into a fortified city by Count Baldwin IV of Hainaut in the 12th century. T ...
on 22 August. Operations in
Flanders Flanders (, ; Dutch: ''Vlaanderen'' ) is the Flemish-speaking northern portion of Belgium and one of the communities, regions and language areas of Belgium. However, there are several overlapping definitions, including ones related to culture, ...
began during the
Race to the Sea The Race to the Sea (; , ) took place from about 1914 during the First World War, after the Battle of the Frontiers () and the German advance into France. The invasion had been stopped at the First Battle of the Marne and was followed by the ...
, reciprocal attempts by the French and German armies to turn their opponents' northern flank, through
Picardy Picardy (; Picard and french: Picardie, , ) is a historical territory and a former administrative region of France. Since 1 January 2016, it has been part of the new region of Hauts-de-France. It is located in the northern part of France. Hi ...
, Artois and Flanders. On 10 October, Lieutenant-General
Erich von Falkenhayn General Erich Georg Sebastian Anton von Falkenhayn (11 September 1861 – 8 April 1922) was the second Chief of the German General Staff of the First World War from September 1914 until 29 August 1916. He was removed on 29 August 1916 after t ...
, the Chief of Staff of the (OHL, supreme army command), ordered an attack towards Dunkirk and Calais, followed by a turn south behind the Allied armies, to gain a decisive victory. On 16 October, the Belgians and some French reinforcements began the defence of western Belgium and the French
Channel Channel, channels, channeling, etc., may refer to: Geography * Channel (geography), in physical geography, a landform consisting of the outline (banks) of the path of a narrow body of water. Australia * Channel Country, region of outback Austral ...
ports, at the
Battle of the Yser The Battle of the Yser (french: Bataille de l'Yser, nl, Slag om de IJzer) was a battle of the First World War that took place in October 1914 between the towns of Nieuwpoort and Diksmuide, along a stretch of the Yser River and the Yperlee ...
. When the German offensive failed, Falkenhayn ordered the capture of
Ypres Ypres ( , ; nl, Ieper ; vls, Yper; german: Ypern ) is a Belgian city and municipality in the province of West Flanders. Though the Dutch name is the official one, the city's French name is most commonly used in English. The municipality co ...
to gain a local advantage. By 18 November, the
First Battle of Ypres The First Battle of Ypres (french: Première Bataille des Flandres; german: Erste Flandernschlacht – was a battle of the First World War, fought on the Western Front around Ypres, in West Flanders, Belgium. The battle was part of the Firs ...
had also ended in failure, at a cost of casualties. In December, the
British Admiralty The Admiralty was a department of the Government of the United Kingdom responsible for the command of the Royal Navy until 1964, historically under its titular head, the Lord High Admiral – one of the Great Officers of State. For much of it ...
began discussions with the
War Office The War Office was a department of the British Government responsible for the administration of the British Army between 1857 and 1964, when its functions were transferred to the new Ministry of Defence (MoD). This article contains text from ...
, for a combined operation to re-occupy the Belgian coast but were obliged to conform to French strategy and participate in offensives further south.


1915

Large British offensive operations in Flanders were not possible in 1915, due to a lack of resources. The Germans conducted their own Flanders offensive at the
Second Battle of Ypres During the First World War, the Second Battle of Ypres was fought from for control of the tactically important high ground to the east and south of the Flemish town of Ypres in western Belgium. The First Battle of Ypres had been fought the pr ...
(22 April – 15 May 1915), making the Ypres salient more costly to defend.
Sir Douglas Haig Field Marshal Douglas Haig, 1st Earl Haig, (; 19 June 1861 – 29 January 1928) was a senior officer of the British Army. During the First World War, he commanded the British Expeditionary Force (BEF) on the Western Front from late 1915 until ...
succeeded
Sir John French Field Marshal John Denton Pinkstone French, 1st Earl of Ypres, (28 September 1852 – 22 May 1925), known as Sir John French from 1901 to 1916, and as The Viscount French between 1916 and 1922, was a senior British Army officer. Born in Kent t ...
as Commander-in-Chief of the BEF on 19 December. A week after his appointment, Haig met Vice-Admiral Sir
Reginald Bacon Admiral Sir Reginald Hugh Spencer Bacon, (6 September 1863 – 9 June 1947) was an officer in the Royal Navy noted for his technical abilities. He was described by the First Sea Lord, Admiral Sir Jacky Fisher, as the man "acknowledged to be the ...
, who emphasised the importance of obtaining control of the Belgian coast, to end the threat posed by
German U-boats U-boats were naval submarines operated by Germany, particularly in the First and Second World Wars. Although at times they were efficient fleet weapons against enemy naval warships, they were most effectively used in an economic warfare role ...
. Haig was sceptical of a coastal operation, believing that a landing from the sea would be far more difficult than anticipated and that an advance along the coast would require so much preparation, that the Germans would have ample warning. Haig preferred an advance from Ypres, to bypass the flooded area around the Yser and the coast, before attempting a coastal attack to clear the coast to the Dutch border.


1916

Minor operations took place in the Ypres salient in 1916, some being German initiatives to distract the Allies from the preparations for the offensive at Verdun and later attempts to divert Allied resources from the Battle of the Somme. Other operations were begun by the British to regain territory or to evict the Germans from ground overlooking their positions. Engagements took place on 12 February at Boesinghe and on 14 February at Hooge and Sanctuary Wood. There were actions from and at The Bluff, April at the St Eloi Craters and the Battle of Mont Sorrel from In January 1917, the Second Army (General
Herbert Plumer Field Marshal Herbert Charles Onslow Plumer, 1st Viscount Plumer, (13 March 1857 – 16 July 1932) was a senior British Army officer of the First World War. After commanding V Corps at the Second Battle of Ypres in April 1915, he took command ...
) with the II Anzac, IX, X and VIII corps, held the Western Front in Flanders from Laventie to Boesinghe, with eleven divisions and up to two in reserve. There was much trench mortaring, mining and raiding by both sides and from January to May, the Second Army had In May, reinforcements began arriving in Flanders from the south; the II Corps headquarters and had arrived by the end of the month. In January 1916, Plumer began to plan offensives against
Messines Ridge The Battle of Messines (7–14 June 1917) was an attack by the British Second Army ( General Sir Herbert Plumer), on the Western Front, near the village of Messines (now Mesen) in West Flanders, Belgium, during the First World War. The Ni ...
,
Lille Lille ( , ; nl, Rijsel ; pcd, Lile; vls, Rysel) is a city in the northern part of France, in French Flanders. On the river Deûle, near France's border with Belgium, it is the capital of the Hauts-de-France Regions of France, region, the Pref ...
and Houthulst Forest. General Henry Rawlinson was also ordered to plan an attack from the Ypres Salient on 4 February; planning continued but the Battle of Verdun and the Battle of the Somme took up the rest of the year. In November, Haig, the French commander-in-chief
Joseph Joffre Joseph Jacques Césaire Joffre (12 January 1852 – 3 January 1931) was a French general who served as Commander-in-Chief of French forces on the Western Front from the start of World War I until the end of 1916. He is best known for regroupi ...
and the other Allies met at
Chantilly Chantilly may refer to: Places France *Chantilly, Oise, a city located in the Oise department **US Chantilly, a football club *Château de Chantilly, a historic château located in the town of Chantilly United States * Chantilly, Missou ...
. The commanders agreed on a strategy of simultaneous attacks, to overwhelm the
Central Powers The Central Powers, also known as the Central Empires,german: Mittelmächte; hu, Központi hatalmak; tr, İttifak Devletleri / ; bg, Централни сили, translit=Tsentralni sili was one of the two main coalitions that fought in ...
on the
Western Western may refer to: Places *Western, Nebraska, a village in the US *Western, New York, a town in the US *Western Creek, Tasmania, a locality in Australia *Western Junction, Tasmania, a locality in Australia *Western world, countries that id ...
,
Eastern Eastern may refer to: Transportation *China Eastern Airlines, a current Chinese airline based in Shanghai *Eastern Air, former name of Zambia Skyways *Eastern Air Lines, a defunct American airline that operated from 1926 to 1991 *Eastern Air Li ...
and
Italian Italian(s) may refer to: * Anything of, from, or related to the people of Italy over the centuries ** Italians, an ethnic group or simply a citizen of the Italian Republic or Italian Kingdom ** Italian language, a Romance language *** Regional Ita ...
fronts, by the first fortnight of February 1917. A meeting in London of the Admiralty and the General Staff urged that the Flanders operation be undertaken in 1917 and Joffre replied on 8 December, agreeing to a Flanders campaign after the spring offensive. The plan for a year of
attrition Attrition may refer to *Attrition warfare, the military strategy of wearing down the enemy by continual losses in personnel and material **War of Attrition, fought between Egypt and Israel from 1968 to 1970 **War of attrition (game), a model of agg ...
offensives on the Western Front, with the main effort to be made in the summer by the BEF, was scrapped by the new French Commander-in-Chief
Robert Nivelle Robert Georges Nivelle (15 October 1856 – 22 March 1924) was a French artillery general officer who served in the Boxer Rebellion and the First World War. In May 1916, he succeeded Philippe Pétain as commander of the French Second Army in th ...
in favour of a return to a strategy of decisive battle.


