The Info List - Second Battle Of Ypres

 British Empire

India  Canada South Africa  Australia  New Zealand  Newfoundland United Kingdom


Algeria Morocco

 Belgium  German Empire

Commanders and leaders

Horace Smith-Dorrien
Horace Smith-Dorrien
(replaced by) Herbert Plumer (6 May 1915~) Arthur Currie Henri Gabriel Putz Théophile Figeys Armand De Ceuninck Albrecht of Württemberg


2 French and 6 British divisions 7 divisions

Casualties and losses

French: 2,000–3,000 to 21,973 British: 59,275 34,933–35,000 +


Ypres, a Belgian municipality in the Flemish
province of West Flanders

v t e

Western Front


Halen Liège Dinant Namur


Charleroi Mons

Great Retreat

1st Marne

1st Aisne Antwerp Race to the Sea

Yser 1st Ypres Winter operations

1st Artois 1st Champagne Hartmannswillerkopf Neuve Chapelle 2nd Ypres 2nd Artois 2nd Champagne Loos 3rd Artois Verdun Somme Alberich Nivelle

Arras 2nd Aisne Hills

Messines 3rd Ypres
(Passchendaele) La Malmaison 1st Cambrai Spring

Michael Lys 3rd Aisne 2nd Marne

Hundred Days


v t e

Second Battle of Ypres 1915


Gravenstafel St. Julien Frezenberg Bellewaarde

During World War I, the Second Battle of Ypres was fought from 22 April – 25 May 1915 for control of the strategic Flemish
town of Ypres
in western Belgium
after the First Battle of Ypres the previous autumn. It was the first mass use by Germany of poison gas on the Western Front. For the first time, a former colonial force (the 1st Canadian Division) defeated a European power (the German Empire) on European soil (in the battles of St. Julien and Kitcheners' Wood, engagements during the battle).


1 Background 2 Battle

2.1 Battle of Gravenstafel
Battle of Gravenstafel
Ridge (22–23 April 1915) 2.2 Battle of St. Julien
Battle of St. Julien
(24 April – 5 May) 2.3 Battle of Frezenberg
Battle of Frezenberg
(8–13 May) 2.4 Battle of Bellewaarde
Battle of Bellewaarde
(24–25 May)

3 Aftermath

3.1 Analysis 3.2 Casualties 3.3 Subsequent operations

4 Commemoration

4.1 Victoria Cross recipients

5 See also 6 Notes 7 Footnotes 8 References 9 Further reading 10 External links

Background[edit] The battle consisted of six engagements:

Battle of Gravenstafel: Thursday 22 April – Friday 23 April 1915 Battle of St. Julien: Saturday 24 April – 4 May Battle of Frezenberg: 8–13 May Battle of Bellewaarde: 24–25 May Battle of Hooge 30–31 July 1915 (first German use of flamethrowers) Second Attack on Bellewaarde 25 September[1]

The Ypres
salient followed the canal, bulging eastward around the town. North of the salient, the Belgian army held the line of the Yser, and the northern end of the salient was held by two French divisions.[2] The eastern part of the salient was defended by one Canadian and two British divisions. The II Corps and V Corps of the Second Army comprised the 1st, 2nd and 3rd Cavalry Divisions and the 4th, 27th, 28th, Northumbrian, Lahore and 1st Canadian Divisions.[3] Battle[edit] Battle of Gravenstafel
Battle of Gravenstafel
Ridge (22–23 April 1915)[edit]

Fields at Langemark-Poelkapelle, facing north towards the German trench from which the gas was released on 22 April 1915. The German trenches ran approximately from the farmhouse on the left to the group of willow trees on the right.

and Langemarck areas

In the hamlet of Gravenstafel (50°53′28″N 2°58′44″E / 50.891°N 2.979°E / 50.891; 2.979) at about 5:00 p.m. on 22 April, the German Army released 168 long tons (171 t) of chlorine gas over a 6.5 km (4.0 mi) front on the line held by French Territorial and colonial Moroccan and Algerian troops of the French 45th and 87th divisions.[4] Although poison gas had been used before, at the Battle of Bolimów
Battle of Bolimów
three months earlier, the gas had liquefied in the cold and become inert. German troops carried 5,730 gas cylinders, weighing 90 pounds (41 kg) each, to the front by hand. The cylinders, opened by hand, relied on the prevailing wind to carry the gas towards enemy lines. Because of this method of dispersal, a large number of German soldiers were injured or killed while carrying out the attack.[5]

