The gas used Using by the German troops at Hulluch was a mixture of chlorine and phosgene , which had first been used Using on 19 December 1915 at Wieltje , near Ypres .

The French attacked Attack Vimy Ridge and the British attacked Attack further north in the Battle of Aubers Ridge ( 9 May ) and the Battle of Festubert The battle was fought Hostile_encounter during the German offensive of the Second Battle of Ypres which the Germans ended to reinforce the Artois front .

The Capture Conquering of Wurst Farm was an attack Attack by the British 58th ( 2/1st London ) Division ( 58th Division ) against the German 36th Division on 20 September 1917 , near Ypres , Belgium , during the Battle of the Menin Road Ridge , part of the Third Battle of Ypres ( Battle of Passchendaele ) .

The Capture Conquering of Wurst Farm was an attack Attack by the British 58th ( 2/1st London ) Division ( 58th Division ) against the German 36th Division on 20 September 1917 , near Ypres , Belgium , during the Battle of the Menin Road Ridge , part of the Third Battle of Ypres ( Battle of Passchendaele ) .

The British remained on the offensive for the rest of the year fighting Hostile_encounter the battles of Messines , 3rd Ypres and Cambrai .

The Gas attacks Attack at Wulverghem ( 30 April and 17 June 1916 ) were German cloud gas releases during the First World War on British troops in the municipality of Heuvelland , near Ypres in the Belgian province of West Flanders .

The gas attacks Attack were part of the sporadic fighting Hostile_encounter between battles in the Ypres Salient on the Western Front .

The gas used Using at Wulverghem was a mixture of chlorine and phosgene , which had been used Using against British troops on 19 December 1915 in the phosgene attack Attack at Wieltje , north-east of Ypres .

This and earlier gas attacks , beginning Process_start at the Second Battle of Ypres ( 21 April – 25 May 1915 ) had given Giving the British time to replace Change_of_leadership improvised gas masks with effective mass-produced Manufacturing versions , obtain Getting other anti-gas equipment and to establish Building anti-gas procedures .

The Second Battle of Passchendaele was the culminating attack during the Third Battle of Ypres of the First World War .

The battle took place Process_start in the Ypres Salient area of the Western Front , in and around the Belgian village of Passchendaele , between 26 October and 10 November 1917 .

The victory of the Austro-German forces against the Italian Army at the Battle of Caporetto and the forthcoming Battle of Cambrai forced the British into a parallel diversion of resources from the Ypres Salient .

The First Battle Hostile_encounter of Passchendaele took place Process_start on 12 October 1917 , in the Ypres Salient of the Western Front , west of Passchendaele village .

The attack Attack was part of the Third Battle Hostile_encounter of Ypres in the First World War Hostile_encounter .

The British had planned Arranging to capture Conquering the ridges south and east of the city of Ypres as part of a strategy decided Deciding by the Allies at conferences Communication in November 1916 and May 1917 .

Passchendaele lay on the last ridge east of Ypres , from a railway junction at Roulers , which was an important part of the German 4th Army supply system .

Operation Hush was intended to begin Process_start when the main offensive at Ypres had advanced Cause_to_make_progress to Roulers , Koekelare and Thourout , linked Connect by advances by the French and Belgian armies in between .

After several postponements , Operation Hush was cancelled Change_event_time on 14 October 1917 , as the advance during the Third Battle of Ypres did not meet Come_together the objectives required to begin Process_start the attack .

From September–October 1918 , the Belgian coast was occupied Attack by the Allies during the Fifth Battle of Ypres .

After the opposing forces had reached Arriving the North Sea , both tried to conduct Action offensives leading to the mutually costly and indecisive Battle of the Yser from 16 October to 2 November and the First Battle of Ypres from 19 October to 22 November .

The Belgian army fought Defending the defensive Defending Battle of the Yser ( 16–31 October ) from Nieuwpoort ( Nieuport ) south to Diksmuide ( Dixmude ) , as the German 4th Army attacked Attack westwards and French , British and some Belgian troops fought Hostile_encounter the First Battle Hostile_encounter of Ypres ( 19 October – 22 November ) against the 4th and 6th armies .

The First Battle Hostile_encounter of Ypres ( , was a battle Hostile_encounter of the First World War Hostile_encounter , fought Hostile_encounter on the Western Front around Ypres , in West Flanders , Belgium .

The First Battle Hostile_encounter of Ypres ( , was a battle Hostile_encounter of the First World War Hostile_encounter , fought Hostile_encounter on the Western Front around Ypres , in West Flanders , Belgium .

The battles Hostile_encounter at Ypres began Process_start at the end Process_end of the Race to the Sea , reciprocal attempts by the German and Franco-British armies to advance Cause_to_make_progress past the northern flank of their opponents .

North of Ypres , the fighting Hostile_encounter continued in the Battle Hostile_encounter of the Yser between the German 4th Army , the Belgian army and French marines .

The fighting Hostile_encounter has been divided into five stages , an encounter battle Hostile_encounter from 19 to 21 October , the Battle Hostile_encounter of Langemarck from 21 to 24 October , the battles Hostile_encounter at La Bassée and Armentières to 2 November , coincident with more Allied Cause_to_amalgamate attacks Attack at Ypres and the Battle Hostile_encounter of Gheluvelt a fourth phase with the last big German offensive , which culminated Process_end at the Battle Hostile_encounter of Nonne Bosschen on 11 November , then local operations Military_operation which faded Change out in late November .

Brigadier-General James Edmonds , the British official historian , wrote in Writing the History of the Great War Hostile_encounter , that the II Corps battle Hostile_encounter at La Bassée could be taken Conquering as separate but that the battles Hostile_encounter from Armentières to Messines and Ypres , were better understood Know as one battle Hostile_encounter in two parts , an offensive Attack by III Corps and the Cavalry Corps from 12 to 18 October against which the Germans retired Process_end and an offensive Judgment_communication by the German 6th Army and 4th Army from 19 October to 2 November , which from 30 October , took place Process_start mainly north of the Lys , when the battles Hostile_encounter of Armentières and Messines merged Cause_to_amalgamate with the Battles Hostile_encounter of Ypres .

Brigadier-General James Edmonds , the British official historian , wrote in Writing the History of the Great War Hostile_encounter , that the II Corps battle Hostile_encounter at La Bassée could be taken Conquering as separate but that the battles Hostile_encounter from Armentières to Messines and Ypres , were better understood Know as one battle Hostile_encounter in two parts , an offensive Attack by III Corps and the Cavalry Corps from 12 to 18 October against which the Germans retired Process_end and an offensive Judgment_communication by the German 6th Army and 4th Army from 19 October to 2 November , which from 30 October , took place Process_start mainly north of the Lys , when the battles Hostile_encounter of Armentières and Messines merged Cause_to_amalgamate with the Battles Hostile_encounter of Ypres .

Attacks Attack by the BEF ( Field Marshal Sir John French ) the Belgians and the French Eighth Army in Belgium made little progress Cause_to_make_progress beyond Ypres .

The German 4th and 6th Armies took Conquering small amounts of ground at great cost Cost to both sides , during the Battle Hostile_encounter of the Yser and further south at Ypres .