Allied strategy

Nivelle planned preliminary offensives to pin German reserves by the British at
Arras Arras ( , ; pcd, Aro; historical nl, Atrecht ) is the prefecture of the Pas-de-Calais Departments of France, department, which forms part of the regions of France, region of Hauts-de-France; before the regions of France#Reform and mergers of ...
and the French between the Somme and the
Oise Oise ( ; ; pcd, Oése) is a department in the north of France. It is named after the river Oise. Inhabitants of the department are called ''Oisiens'' () or ''Isariens'', after the Latin name for the river, Isara. It had a population of 829,419 ...
, then a French breakthrough offensive on the Aisne, followed by pursuit and exploitation. Haig had reservations and on 6 January Nivelle agreed to a proviso that if the first two parts of the operation failed to lead to a breakthrough, the operations would be stopped and the British could move their forces north for the Flanders offensive, which was of great importance to the British government. On 23 January, Haig wrote that it would take six weeks to move British troops and equipment to Flanders and on 14 March, noted that the Messines Ridge operation could begin in May. On 21 March, he wrote to Nivelle that it would take two months to prepare the offensive from Messines to Steenstraat but that the Messines operation could be ready in five or six weeks. The main French attack took place from 9 April to 9 May and failed to achieve a breakthrough. On 16 May, Haig wrote that he had divided the Flanders operation into two parts, one to take Messines Ridge and the main attack several weeks later. British determination to clear the Belgian coast took on more urgency after the Germans resumed unrestricted submarine warfare on 1 February 1917. On 1 May 1917, Haig wrote that the Nivelle Offensive had weakened the German army but that an attempt at a decisive blow would be premature. The wearing-out process would continue on a front where the Germans had no room to retreat. Even limited success would improve the tactical situation in the Ypres salient, reducing the exceptional wastage, even in quiet periods. In early May, Haig set the date for the Flanders offensive, the attack on Messines Ridge to begin on 7 June.


Kerensky offensive

The Russian army conducted the Kerensky Offensive in Galicia, to honour the agreement struck with the Allies at the Chantilly meeting of 15 to 16 November 1916. After a brief period of success from 1 to 19 July, the Russian offensive was contained by the German and Austro-Hungarian armies, which counter-attacked and forced the Russian armies to retreat. On the
Baltic Baltic may refer to: Peoples and languages * Baltic languages, a subfamily of Indo-European languages, including Lithuanian, Latvian and extinct Old Prussian *Balts (or Baltic peoples), ethnic groups speaking the Baltic languages and/or originati ...
coast from 1 to 5 September 1917, the Germans attacked with their strategic reserve of six divisions and captured
Riga Riga (; lv, Rīga , liv, Rīgõ) is the capital and largest city of Latvia and is home to 605,802 inhabitants which is a third of Latvia's population. The city lies on the Gulf of Riga at the mouth of the Daugava river where it meets the Ba ...
. In
Operation Albion Operation Albion was a World War I German air, land and naval operation against the Russian forces in October 1917 to occupy the West Estonian Archipelago. The land campaign opened with German landings at the Tagalaht bay on the island of ...
(September–October 1917), the Germans took the
islands An island (or isle) is an isolated piece of habitat that is surrounded by a dramatically different habitat, such as water. Very small islands such as emergent land features on atolls can be called islets, skerries, cays or keys. An island ...
at the mouth of the
Gulf of Riga The Gulf of Riga, Bay of Riga, or Gulf of Livonia ( lv, Rīgas līcis, et, Liivi laht) is a bay of the Baltic Sea between Latvia and Estonia. The island of Saaremaa (Estonia) partially separates it from the rest of the Baltic Sea. The main c ...
. The British and French commanders on the Western Front had to reckon on the German western army () being strengthened by reinforcements from the on the Eastern Front by late 1917. Haig wished to exploit the diversion of German forces in Russia for as long as it continued and urged the British War Cabinet to commit the maximum amount of manpower and munitions to the battle in Flanders.


Prelude


Ypres salient

Ypres is overlooked by
Kemmel Hill Kemmelberg (, ) is a hill formation in Flanders, Belgium. It is located less than a kilometer from the village of Kemmel, part of the municipality of Heuvelland in West Flanders. History The earliest settlements on the Kemmelberg date back 2.500 y ...
in the south-west and from the east by a line of low hills running south-west to north-east. Wytschaete (
Wijtschate Heuvelland () is a municipality located in the Belgian province of West Flanders. The municipality comprises the villages of Dranouter, Kemmel, De Klijte, Loker, Nieuwkerke, Westouter, Wijtschate and Wulvergem. Heuvelland is a thinly populated ...
) and Hill 60 are to the east of Verbrandenmolen, Hooge,
Polygon Wood In geometry, a polygon () is a plane figure that is described by a finite number of straight line segments connected to form a closed ''polygonal chain'' (or ''polygonal circuit''). The bounded plane region, the bounding circuit, or the two to ...
and Passchendaele (
Passendale Passendale () or Passchendaele (; obsolete spelling, retained in English; vls, Passchendoale) is a rural Belgian village in the Zonnebeke municipality of West Flanders province. It is close to the town of Ypres, situated on the hill ridge sepa ...
). The high point of the ridge is at Wytschaete, from Ypres, while at
Hollebeke Hollebeke is a Flemish village in the Belgian province of West Vlaanderen, now part of Ypres city. History In World War I, it was the site of allied heroism (like other neighbouring parts of Ypres, such as Klein Zillebeke) that won Khudadad Khan t ...
the ridge is distant and recedes to at Polygon Wood. Wytschaete is about above the plain; on the Ypres–Menin road at Hooge, the elevation is about and at Passchendaele. The rises are slight, apart from the vicinity of
Zonnebeke Zonnebeke (; vls, Zunnebeke) is a municipality located in the Belgian province of West Flanders. The municipality comprises the villages of , , Passendale, Zandvoorde and Zonnebeke proper. On January 1, 2006, Zonnebeke had a total population of ...
, which has a gradient of From Hooge and further east, the slope is near Hollebeke, it is heights are subtle and resemble a saucer lip around the city. The main ridge has spurs sloping east and one is particularly noticeable at Wytschaete, which runs south-east to Messines (
Mesen Mesen (; french: Messines, , historically used in English) is a city and municipality located in the Belgian province of West Flanders. On January 1, 2006, Mesen had a total population of 988. The total area is 3.58 km2 which gives a popu ...
) with a gentle slope on the east side and a westwards. Further south, is the muddy valley of the River Douve,
Ploegsteert Wood Ploegsteert Wood was a sector of the Western Front in Flanders in World War I, part of the Ypres Salient. It is located around the Belgian village of Ploegsteert, Wallonia. After fierce fighting in late 1914 and early 1915, Ploegsteert Wood be ...
(Plugstreet to the British) and Hill 63. West of Messines Ridge is the parallel Wulverghem (
Spanbroekmolen Spanbroekmolen is a small group of farms in Heuvelland, a municipality located in the Belgian province of West Flanders. The hamlet is sited on one of the highest points of the Messines Ridge, in between the villages of Kemmel, Wijtschate and Wulv ...
) Spur and on the east side, the Oosttaverne Spur, which is also parallel to the main ridge. The general aspect south and east of Ypres, is one of low ridges and dips, gradually flattening northwards beyond Passchendaele, into a featureless plain. Possession of the higher ground to the south and east of Ypres, gives an army ample scope for ground observation,
enfilade fire Enfilade and defilade are concepts in military tactics used to describe a military formation's exposure to enemy fire. A formation or position is "in enfilade" if weapon fire can be directed along its longest axis. A unit or position is "in de ...
and converging artillery bombardments. An occupier also has the advantage that artillery deployments and the movement of reinforcements, supplies and stores can be screened from view. The ridge had woods from Wytschaete to Zonnebeke giving good cover, some being of notable size, like Polygon Wood and those later named Battle Wood, Shrewsbury Forest and
Sanctuary Wood Sanctuary Wood is an area east of Ypres, Belgium which was the site of fighting on the Ypres Salient in World War I. Memorials * Hill 62 Memorial * Sanctuary Wood Commonwealth War Graves Commission Cemetery {{Infobox military memorial , name=Sanct ...
. In 1914, the woods usually had undergrowth but by 1917, artillery bombardments had reduced the woods to tree stumps, shattered tree trunks tangled with barbed wire and more wire festooning the ground, which was full of shell-holes; fields in the gaps between the woods were wide and devoid of cover. The main road to Ypres from
Poperinge Poperinge (; french: Poperinghe, ; vls, Poperienge) is a city and municipality located in the Belgian province of West Flanders, Flemish Region, and has a history going back to medieval times. The municipality comprises the town of Poperinge pr ...
to
Vlamertinge Vlamertinge is a village in the Belgian province of West Flanders and a borough of the city of Ypres. The village center of Vlamertinge lies just outside the city center of Ypres, along the main road N38 to the nearby town of Poperinge. In addit ...
is in a defile, easily observed from the ridge. Roads in the area were unpaved, except for the main ones from Ypres, with occasional villages and houses dotted along them. The lowland west of the ridge was a mixture of meadows and fields, with high hedgerows dotted with trees, cut by streams and a network of drainage ditches emptying into canals.