Belgian troops wearing early gas masks, 1915

The French troops in the path of the gas cloud sustained about 6,000 casualties. Many died within ten minutes (primarily from asphyxia and tissue damage in the lungs), and many more were blinded. Chlorine
gas forms hypochlorous acid when combined with water, destroying moist tissue such as the lungs and eyes. The chlorine gas, denser than air, quickly filled the trenches and forced the troops out into heavy enemy fire.[6] Anthony R. Hossack of the Queen Victoria's Rifles
Queen Victoria's Rifles
described the chaos as the French Colonial Corps troops fled from the gas,

Plainly something terrible was happening. What was it? Officers, and Staff officers too, stood gazing at the scene, awestruck and dumbfounded; for in the northerly breeze there came a pungent nauseating smell that tickled the throat and made our eyes smart. The horses and men were still pouring down the road. two or three men on a horse, I saw, while over the fields streamed mobs of infantry, the dusky warriors of French Africa; away went their rifles, equipment, even their tunics that they might run the faster. One man came stumbling through our lines. An officer of ours held him up with levelled revolver, "What's the matter, you bloody lot of cowards?" says he. The Zouave was frothing at the mouth, his eyes started from their sockets, and he fell writhing at the officer's feet. — A. R. Hossack[7]

A 4-mile (6.4 km) gap was left in the front line. The German High Command had not foreseen the effectiveness of the new weapon and all available troops had been transferred to Russia, leaving few reserves in the west. General von Falkenhayn, Chief of the German General Staff, had ordered the attack as a limited effort by the German 4th Army.[8] German troops advanced at 5:00 p.m., but dusk, apprehension about the effect of the gas and the lack of reserves prevented the Germans from exploiting the gap more significantly.[9] Canadian troops defended the flank of the break-in by urinating into cloth and holding them to their faces to counter the effects of the gas. Casualties were especially heavy for the 13th Battalion of the Canadian Expeditionary Force (CEF), which was enveloped on three sides and over-extended in securing its left flank after the Algerian Division broke.[10] At Kitcheners' Wood, the 10th Battalion of the 2nd Canadian Brigade was ordered to counter-attack in the gap created by the gas attack. They formed up after 11:00 p.m. on 22 April, with the 16th Battalion (Canadian Scottish) of the 3rd Brigade arriving to support the advance. Both battalions attacked with over 800 men, in waves of two companies each, at 11:46 p.m. Without reconnaissance, the battalions ran into obstacles halfway to their objective; engaged in small-arms fire from the wood, they began an impromptu bayonet charge. The attack cleared the former oak plantation of Germans at a 75-percent casualty rate.[11]

The Germans set fire to a chemical product of sulphur chloride which they had placed in front of their own trenches, causing a thick yellow cloud to be blown towards the trenches of the French and Belgians. The cloud of smoke advanced like a yellow low wall, overcoming all those who breathed in poisonous fumes. The French were unable to see what they were doing or what was happening. The Germans then charged, driving the bewildered French back past their own trenches. Those who were enveloped by the fumes were not able to see each other half a yard apart. I have seen some of the wounded who were overcome by the sulphur fumes, and they were progressing favourably. The effect of the sulphur appears to be only temporary. The after-effects seem to be a bad swelling of the eyes, but the sight is not damaged. — The Daily Mail (26 April 1915)

Dusk was falling when from the German trenches in front of the French line rose that strange green cloud of death. The light north-easterly breeze wafted it toward them, and in a moment death had them by the throat. One cannot blame them that they broke and fled. In the gathering dark of that awful night they fought with the terror, running blindly in the gas-cloud, and dropping with breasts heaving in agony and the slow poison of suffocation mantling their dark faces. Hundreds of them fell and died; others lay helpless, froth upon their agonized lips and their racked bodies powerfully sick, with tearing nausea at short intervals. They too would die later – a slow and lingering death of agony unspeakable. The whole air was tainted with the acrid smell of chlorine that caught at the back of men's throats and filled their mouths with its metallic taste. — Captain Alfred Oliver Pollard, The Memoirs of a VC (1932)[12]

Battle of St. Julien
Battle of St. Julien
(24 April – 5 May)[edit]