Topography

In Flanders, sands, gravels and marls predominate, covered by
silt Silt is granular material of a size between sand and clay and composed mostly of broken grains of quartz. Silt may occur as a soil (often mixed with sand or clay) or as sediment mixed in suspension with water. Silt usually has a floury feel when ...
s in places. The coastal strip is sandy but a short way into the hinterland, the ground rises towards the Vale of Ypres, which before 1914 was a flourishing market garden. Ypres is above sea level; Bixschoote to the north is at . To the east the land is at for several miles, with the Steenbeek river at near St Julien. There is a low ridge from Messines, at its highest point, running north-east past Clapham Junction at the west end of Gheluvelt plateau ( miles from Ypres at and Gheluvelt, above to Passchendaele, ( miles from Ypres at declining from there to a plain further north. Gradients vary from negligible, to at Hooge and at Zonnebeke. Underneath the soil is
London clay The London Clay Formation is a marine geological formation of Ypresian (early Eocene Epoch, c. 56–49 million years ago) age which crops out in the southeast of England. The London Clay is well known for its fossil content. The fossils from t ...
, sand and silt; according to the
Commonwealth War Graves Commission The Commonwealth War Graves Commission (CWGC) is an intergovernmental organisation of six independent member states whose principal function is to mark, record and maintain the graves and places of commemoration of Commonwealth of Nations mil ...
categories of ''sand'', ''sandy soils'' and ''well-balanced soils'', Messines ridge is well-balanced soil and the ground around Ypres is sandy soil. The ground is drained by many streams, canals and ditches, which need regular maintenance. Since 1914 much of the drainage had been destroyed, though some parts were restored by land drainage companies from England. The British considered the area drier than Loos,
Givenchy Givenchy (, ) is a French luxury fashion and perfume house. It hosts the brand of haute couture and ready-to-wear clothing, accessories, perfumes and cosmetics of Parfums Givenchy. The house of Givenchy was founded in 1952 by designer Hubert de ...
and Plugstreet Wood further south. A study of weather data recorded at Lille, from Ypres from published in 1989, showed that August was more often dry than wet, that there was a trend towards dry autumns (September–November) and that average rainfall in October had decreased since the 1860s.


British plans

Preparations for operations in Flanders began in 1915, with the doubling of the Hazebrouck–Ypres rail line and the building of a new line from Bergues to Proven, which was doubled in early 1917. Progress on roads, rail lines, railheads and spurs in the Second Army zone was continuous and by mid-1917, gave the area the most efficient supply system of the BEF. Several plans and memoranda for a Flanders offensive were produced between January 1916 and May 1917, in which the writers tried to relate the offensive resources available to the terrain and the likely German defence. In early 1916, the importance of the capture of the Gheluvelt plateau for an advance further north was emphasised by Haig and the army commanders. On 14 February 1917, Colonel
Norman MacMullen General Sir Cyril Norman MacMullen, KCB, CMG, CIE, DSO (13 December 1877 – 12 November 1944) was a British officer in the British Indian Army. Early life MacMullen was born in Delhi to Col. Frederic Wood MacMullen and Mary Eleanora Ward. M ...
of GHQ proposed that the plateau be taken by a massed tank attack, reducing the need for artillery; in April a reconnaissance by Captain
Giffard LeQuesne Martel Lieutenant-General Sir Giffard Le Quesne Martel (10 October 1889 – 3 September 1958) was a British Army officer who served in both the First and Second World Wars. Familiarly known as "Q Martel" or just "Q", he was a pioneering British milita ...
found that the area was unsuitable for tanks. On 9 February, Rawlinson, commander of the Fourth Army, suggested that Messines Ridge could be taken in one day and that the capture of the Gheluvelt plateau should be fundamental to the attack further north. He suggested that the southern attack from St Yves to Mont Sorrel should come first and that Mont Sorrel to Steenstraat should be attacked within After discussions with Rawlinson and Plumer and the incorporation of Haig's changes, Macmullen submitted his memorandum on 14 February. With amendments the memorandum became the ''GHQ 1917'' plan. A week after the Battle of Messines Ridge, Haig gave his objectives to his army commanders, the wearing out of the enemy, securing the Belgian coast and connecting with the Dutch frontier by capturing Passchendaele ridge, followed by an advance on Roulers and Operation Hush, an attack along the coast with a combined amphibious landing. If manpower and artillery were insufficient, only the first part of the plan might be fulfilled. On 30 April, Haig told Gough, the Fifth Army commander, that he would lead the Northern Operation and the coastal force, although Cabinet approval for the offensive was not granted until 21 June.


German defences

The 4th Army held a front of with three , composed of a corps headquarters and a varying complement of divisions; Group Staden, based on the headquarters of the
Guards Reserve Corps The Guards Reserve Corps (german: Garde-Reserve-Korps / Garde RK) was a corps level command of the German Army in World War I. Formation Guards Reserve Corps was formed on the outbreak of the war in August 1914 as part of the mobilisation of th ...
was added later. Group Dixmude held with four front divisions and two divisions, Group Ypres held from Pilckem to Menin Road with three front divisions and two divisions and Group held a similar length of front south of the Menin road, with three front divisions and three divisions. The divisions were stationed behind the Menin and Passchendaele ridges. About further back, were four more divisions and beyond them, another two in OHL reserve. The Germans were anxious that the British would attempt to exploit the victory of the Battle of Messines, with an advance to the Tower Hamlets spur beyond the north end of Messines Ridge. On 9 June,
Crown Prince Rupprecht Rupprecht, Crown Prince of Bavaria, Duke of Bavaria, Franconia and in Swabia, Count Palatine by (the) Rhine (''Rupprecht Maria Luitpold Ferdinand''; English: ''Robert Maria Leopold Ferdinand''; 18 May 1869 – 2 August 1955), was the last hei ...
proposed a withdrawal to the line east of Messines. Construction of defences began but was terminated after
Fritz von Loßberg Friedrich Karl "Fritz" von Loßberg (30 April 1868 – 4 May 1942) was a German colonel and later general, of the First World War. He was an operational planner, especially of defence, who served as chief of staff in the 2nd, 3rd and 4th armies ...
was appointed Chief of Staff of the 4th Army. Loßberg rejected the proposed withdrawal to the line and ordered that the front line east of the ''Oosttaverne'' line be held rigidly. The (Flanders Position) along Passchendaele Ridge, in front of the line, would become and a new position, , would run west of Menin, northwards to Passchendaele. Construction of a east of Menin northwards to Moorslede was also begun. From July 1917, the area east of Ypres was defended by the front position, the (second position), (third position), (fourth position), (fifth position) and , the sixth position (incomplete). Between the German defences lay villages such as Zonnebeke and Passchendaele, which were fortified and prepared for all-round defence. On 25 June,
Erich Ludendorff Erich Friedrich Wilhelm Ludendorff (9 April 1865 – 20 December 1937) was a German general, politician and military theorist. He achieved fame during World War I for his central role in the German victories at Liège and Tannenberg in 1914 ...
, the First Quartermaster General, suggested to Crown Prince Rupprecht that Group Ypres should withdraw to the , leaving only outposts in the . On 30 June, the army group Chief of Staff, General von Kuhl, suggested a withdrawal to the along Passchendaele ridge, meeting the old front line in the north near Langemarck and Armentières in the south. Such a withdrawal would avoid a hasty retreat from Pilckem Ridge and force the British into a time-consuming redeployment. Loßberg disagreed, believing that the British would launch a broad front offensive, that the ground east of the was easy to defend and that the Menin road ridge could be held if it was made the (point of main effort) of the German defensive system. Pilckem Ridge deprived the British of ground observation over the Steenbeek Valley, while the Germans could see the area from Passchendaele Ridge, allowing German infantry to be supported by observed artillery-fire. Loßberg's judgement was accepted and no withdrawal was made.


Battle of Messines

The first stage in the British plan was a preparatory attack on the German positions south of Ypres at Messines Ridge. The Germans on the ridge had observation over Ypres and unless it was captured, observed
enfilade Enfilade and defilade are concepts in military tactics used to describe a military formation's exposure to enemy fire. A formation or position is "in enfilade" if weapon fire can be directed along its longest axis. A unit or position is "in de ...
artillery-fire could be fired against a British attack from the salient further north. Since mid-1915, the British had been
mining Mining is the extraction of valuable minerals or other geological materials from the Earth, usually from an ore body, lode, vein, seam, reef, or placer deposit. The exploitation of these deposits for raw material is based on the economic via ...
under the German positions on the ridge and by June 1917, 21 mines had been filled with nearly of explosives. The Germans knew the British were mining and had taken counter-measures but they were surprised at the extent of the British effort. Two of the mines failed to detonate but off on 7 June, at British Summer Time. The final objectives were largely gained before dark and the British had fewer losses than the expected the initial attack. As the infantry advanced over the far edge of the ridge, German artillery and machine-guns east of the ridge opened fire and the British artillery was less able to suppress them. The attack removed the Germans from the dominating ground on the southern face of the Ypres salient, which the 4th Army had held since the First Battle of Ypres in 1914.


Battles


JulyAugust

Haig selected Gough to command the offensive on 30 April, and on 10 June Gough and the Fifth Army headquarters took over the Ypres salient north of Messines Ridge. Gough planned an offensive based on the ''GHQ 1917'' plan and the instructions he had received from Haig. Gough held meetings with his corps commanders on 6 and 16 June, where the third objective, which included the (third line), a second-day objective in earlier plans, was added to the two objectives due to be taken on the first day. A fourth objective, the red line was also given for the first day, to be attempted by fresh troops, at the discretion of divisional and corps commanders, in places where the German defence had collapsed. The attack was not planned as a breakthrough operation and , the fourth German defensive position, lay behind the front line and was not an objective on the first day. The Fifth Army plan was more ambitious than the plans devised by Rawlinson and Plumer, which had involved an advance of on the first day, by compressing their first three attacks into one day instead of three. Major-General John Davidson, Director of Operations at GHQ, wrote in a memorandum that there was "ambiguity as to what was meant by a step-by-step attack with limited objectives" and suggested reverting to a advance on the first day to increase the concentration of British artillery. Gough stressed the need to plan to exploit opportunities to take ground left temporarily undefended, more likely in the first attack, which would have the benefit of long preparation. This had not been done in earlier battles and vacant ground, there for the taking, had been re-occupied by the Germans. At the end of June, Haig added a division to II Corps (Lieutenant-General
Claud Jacob Field Marshal Sir Claud William Jacob, (21 November 1863 – 2 June 1948) was a British Indian Army officer. He served in the First World War as commander of the Dehra Dun Brigade, as General Officer Commanding 21st Division and as General Offi ...
) from the Second Army and next day, after meeting with Gough and General
Herbert Plumer Field Marshal Herbert Charles Onslow Plumer, 1st Viscount Plumer, (13 March 1857 – 16 July 1932) was a senior British Army officer of the First World War. After commanding V Corps at the Second Battle of Ypres in April 1915, he took command ...
, the Second Army commander, Haig endorsed the Fifth Army plan.


Battle of Pilckem Ridge

The British attack began at on 31 July; the attack was to commence at dawn but a layer of unbroken low cloud meant that it was still dark when the infantry advanced. The main attack, by II Corps across the Ghelveult Plateau to the south, confronted the principal German defensive concentration of artillery, ground-holding divisions () and divisions. The attack had most success on the northern flank, on the fronts of
XIV Corps 14 Corps, 14th Corps, Fourteenth Corps, or XIV Corps may refer to: * XIV Corps (Grande Armée), a unit of the Imperial French Army during the Napoleonic Wars * XIV Corps (German Empire), a unit of the Imperial German Army prior to and during World ...
and the French First Army, both of which advanced to the line of the Steenbeek river. In the centre, XVIII Corps and XIX Corps pushed forward to the line of the Steenbeek (black line) to consolidate and sent fresh troops towards the green line and on the XIX Corps front to the red line, for an advance of about . Group Ypres counter-attacked the flanks of the British break-in, supported by every artillery piece and aircraft within range, around noon. The Germans were able to drive the three British brigades back to the black line with casualties; the German advance was stopped at the black line by mud, artillery and machine-gun fire.


Capture of Westhoek

After rain delays from 2 August, II Corps attacked again on 10 August, to capture the rest of the black line (second objective) on the Gheluvelt plateau. The infantry advance succeeded but German artillery-fire and infantry counter-attacks isolated the infantry of the 18th (Eastern) Division in Glencorse Wood. At about German infantry attacked behind a smokescreen and recaptured all but the north-west corner of the wood; only the 25th Division gains on Westhoek Ridge to the north were held. Lieutenant-Colonel Albrecht von Thaer, Chief of Staff of (Group Wytschaete, the headquarters of the IX Reserve Corps), noted that casualties after in the line averaged compared to on the Somme in 1916 and that German troop morale was higher than the year before.


Battle of Hill 70

Attacks to threaten Lens and Lille were to be made by the First Army in late June near Gavrelle and Oppy, along the Souchez river. The objective was to eliminate a German salient between Avion and the west end of
Lens A lens is a transmissive optical device which focuses or disperses a light beam by means of refraction. A simple lens consists of a single piece of transparent material, while a compound lens consists of several simple lenses (''elements''), ...
, by taking reservoir Hill (Hill 65) and Hill 70. The attacks were conducted earlier than planned to use heavy and siege artillery before it was transferred to Ypres, the Souchez operation being cut back and the attack on Hill 70 postponed. The Battle of Hill 70, south of Ypres, eventually took place from 15 to 25 August. The Canadian Corps fought four divisions of the German 6th Army in the operation. The capture of Hill 70 was a costly success in which three Canadian divisions inflicted many casualties on the German divisions opposite and pinned down troops reserved for the relief of tired divisions in Flanders.
Hermann von Kuhl Hermann Josef von Kuhl (2 November 1856 – 4 November 1958) was a Prussian military officer, member of the German General Staff, and a ''Generalleutnant'' during World War I. One of the most competent commanders in the German Army, he retired ...
, chief of staff of Army Group Crown Prince Rupprecht, wrote later that it was a costly defeat and wrecked the plan for relieving fought-out (exhausted) divisions in Flanders.


Battle of Langemarck

The Battle of Langemarck was fought from the Fifth Army headquarters was influenced by the effect that delay would have on Operation Hush, which needed the high tides due at the end of August or it would have to be postponed for a month. Gough intended that the rest of the green line, just beyond the (German third line), from Polygon Wood to Langemarck, was to be captured and the Steenbeek crossed further north. In the II Corps area, the disappointment of 10 August was repeated, with the infantry managing to advance, then being isolated by German artillery and forced back to their start line by German counter-attacks, except in the 25th Division area near Westhoek. Attempts by the German infantry to advance further were stopped by British artillery-fire with many casualties. The advance further north in the XVIII Corps area retook and held the north end of St Julien and the area south-east of Langemarck, while XIV Corps captured Langemarck and the north of the Ypres–Staden railway, near the Kortebeek stream. The French First Army conformed, pushing up to the Kortebeek and St Jansbeck stream west of the northern stretch of the , where it crossed to the east side of the Kortebeek.


Local attacks

On the higher ground, the Germans continued to inflict many losses on the British divisions beyond Langemarck but on 19 August, after two fine dry days, XVIII Corps conducted a novel infantry, tank, aircraft and artillery operation. German strongpoints and pillboxes along the St Julien–Poelcappelle road in front of the were captured. On 22 August, more ground was gained by XIX and XVIII corps but the tactical disadvantage of being overlooked by the Germans continued. A II Corps attack on the Gheluvelt Plateau from 22 to 24 August, to capture Nonne Bosschen, Glencorse Wood and Inverness Copse, failed in fighting that was costly to both sides. Gough laid down a new infantry formation of skirmish lines to be followed by "worms" on 24 August and Cavan noted that pillboxes should be attacked on a broad front, to engage them simultaneously. Another general offensive intended for 25 August, was delayed by the failure of the preliminary attacks and then postponed due to more bad weather. On 27 August, II Corps tried a combined tank and infantry attack but the tanks bogged, the attack failed and Haig called a halt to operations until the weather improved.


Weather

In ''Field Marshal Earl Haig'' (1929), Brigadier-General
John Charteris Brigadier General John Charteris (1877–1946) was a British Army officer. During World War I he was the Chief of Intelligence at the British Expeditionary Force General Headquarters from 1915 to 1918. In later life he was a Unionist Party Memb ...
, the BEF Chief of Intelligence from 1915 to 1918, wrote that only the first part of which was quoted by Lloyd George (1934), Liddell Hart (1934) and Leon Wolff (1959); in a 1997 essay, John Hussey called the passage by Charteris "baffling". The BEF had set up a Meteorological Section under Ernest Gold in 1915, which by the end of 1917 had and The section predicted the warm weather and thunderstorms of 7 to 14 June; in a letter to the press of 17 January 1958, Gold wrote that the facts of the Flanders climate contradicted Charteris. In 1989, Philip Griffiths examined August weather in Flanders for the thirty years before 1916 and found that, From 1901 to 1916, records from a weather station at
Cap Gris Nez Cap Gris-Nez (literally "cape grey nose"; ) is a cape on the Côte d'Opale in the Pas-de-Calais ''département'' in northern France. The 'Cliffs of the Cape' is the closest point of France to England – from their English counterparts at ...
showed that of August days were dry and that from 1913 to 1916, there were rainless days and monthly rainfall of ; There were of rain in August 1917 and of the total fell on The month was overcast and windless, which much reduced evaporation. Divided into two ten-day and an eleven-day period, there were of rain; in the before on 31 July, fell. From on 31 July to on 4 August, there was another of rain. August 1917 had three dry days and with less than of rain. Three days were sunless and one had six minutes of sunshine; from 1 to 27 August there were of sunshine, an average of per day. Hussey wrote that the wet weather in August 1917 was exceptional, Haig had been justified in expecting little rain, swiftly dried by sunshine and breezes.


Verdun

Petain had committed the French Second Army to an attack at Verdun in mid-July, in support of the Flanders offensive. The attack was delayed, partly due to mutinies in the French army after the failure of the
Nivelle Offensive The Nivelle offensive (16 April – 9 May 1917) was a Franco-British operation on the Western Front in the First World War which was named after General Robert Nivelle, the commander-in-chief of the French metropolitan armies, who led the offensi ...
and because of a German attack at Verdun from 28 to 29 June, which captured some of the French jumping-off points. A French counter-attack on 17 July re-captured the ground, the Germans regained it on 1 August, then took ground on the east bank on 16 August. The French attacked on 20 August and by 9 September had taken Sporadic fighting continued into October, adding to the German difficulties on the Western Front and elsewhere. Ludendorff wrote No German counter-attack was possible because the local divisions had been transferred to Flanders.