The village of St. Julien (now Sint-Juliaan; 50°53′24″N 2°56′13″E / 50.890°N 2.937°E / 50.890; 2.937) was in the rear of the 1st Canadian Division
1st Canadian Division
until the poison-gas attack of 22 April, when it became the front line (see trench map). Some of the first fighting in the village involved the stand of lance corporal Frederick Fisher of the 13th Battalion CEF's machine-gun detachment; Fisher went out twice with a handful of men and a Colt machine gun, preventing advancing German troops from passing through St. Julien into the rear of the Canadian front line. He was killed the following day.[13] On the morning of 24 April, the Germans released another gas cloud towards the re-formed Canadian line just west of St. Julien. Word was passed to the troops to urinate on their handkerchiefs and place them over their nose and mouth.[14][a] The countermeasures were insufficient, and German troops took the village.[16] The next day the York and Durham Brigade units of the Northumberland Division counter-attacked, failing to secure their objectives but establishing a new line closer to the village.[17] On 26 April the 4th, 6th and 7th Battalions, the Northumberland Brigade, the first Territorial brigade to go into action, attacked and gained a foothold in the village but were forced back, having suffered 1,954 casualties.[18] Despite hundreds of casualties, the 2nd Royal Dublin Fusiliers
Royal Dublin Fusiliers
participated without respite in the battles at Frezenberg and Bellewaarde. On 24 April the battalion, subjected to a German gas attack near St. Julien, was nearly annihilated. The German Army first used chlorine-gas cylinders in April 1915 against the French Army at Ypres,[b] when yellow-green clouds drifted towards the Allied trenches. The gas had a distinctive odour, resembling pineapple and pepper. The French officers, assuming at first that the German infantry were advancing behind a smoke screen, alerted the troops. When the gas reached the front Allied trenches, soldiers began to complain of chest pains and a burning sensation in the throat.

Francis Alexander Caron Scrimger, V.C., M.D.

Capt. Francis Scrimger of the 2nd Canadian Field Ambulance may have passed the order to use urine to counteract the gas, on the advice of Lt.-Col. G. G. Nasmith (see note 10). Soldiers realised they were being gassed and many ran as fast as they could. An hour after the attack began, there was a 1,500 yards (1,400 m) gap in the Allied line.[19] Fearing the chlorine, few German soldiers moved forward and the delay enabled Canadian and British troops to retake the position before the Germans could exploit the gap.[20] After the first German chlorine-gas attacks, Allied troops were supplied with masks of cotton pads soaked in urine; it had been discovered that the ammonia in the pad neutralised the chlorine. The pads were held over the face until the gas dispersed. Other soldiers preferred to use a handkerchief, sock or flannel body-belt, dampened with a sodium-bicarbonate solution and tied across the mouth and nose, until the gas passed. Soldiers found it difficult to fight like this, and attempts were made to develop a better means of protection against gas attacks.[21] By July 1915, soldiers received efficient gas masks and anti-asphyxiation respirators. Private W. Hay of the Royal Scots arrived in Ypres
just after the chlorine-gas attack on 22 April 1915:[21]

We knew there was something was wrong. We started to march towards Ypres
but we couldn't get past on the road with refugees coming down the road. We went along the railway line to Ypres
and there were people, civilians and soldiers, lying along the roadside in a terrible state. We heard them say it was gas. We didn't know what the Hell gas was. When we got to Ypres
we found a lot of Canadians lying there dead from gas the day before, poor devils, and it was quite a horrible sight for us young men. I was only twenty so it was quite traumatic and I've never forgotten nor ever will forget it. — Private W. Hay of the Royal Scots[12]

The French soldiers were naturally taken by surprise. Some got away in time, but many, alas! not understanding the new danger, were not so fortunate, and were overcome by the fumes and died poisoned. Among those who escaped nearly all cough and spit blood, the chlorine-attacking the mucous membrane. The dead were turned black at once. About 15 minutes after letting the gas escape the Germans got out of their trenches. Some of them were sent on in advance, with masks over their heads, to ascertain if the air had become breathable. Having discovered that they could advance, they arrived in large numbers in the area on which the gas had spread itself some minutes before, and took possession of the arms of the dead men. They made no prisoners. Whenever they saw a soldier whom the fumes had not quite killed they snatched away his rifle and advised him to lie down "to die better." — The Daily Chronicle (26 April 1915)[12]