September–October

The 4th Army had held on to the Gheluvelt Plateau in August but its casualties worsened the German manpower shortage. Haig transferred the main offensive effort to the Second Army on 25 August and moved the northern boundary of the Second Army closer to the Ypres–Roulers railway. More heavy artillery was sent to Flanders from the armies further south and placed opposite the Gheluvelt Plateau. Plumer continued the tactical evolution of the Fifth Army during its slow and costly progress in August. After a pause of about three weeks, Plumer intended to capture the plateau in four steps, with six-day intervals to bring forward artillery and supplies. The Second Army attacks were to remain limited and infantry brigade tactics were changed to attack the first objective with a battalion each and the final one with two battalions, the opposite of the Fifth Army practice on 31 July, to adapt to the dispersed defences being encountered between the and the . Plumer arranged for the medium and heavy artillery reinforcements reaching Flanders to be added to the creeping bombardment, which had been impossible with the amount of artillery available to the Fifth Army. The tactical changes ensured that more infantry attacked on narrower fronts, to a shallower depth than on 31 July, like the Fifth Army attacks in August. The shorter and quicker advances possible once the ground dried were intended to be consolidated on tactically advantageous ground, especially on any reverse slopes in the area, with the infantry still in contact with the artillery and aircraft, ready to repulse counter-attacks. The faster tempo of operations was intended to add to German difficulties in replacing tired divisions through the railway bottlenecks behind the German front. The pause in British attacks misled some of the German commanders and Albrecht von Thaer, the chief of staff of , wrote that it was "almost boring". Kuhl doubted that the offensive had ended but had changed his mind by 13 September; two divisions, thirteen heavy artillery batteries, twelve field batteries, three fighter squadrons and four other units of the were transferred from the 4th Army.


German tactical changes

After setting objectives distant on 31 July, the British attempted shorter advances of approximately in August but were unable to achieve these lesser objectives on the south side of the battlefield, because the rain soaked ground and poor visibility were to the advantage of the defenders. After the dry spell in early September, British advances had been much quicker and the final objective was reached a few hours after dawn, which confounded the German counter-attack divisions. Having crossed of mud, the divisions found the British already dug in, with the German forward battle zone and its weak garrison gone beyond recapture. In August, German front-line divisions had two regiments deployed in the front line, with the third regiment in reserve. The front battalions had needed to be relieved much more frequently than expected due to the power of British attacks, constant artillery-fire and the weather. Replacement units became mixed up with ones holding the front and reserve regiments had failed to intervene quickly, leaving front battalions unsupported until divisions arrived some hours later. In July and August, German counter-attack () divisions had conducted an "advance to contact during mobile operations", which had given the Germans several costly defensive successes. After the
Battle of the Menin Road Ridge The Battle of the Menin Road Ridge, sometimes called "Battle of the Menin Road", was the third British general attack of the Third Battle of Ypres in the First World War. The battle took place from 20 to 25 September 1917, in the Ypres Salient i ...
, German tactics were changed. After another defeat on 26 September, the German commanders made more tactical changes to counter the more conservative form of limited attacks adopted by the British. German counter-attacks in September had been "assaults on reinforced field positions", due to the restrained nature of British infantry advances. The fine weather in early September had greatly eased British supply difficulties, especially in ammunition and the British made time to establish a defence in depth on captured ground, protected by standing artillery barrages. The British attacked in dry, clear conditions, with more aircraft over the battlefield for counter-attack reconnaissance, contact patrol and ground-attack operations. Systematic defensive artillery-fire was forfeited by the Germans, due to uncertainty over the position of their infantry, just when the British infantry benefited from the opposite. German counter-attacks were costly failures and on 28 September, Thaer wrote that the experience was "awful" and that he did not know what to do. Ludendorff ordered the (ground holding divisions) to reinforce their front garrisons; all machine-guns, including those of the support and reserve battalions were sent into the forward zone, to form a cordon of four to eight guns every . The were reinforced by the (shock) regiments of divisions, which were moved into the artillery protective line behind the forward battle zone, to counter-attack sooner. The other regiments of the divisions were to be held back and used for a methodical counter-attack () a day or two after and for spoiling attacks as the British reorganised. More tactical changes were ordered on 30 September; operations to increase British infantry losses were to continue and gas bombardments were to be increased, weather permitting. Every effort was to be made to induce the British to reinforce their forward positions with infantry for the German artillery to bombard them. Between 26 September and 3 October, the Germans attacked at least and Operation High Storm , a (methodical counter-attack), to recapture the area around Zonnebeke was planned for 4 October.


Battle of the Menin Road Ridge

The British plan for the battle fought from included more emphasis on the use of heavy and medium artillery to destroy German concrete pill-boxes and machine-gun nests, which were more numerous in the battle zones being attacked, than behind the original July front line and to engage in more counter-battery fire. The British had and medium and guns and howitzers, more than double the quantity of artillery available at the Battle of Pilckem Ridge. Aircraft were to be used for systematic air observation of German troop movements, to avoid the failures of previous battles, where too few aircrews had been burdened with too many duties and had flown in bad weather, which made their difficulties worse. On 20 September, the Allies attacked on a front and by mid-morning had captured most of their objectives, to a depth of about . The Germans made many hasty counter-attacks (), beginning around until early evening, all of which failed to gain ground or made only a temporary penetration of the new British positions. The German defence had failed to stop a well-prepared attack made in good weather. Minor attacks took place after 20 September, as both sides jockeyed for position and reorganised their defences. A mutually-costly attack by the Germans on 25 September, recaptured pillboxes at the south western end of Polygon Wood. Next day, the German positions near the wood were swept away in the Battle of Polygon Wood.


German counter-attack, 25 September

Two regiments of the German 50th Reserve Division attacked on a front, either side of the Reutelbeek stream, supported by aircraft and and batteries of artillery, four times the usual amount for a division. The German infantry managed to advance on the flanks, about near the Menin road and north of the Reutelbeek. The infantry were supported by artillery-observation and ground-attack aircraft; a box-barrage was fired behind the British front-line, which isolated the British infantry from reinforcements and ammunition. Return-fire from the 33rd Division and the 15th Australian Brigade of the 5th Australian Division along the southern edge of Polygon Wood to the north, forced the attackers under cover around some of the pillboxes, near Black Watch Corner, at the south-western edge of Polygon Wood. German attempts to reinforce the attacking troops failed, due to British artillery observers isolating the advanced German troops with artillery barrages. Plumer ordered the attack due on 26 September to go ahead but reduced the objectives of the 33rd Division. The 98th Brigade was to advance and cover the right flank of the 5th Australian Division and the 100th Brigade was to re-capture the lost ground further south. The 5th Australian Division advance the next day began with uncertainty as to the security of its right flank; the attack of the depleted 98th Brigade was delayed and only managed to reach Black Watch Corner, short of its objectives. Reinforcements moved into the 5th Australian Division area and attacked south-westwards at noon as a silent (without artillery support) frontal attack was made from Black Watch Corner, because British troops were known to be holding out in the area. The attack succeeded by and later in the afternoon, the 100th Brigade re-took the ground lost north of the Menin road. Casualties in the 33rd Division were so great that it was relieved on 27 September by the 23rd Division, which had only been withdrawn on the night of


Battle of Polygon Wood

The Second Army altered its Corps frontages soon after the attack of 20 September, for the next effort so that each attacking division could be concentrated on a front. Roads and light railways were extended to the new front line, to allow artillery and ammunition to be moved forward. The artillery of
VIII Corps 8th Corps, Eighth Corps, or VIII Corps may refer to: * VIII Corps (Grande Armée), a unit of the Imperial French army during the Napoleonic Wars * VIII Army Corps (German Confederation) * VIII Corps (German Empire), a unit of the Imperial German Ar ...
and
IX Corps 9 Corps, 9th Corps, Ninth Corps, or IX Corps may refer to: France * 9th Army Corps (France) * IX Corps (Grande Armée), a unit of the Imperial French Army during the Napoleonic Wars Germany * IX Corps (German Empire), a unit of the Imperial Germ ...
on the southern flank, simulated preparations for attacks on Zandvoorde and Warneton. At on 26 September, five layers of barrage fired by British artillery and machine-guns began. Dust and smoke thickened the morning mist and the infantry advanced using compass bearings. Each of the three German ground-holding divisions attacked on 26 September had an division in support, twice the ratio of 20 September. No ground captured by the British was lost and German counter-attacks managed only to reach ground to which survivors of the front-line divisions had retired.


October–November


German counter-attacks, 30 September – 4 October

At on 30 September, a thick mist covered the ground and at German artillery began a bombardment between the Menin road and the Reutelbeek. At German troops emerged from the mist on an front. The attack was supported by flame-throwers and German infantry throwing smoke- and hand-grenades. The British replied with small-arms fire and bombs, forcing the Germans to retreat in confusion but a post was lost south of the Menin road, then retaken by an immediate counter-attack. SOS rockets were not seen in the mist and the British artillery remained silent. The Germans were repulsed again at but German artillery-fire continued during the day. On 1 October, at a German hurricane bombardment began from the Reutelbeek north to Polygon Wood and Black Watch Corner; by coincidence a Second Army practice barrage began at The British front line was cut off and German infantry attacked in three waves at Two determined German attacks were repulsed south of Cameron Covert, then at German troops massed near the Menin road. The German attack was defeated by small-arms fire and the British artillery, whose observers had seen the SOS rockets. The British were forced out of Cameron Covert and counter-attacked but a German attack began at the same time and the British were repulsed. Another German attack failed and the German troops dug in behind some old German barbed wire; after dark, more German attacks around Cameron Covert failed. North of the covert near Polygon Wood, deep mud smothered German shells before they exploded but they still caused many casualties. Communication with the rear was lost and the Germans attacked all day but British SOS rockets remained visible and the attacks took no ground; after dark German attacks were repulsed by another three SOS barrages. (Operation High Storm) was planned by to recapture the Tokio Spur from Zonnebeke south to Molenaarelsthoek at the eastern edge of Polygon Wood on 3 October. The attacking infantry from the 45th Reserve and the 4th Guard divisions were commanded by Major Freiherr von Schleinitz in the north and Lieutenant-Colonel Rave in the south. After the costly failure of the methodical counter-attack ( ) on 1 October, the attack was put back to 4 October, rehearsals taking place from 2 to 3 October. On the night of the German commanders had doubts about the attack but decided to proceed with the , warning the artillery to be ready to commence defensive bombardments. A contact patrol aircraft was arranged to fly over the area at


Battle of Broodseinde

On 4 October, the British began the Battle of Broodseinde to complete the capture of the Gheluvelt Plateau and occupy Broodseinde Ridge. By coincidence, the Germans sought to recapture their defences around Zonnebeke with a at the same time. The British attacked along a front and as the I Anzac Corps divisions began their advance towards Broodseinde Ridge, men were seen rising from shell-holes in no man's land and more German troops were found concealed in shell-craters. Most of the German troops of the 45th Reserve Division were overrun or retreated through the British barrage, then the Australians attacked pillboxes one-by-one and captured the village of Zonnebeke north of the ridge. When the British barrage began on Broodseinde Ridge, the Keiberg Spur and Waterdamhoek, some of the German forward headquarters staffs only realised that they were under attack when British and Australian troops appeared. As news arrived of the great success of the attack, the head of GHQ Intelligence went to the Second Army headquarters to discuss exploitation. Plumer declined the suggestion, as eight fresh German divisions were behind the battlefield, with another six beyond them. Later in the day, Plumer had second thoughts and ordered I Anzac Corps to push on to the Keiberg spur, with support from the II Anzac Corps. The II Anzac Corps commander wanted to advance north-east towards Passchendaele village but the I Anzac Corps commander preferred to wait until artillery had been brought up and supply routes improved. The X Corps commander proposed an attack northward from In de Ster into the southern flank of the Germans opposite I Anzac Corps. The 7th Division commander objected, due to uncertainty about the situation and the many casualties suffered by the 21st Division on the right flank and Plumer changed his mind again. During the morning, Gough had told the Fifth Army corps commanders to push on but when reports arrived of a repulse at 19 Metre Hill, the order was cancelled.


German defensive changes

On 7 October, the 4th Army again dispersed its troops in the front defence zone. Reserve battalions moved back behind the artillery protective line and the divisions were organised to intervene as swiftly as possible once an attack commenced, despite the risk of British artillery-fire. Counter-battery fire to suppress the British artillery was to be increased, to protect the divisions as they advanced. All of the German divisions holding front zones were relieved and an extra division brought forward, because the British advances had lengthened the front line. Without the divisions necessary for a counter-offensive south of the Gheluvelt Plateau towards Kemmel Hill, Rupprecht began to plan for a slow withdrawal from the Ypres Salient, even at the risk of uncovering German positions further north and on the Belgian coast.


Battle of Poelcappelle

The French First Army and British Second and Fifth armies attacked on 9 October, on a front, from south of Broodseinde to St Jansbeek, to advance half of the distance from Broodseinde ridge to Passchendaele, on the main front, which led to many casualties on both sides. Advances in the north of the attack front were retained by British and French troops but most of the ground taken in front of Passchendaele and on the Becelaere and Gheluvelt spurs was lost to German counter-attacks. General
William Birdwood Field Marshal William Riddell Birdwood, 1st Baron Birdwood, (13 September 1865 – 17 May 1951) was a British Army officer. He saw active service in the Second Boer War on the staff of Lord Kitchener. He saw action again in the First World War ...
later wrote that the return of heavy rain and mud sloughs was the main cause of the failure to hold captured ground. Kuhl concluded that the fighting strained German fighting power to the limit but that the German forces managed to prevent a breakthrough, although it was becoming much harder to replace losses.


First Battle of Passchendaele

The First Battle of Passchendaele on 12 October was another Allied attempt to gain ground around Passchendaele. Heavy rain and mud again made movement difficult and little artillery could be brought closer to the front. Allied troops were exhausted and morale had fallen. After a modest British advance, German counter-attacks recovered most of the ground lost opposite Passchendaele, except for an area on the right of the Wallemolen spur. North of Poelcappelle, the XIV Corps of the Fifth Army advanced along the Broembeek some way up the Watervlietbeek and the Stadenrevebeek streams and the Guards Division captured the west end of the Vijwegen spur, gaining observation over the south end of Houthulst Forest. There were casualties, including Zealanders, whom were dead or stranded in the mud of no-man's-land; it was one of the worst days in New Zealand military history. At a conference on 13 October, Haig and the army commanders agreed that attacks would stop until the weather improved and roads could be extended, to carry more artillery and ammunition forward. The offensive was to continue, to reach a suitable line for the winter and to keep German attention on Flanders, with a French attack due on 23 October and the Third Army operation south of Arras scheduled for mid-November. The battle was also costly for the Germans, who lost more than The German 195th Division at Passchendaele suffered casualties from 9 to 12 October and had to be relieved by the 238th Division. Ludendorff became optimistic that Passchendaele Ridge could be held and ordered the 4th Army to stand fast. On 18 October, Kuhl advocated a retreat as far to the east as possible; Armin and Loßberg wanted to hold on, because the ground beyond the Passchendaele watershed was untenable, even in winter.


Action of 22 October

On 22 October the 18th (Eastern) Division of XVIII Corps attacked the east end of Poelcappelle as XIV Corps to the north attacked with the 34th Division between the Watervlietbeek and Broenbeek streams and the 35th Division northwards into
Houthulst Houthulst (; vls, Oetulst, ) is a municipality located in the Belgian province of West Flanders. The municipality consists of the sub-municipalities Houthulst, Jonkershove, Klerken and Merkem. On January 1, 2006, Houthulst had a total populatio ...
Forest. The attack was supported by a regiment of the French 1st Division on the left flank of the 35th Division and was intended to obstruct a possible German counter-attack on the left flank of the Canadian Corps as it attacked Passchendaele and the ridge. The artillery of the Second and Fifth armies conducted a bombardment to simulate a general attack as a deception. Poelcappelle was captured but the attack at the junction between the 34th and 35th divisions was repulsed. German counter-attacks pushed back the 35th Division in the centre but the French attack captured all its objectives. Attacking on ground cut up by bombardments and soaked by rain, the British had struggled to advance in places and lost the ability to move quickly to outflank pillboxes. The 35th Division reached the fringe of Houthulst Forest but was outflanked and pushed back in places. German counter-attacks made after 22 October, were at an equal disadvantage and were costly failures. The German 4th Army was prevented from transferring troops away from the Fifth Army and from concentrating its artillery-fire on the Canadians as they prepared for the Second Battle of Passchendaele (26 October – 10 November 1917).


Battle of La Malmaison

After numerous requests from Haig, Petain began the Battle of La Malmaison, a long-delayed French attack on the Chemin des Dames, by the Sixth Army (General
Paul Maistre Paul André Marie Maistre, (20 June 1858 – 25 July 1922) was a highly decorated French general who fought in World War I. He graduated from Saint Cyr in 1877, first in his class. He later returned as an instructor. He was promoted to captain in ...
). The artillery preparation started on 17 October and on 23 October, the German defenders were swiftly defeated and the French advanced up to , capturing the village and fort of La Malmaison, gaining control of the Chemin des Dames ridge. The Germans lost killed or missing and along with and against casualties, fewer than a third of the German total. The Germans had to withdraw from their remaining positions on the Chemin des Dames to the north of the Ailette Valley early in November. Haig was pleased with the French success but regretted the delay, which had lessened its effect on the Flanders operations.


Second Battle of Passchendaele

The British Fifth Army undertook minor operations from to maintain pressure on the Germans and support the French attack at La Malmaison, while the Canadian Corps prepared for a series of attacks from The four divisions of the Canadian Corps had been transferred to the
Ypres Salient The Ypres Salient around Ypres in Belgium was the scene of several battles and an extremely important part of the Western front during the First World War. Ypres district Ypres lies at the junction of the Ypres–Comines Canal and the Ieperlee ...
from Lens, to capture Passchendaele and the ridge. The Canadians relieved the
II Anzac Corps The II ANZAC Corps (Second Anzac Corps) was an Australian and New Zealand First World War army corps. Formed in early 1916 in Egypt in the wake of the failed Gallipoli campaign, it initially consisted of two Australian divisions, and was sent t ...
on 18 October and found that the front line was mostly the same as that occupied by the
1st Canadian Division The 1st Canadian Division (French: ''1re Division du Canada'' ) is a joint operational command and control formation based at CFB Kingston, and falls under Canadian Joint Operations Command. It is a high-readiness unit, able to move on very short ...
in April 1915. The Canadian operation was to be three limited attacks, on 26 October 30 October and 6 November. On 26 October, the 3rd Canadian Division captured its objective at Wolf Copse, then swung back its northern flank to link with the adjacent division of the Fifth Army. The 4th Canadian Division captured its objectives but was forced slowly to retire from Decline Copse, against German counter-attacks and communication failures between the Canadian and Australian units to the south. The second stage began on 30 October, to complete the previous stage and gain a base for the final assault on Passchendaele. The attackers on the southern flank quickly captured Crest Farm and sent patrols beyond the final objective into Passchendaele. The attack on the northern flank again met with exceptional German resistance. The 3rd Canadian Division captured Vapour Farm on the corps boundary, Furst Farm to the west of Meetcheele and the crossroads at Meetcheele but remained short of its objective. During a seven-day pause, the Second Army took over another section of the Fifth Army front adjoining the Canadian Corps. Three rainless days from eased preparation for the next stage, which began on the morning of 6 November, with the 1st Canadian Division and the 2nd Canadian Division. In less than three hours, many units reached their final objectives and Passchendaele was captured. The Canadian Corps attacked on 10 November to gain control of the remaining high ground north of the village near


December


Night action of 1/2 December 1917

On 18 November the VIII Corps on the right and II Corps on the left (northern) side of the Passchendaele Salient took over from the Canadian Corps. The area was subjected to constant German artillery bombardments and its vulnerability to attack led to a suggestion by Brigadier C. F. Aspinall, that either the British should retire to the west side of the Gheluvelt Plateau or advance to broaden the salient towards Westroosebeke. Expanding the salient would make the troops in it less vulnerable to German artillery-fire and provide a better jumping off line for a resumption of the offensive in the spring of 1918. The British attacked towards Westroozebeke on the night of 1/2 December but the plan to mislead the Germans by not bombarding the German defences until eight minutes after the infantry began their advance came undone. The noise of the British assembly and the difficulty of moving across muddy and waterlogged ground had also alerted the Germans. In the moonlight, the Germans had seen the British troops when they were still away. Some ground was captured and about were taken but the attack on the redoubts failed and observation over the heads of the valleys on the east and north sides of the ridge was not achieved.


Action on the Polderhoek Spur

The attack on the Polderhoek Spur on 3 December 1917, was a local operation by the British Fourth Army (renamed from the Second Army on 8 November). Two battalions of the 2nd New Zealand Brigade of the
New Zealand Division The New Zealand Division was an infantry division of the New Zealand Expeditionary Force raised for service in the First World War. It was formed in Egypt in early 1916 when the New Zealand and Australian Division was renamed after the detachmen ...
attacked the low ridge, from which German observers could view the area from Cameron Covert to the north and the Menin road to the south-west. A New Zealand advance of on a front, would shield the area north of the Reutelbeek stream from German observers on the Gheluvelt spur. Heavy artillery bombarded the ruins of Polderhoek Château and the pillboxes in the grounds to mislead the defenders and the attack was made in daylight as a ruse to surprise the Germans, who would be under cover sheltering from the routine bombardments. Smoke and gas bombardments on the Gheluvelt and Becelaere spurs on the flanks and the infantry attack began at the same time as the "routine" bombardment. The ruse failed, some British artillery-fire dropped short on the New Zealanders and the Germans engaged the attackers with small-arms fire from Polderhoek Spur and Gheluvelt ridge. A strong west wind ruined the smoke screens and the British artillery failed to suppress the German machine-guns. New Zealand machine-gunners repulsed a counter-attack but the New Zealand infantry were short of the first objective; another attempt after dark was cancelled because of the full moon and the arrival of German reinforcements.


Aftermath


Analysis

In a German General Staff publication, it was written that "Germany had been brought near to certain destruction () by the Flanders battle of 1917". In his ''Memoirs'' of 1938, Lloyd George wrote, "Passchendaele was indeed one of the greatest disasters of the war ... No soldier of any intelligence now defends this senseless campaign ...". In 1939, G. C. Wynne wrote that the British had eventually reached Passchendaele Ridge and captured but beyond them were and . The German submarine bases on the coast had not been captured but the objective of diverting the Germans from the French further south, while they recovered from the Nivelle Offensive in April, had succeeded. In 1997, Paddy Griffith wrote that the ''bite and hold'' system kept moving until November, because the BEF had developed a workable system of offensive tactics, against which the Germans ultimately had no answer. A decade later, Jack Sheldon wrote that relative casualty figures were irrelevant, because the German army could not afford the losses or to lose the initiative by being compelled to fight another defensive battle on ground of the Allies' choosing. The Third Battle of Ypres had pinned the German army to Flanders and caused unsustainable casualties. In 2018, Jonathan Boff wrote that after the war the official historians, many of whom were former staff officers, wrote of the tactical changes after 26 September and their scrapping after the Battle of Broodseinde on 4 October, as the work of Loßberg. By blaming an individual, the rest of the German commanders were exculpated, which gave a false impression that OHL operated in a rational manner, when Ludendorff imposed another defensive scheme on 7 October. Boff wrote that this narrative was facile and that it avoided the problem faced by the Germans in late 1917. OHL had issued orders to change tactics again days before Loßberg was blamed for giving new orders to the 4th Army. Boff also doubted that all of the divisions in Flanders could act on top-down changes. The 119th Division was in the front line from 11 August to 18 October and replied that new tactics were difficult to implement due to lack of training. The tempo of British attacks and the effect of attrition meant that although six divisions were sent to the 4th Army by 10 October, they were either novice units deficient in training or veteran formations with low morale after earlier defeats; good divisions had been diluted with too many replacements. Boff wrote that the Germans consciously sought tactical changes for an operational dilemma for want of an alternative. On 2 October, Rupprecht had ordered the 4th Army HQ to avoid over-centralising command, only to find that Loßberg had issued an artillery plan detailing the deployment of individual batteries. At a British conference on 13 October, the Third Army (General
Julian Byng Field Marshal Julian Hedworth George Byng, 1st Viscount Byng of Vimy, (11 September 1862 – 6 June 1935) was a British Army officer who served as Governor General of Canada, the 12th since the Canadian Confederation. Known to friends as "Bun ...
) scheme for an attack in mid-November was discussed. Byng wanted the operations at Ypres continued, to hold German troops in Flanders. The Battle of Cambrai began on 20 November and the British breached the first two parts of the
Hindenburg Line The Hindenburg Line (German: , Siegfried Position) was a German defensive position built during the winter of 1916–1917 on the Western Front during the First World War. The line ran from Arras to Laffaux, near Soissons on the Aisne. In 1916 ...
, in the first successful mass use of
tank A tank is an armoured fighting vehicle intended as a primary offensive weapon in front-line ground combat. Tank designs are a balance of heavy firepower, strong armour, and good battlefield mobility provided by tracks and a powerful engin ...
s in a
combined arms Combined arms is an approach to warfare War is an intense armed conflict between states, governments, societies, or paramilitary groups such as mercenaries, insurgents, and militias. It is generally characterized by extreme vio ...
operation. The experience of the failure to contain the British attacks at Ypres and the drastic reduction in areas of the western front that could be considered "quiet" after the tank and artillery surprise at Cambrai, left the OHL with little choice but to return to a strategy of decisive victory in 1918. On 24 October, the Austro-German 14th Army (
Otto von Below Otto Ernst Vinzent Leo von Below (18 January 1857 – 15 March 1944) served as a Prussian general officer in the Imperial German Army during the First World War (1914–1918). He arguably became most notable for his command, along with the Aust ...
), attacked the Italian Second Army on the Isonzo at the
Battle of Caporetto The Battle of Caporetto (also known as the Twelfth Battle of the Isonzo, the Battle of Kobarid or the Battle of Karfreit) was a battle on the Italian front of World War I. The battle was fought between the Kingdom of Italy and the Central ...
and in 18 days, inflicted casualties of and In fear that Italy might be put out of the war, the French and British governments offered reinforcements. British and French troops were swiftly moved from but the diversion of resources from the BEF forced Haig to conclude the Third Battle of Ypres short of
Westrozebeke Westrozebeke is a village in the Belgian province of West Flanders. It is part of the municipality of Staden. It is located 6 miles (10 km) west of Roeselare and 9.5 miles (15 km) north-east of Ypres. It's a typical agricultural village ...
; the last substantial British attack took place on 10 November.


Casualties

Various casualty figures have been published for the Third Battle of Ypres, sometimes with acrimony; the highest estimates for British and German casualties appear to be discredited but the British claim to have taken has not been disputed. In 1940, C. R. M. F. Cruttwell recorded casualties and In the History of the Great War volume ''Military Operations....'' published in 1948, James Edmonds put British casualties and wrote that equivalent German figures were not available, estimating German losses
A. J. P. Taylor Alan John Percivale Taylor (25 March 1906 – 7 September 1990) was a British historian who specialised in 19th- and 20th-century European diplomacy. Both a journalist and a broadcaster, he became well known to millions through his televis ...
wrote in 1972 that no one believed Edmonds' "farcical calculations". Taylor put British wounded and killed at German losses at "a proportion slightly better than the Somme". In 2007, Jack Sheldon wrote that although German casualties from 1 June to 10 November a figure available in Volume III of the (Medical Report, 1934), Edmonds may not have included these data as they did not fit his case, using the phrases "creative accounting" and "cavalier handling of the facts". Sheldon wrote that the German casualties could only be brought up to by including the who were sick or treated at regimental aid posts for "minor cuts and wounds" but ''not struck off unit strength''; Sheldon wrote "it is hard to see any merit" in doing so. Leon Wolff, writing in 1958, gave German casualties as and British casualties as Wolff's British figure was refuted by
John Terraine John Alfred Terraine (15 January 1921 – 28 December 2003
''The Independent'', 23 January 2 ...
in a 1977 publication. Despite writing that casualties was the BEF total for the second half of 1917, Wolff had neglected to deduct for the Battle of Cambrai, given in the ''Official Statistics'' from which he quoted or "normal wastage", averaging month in "quiet" periods. In 1959,
Cyril Falls Cyril Bentham Falls CBE (2 March 1888 – 23 April 1971) was a 20th Century British military historian, journalist, and academic, noted for his works on the First World War. Early life Falls was born in Dublin, Ireland, on 2 March 1888, the eld ...
estimated and casualties. In his 1963 biography of Haig, Terraine accepted Edmonds' figure of casualties and agreed that German losses were at least equal to and probably greater than British, owing to the strength of British artillery and the high number of German counterattacks; he did not accept Edmonds' calculation that German losses were as high In his 1977 work, Terraine wrote that the German figure ought to be increased because their statistics were incomplete and because their data omitted some lightly wounded men, who would have been included under British casualty criteria, revising the German figure by twenty per cent, which made German casualties Prior and Wilson, in 1997, gave British losses of German casualties at just In 1997, Heinz Hagenlücke gave casualties.
Gary Sheffield Gary Antonian Sheffield (born November 18, 1968) is an American former professional baseball outfielder who played in Major League Baseball for eight teams from 1988 to 2009. He is a sports agent. For most of his career, Sheffield played right ...
wrote in 2002 that Richard Holmes guessed that both sides suffered which seemed about right to him.


Subsequent operations


Winter 1917–1918

The area to the east and south of the ruins of Passchendaele village was held by posts, those to the east being fairly habitable, unlike the southern ones; from Passchendaele as far back as Potijze, the ground was far worse. Each brigade spent four days in the front line, four in support and four in reserve. The area was quiet apart from artillery-fire and in December the weather turned cold and snowy, which entailed a great effort to prevent
trench foot Trench foot is a type of foot damage due to moisture. Initial symptoms often include tingling or itching which can progress to numbness. The feet may become red or bluish in color. As the condition worsens the feet can start to swell and sm ...
. In January, spells of freezing cold were followed by warmer periods, one beginning on 15 January with torrential rain and gale-force winds, washing away plank roads and
duckboard A boardwalk (alternatively board walk, boarded path, or promenade) is an elevated footpath, walkway, or causeway built with wooden planks that enables pedestrians to cross wet, fragile, or marshy land. They are also in effect a low type of bridge ...
tracks. Conditions in the salient improved with the completion of transport routes and the refurbishment of German pillboxes. Both sides raided and the British used night machine-gun fire and artillery barrages to great effect. On the evening of 3 March 1918, two companies of the 8th Division raided Teal Cottage, supported by a smoke and shrapnel barrage, killed many of the garrison and took six prisoners for one man wounded. A German attack on 11 March was repulsed; after that the Germans made no more attacks, keeping up frequent artillery bombardments and machine-gun fire instead. When the German armies further south began the Spring Offensive on 21 March 1918, "good" divisions in Flanders were sent south; the 29th Division was withdrawn on 9 April and transferred to the Lys.


Retreat, 1918

On 23 March, Haig ordered Plumer to make contingency plans to shorten the line and release troops for the other armies. Worn-out divisions from the south had been sent to Flanders to recuperate closer to the coast. On 11 April, Plumer authorised a withdrawal of the southern flank of the Second Army. On 12 April, the VIII Corps HQ ordered the infantry retirement to begin that night and the 59th Division was replaced by part of the 41st Division and transferred south. The II Corps had begun to withdraw its artillery at the same time as VIII Corps, on the night of 11/12 April and ordered the 36th (Ulster) and 30th divisions to conform to the VIII Corps retirement, which was complete by 13 April, with no German interference. On 13 April, Plumer agreed to a retirement in the south side of the salient to a line from Mt Kemmel to Voormezeele south of Ypres White Château east of Ypresand Pilckem Ridge. The 4th Army diary recorded that the withdrawal was discovered at Next day, at the
Battle of Merckem The Battle of the Lys, also known as the Fourth Battle of Ypres, was fought from 7 to 29 April 1918 and was part of the German spring offensive in Flanders during the World War I, First World War. It was originally planned by General Erich Lud ...
, the Germans attacked from Houthulst Forest, north-east of Ypres and captured Kippe but were forced out by Belgian counter-attacks, supported by the II Corps artillery. On the afternoon of 27 April, the south end of the Second Army outpost line was driven in near Voormezeele and another British outpost line was established north-east of the village.


Commemoration

The
Menin Gate The Menin Gate ( nl, Menenpoort), officially the Menin Gate Memorial to the Missing, is a war memorial in Ypres, Belgium, dedicated to the British and Commonwealth soldiers who were killed in the Ypres Salient of World War I and whose graves a ...
Memorial to the Missing commemorates those of all Commonwealth nations (except New Zealand and Newfoundland) who died in the Ypres Salient and have no known grave. In the case of the United Kingdom only casualties before 16 August 1917 are commemorated on the memorial. United Kingdom and New Zealand servicemen who died after that date are named on the memorial at
Tyne Cot Cemetery Tyne Cot Commonwealth War Graves Cemetery and Memorial to the Missing is a Commonwealth War Graves Commission (CWGC) burial ground for the dead of the First World War in the Ypres Salient on the Western Front (World War I), Western Front. It is th ...
. There is a New Zealand Memorial marking where New Zealand troops fought at Gravenstafel Ridge on 4 October, located on Roeselarestraat. There are numerous tributes and memorials in Australia and New Zealand to Anzac soldiers who died in the battle, including plaques at the
Christchurch Christchurch ( ; mi, Ōtautahi) is the largest city in the South Island of New Zealand and the seat of the Canterbury Region. Christchurch lies on the South Island's east coast, just north of Banks Peninsula on Pegasus Bay. The Avon River / ...
and
Dunedin Dunedin ( ; mi, Ōtepoti) is the second-largest city in the South Island of New Zealand (after Christchurch), and the principal city of the Otago region. Its name comes from , the Scottish Gaelic name for Edinburgh, the capital of Scotland. Th ...
railway stations. The Canadian Corps' participation in the Second Battle of Passchendaele is commemorated with the Passchendaele Memorial at site of the Crest Farm on the south-west fringe of Passchendaele village. One of the newest monuments to be dedicated to the fighting contribution of a group is the Celtic Cross memorial, commemorating the Scottish contribution to the fighting in Flanders during the Great War. This memorial is on Frezenberg Ridge where the 9th (Scottish) Division and the 15th (Scottish) Division fought during the Third Battle of Ypres. The monument was dedicated by
Linda Fabiani Linda Fabiani (born 14 December 1956) HonFRIAS OSSI FCIH is a Scottish politician who served as a Deputy Presiding Officer in the Scottish Parliament from 2016 to 2021. A member of the Scottish National Party (SNP), she was the Member of the ...
, the Minister for Europe of the
Scottish Parliament The Scottish Parliament ( gd, Pàrlamaid na h-Alba ; sco, Scots Pairlament) is the devolved, unicameral legislature of Scotland. Located in the Holyrood area of the capital city, Edinburgh, it is frequently referred to by the metonym Holyro ...
, during the late summer of 2007, the 90th anniversary of the battle. In July 2017 a two-day event was organised in Ypres to mark the centenary of the battle. Members of the British royal family and Prime Minister
Theresa May Theresa Mary May, Lady May (; née Brasier; born 1 October 1956) is a British politician who served as Prime Minister of the United Kingdom and Leader of the Conservative Party from 2016 to 2019. She previously served in David Cameron's cab ...
joined the ceremonies, which started in the evening of 30 July with the service at Menin Gate, followed by ceremonies at the Market Square. On the following day, a ceremony was held at Tyne Cot cemetery, headed by the
Prince of Wales Prince of Wales ( cy, Tywysog Cymru, ; la, Princeps Cambriae/Walliae) is a title traditionally given to the heir apparent to the English and later British throne. Prior to the conquest by Edward I in the 13th century, it was used by the rulers ...
.


See also

* '' Passchendaele'', a 2008 Canadian film with the battle as a backdrop.


Notes


Footnotes


References

Books * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * Journals * Newspapers * * Theses * * * Websites * *


Further reading

* * * * * * *


External links


Passchendaele – Canada's Other Vimy Ridge, Norman Leach, Canadian Military Journal

Passchendaele, original reports from The Times


{{DEFAULTSORT:Passchendaele, Battle of Conflicts in 1917 1917 in Belgium Battles of World War I involving Australia Battles of World War I involving Belgium Battles of World War I involving Canada Battles of World War I involving France Battles of World War I involving Germany Battles of World War I involving New Zealand Battles of World War I involving South Africa Battles of World War I involving the United Kingdom Battles of the Western Front (World War I) Battle honours of the Rifle Brigade Events of National Historic Significance (Canada)