Battle of Frezenberg
Battle of Frezenberg
(8–13 May)[edit] The Germans moved field artillery forward, placing three army corps opposite the 27th and 28th Divisions on the Frezenberg ridge (50°52′05″N 2°57′00″E / 50.868°N 2.950°E / 50.868; 2.950).[22] The German attack began on 8 May with a bombardment of the 83rd Brigade in trenches on the forward slope of the ridge, but the first and second infantry assaults were repelled by the survivors. However, the third German assault of the morning pushed the defenders back. Although the neighbouring 80th Brigade repulsed the attack, the 84th Brigade was pushed back; this left a 2-mile (3.2 km) gap in the line. The Germans were prevented from advancing further by Princess Patricia's Canadian Light Infantry (PPCLI)'s counter-attacks and a night move by the 10th Brigade. The PPCLI held the line at a steep cost; their 700-man force were reduced to 150, who were in no shape to fight. After this, their unofficial motto—"Holding up the whole damn line"—is still used today.[23][c] Battle of Bellewaarde
Battle of Bellewaarde
(24–25 May)[edit]

Royal Dublin Fusiliers
Royal Dublin Fusiliers
Cap Badge

On May 24 the Germans released a gas attack that hit Shell Trap Farm and to the area around the north west, which was affected the most by the attack. A report of the event by Captain Thomas J Leahy, of the 2nd Royal Dublin Fusiliers, shows that their C.O Lieutenant Colonel Arthur Loveband was suspecting a gas attack and had warned all Company officers. Later the Germans threw up red lights over their trench, which would signal a gas release.[24]

We had only just time to get our respirators on before the gas was over us. — Captain Thomas J Leahy

German forces managed to advance and occupy the British line to north and left of the Battalion. The Battalion was now under heavy fire from the German forces. But with shellfire and the aid from the 9th Argyll & Sutherland Highlanders they managed to hold their trenches to the end. [24]

Germans advancing under cover of enfilade fire, in small parties, finally occupied Battalion line by 2.30pm. Shelling ceased but rifle and M.G. fire remained accurate and constant, whenever a target presented itself, until dusk. — The War Diary

Although British troops defended against initial German attacks, they were eventually forced to retreat north and south. Failed British counter-attacks forced a British retreat 1 kilometre (0.62 mi) northwards.[25] At the end of the battle, the Ypres
salient was 5 kilometres (3.1 mi) deep.[26] Aftermath[edit] Analysis[edit]

Ruins of Ypres
market square

By the end of the battle the Ypres
salient was compressed, with Ypres closer to the line. The city, bombarded by artillery fire, was demolished. Although poison gas had been used on the Eastern Front, it surprised the Allies and about 7,000 gas casualties were transported in field ambulances and treated in casualty clearing stations. In May and June, 350 British deaths were recorded from gas poisoning.[27] Both sides developed gas weapons and counter-measures, which changed the nature of gas warfare; the French and British used gas at the Battle of Loos
Battle of Loos
in late September.[28] Gas protection was somewhat improved with the issue of improvised respirators made from cotton waste pads impregnated with sodium hyposulphite, sodium bicarbonate and glycerin. The respirators made little difference, however, due to lack of training and the use of local contraptions and poorly-made items imported from Britain. The "P helmet" (or "Tube Helmet") soaked in sodium phenate was issued by December 1915, and the PH helmet (effective against phosgene) was issued in early 1916.[29] Although many French troops ran for their lives, others stood their ground and waited for the cloud to pass. Field Marshal Sir John French, Commander-in-Chief of the British Expeditionary Force, wrote,

 ... I wish particularly to repudiate any idea of attaching the least blame to the French Division for this unfortunate incident. After all the examples our gallant Allies have shown of dogged and tenacious courage in the many trying situations in which they have been placed throughout the course of this campaign it is quite superfluous for me to dwell on this aspect of the incident, and I would only express my firm conviction that, if any troops in the world had been able to hold their trenches in the face of such a treacherous and altogether unexpected onslaught, the French Division would have stood firm. — French[30]

The Canadian Division mounted an effective defence but had 5,975 casualties by its withdrawal on 3 May. The division was unprepared for the warfare prevailing on the Western Front, where linear tactics were ineffective against attackers armed with magazine rifles and machine guns. The Canadian field artillery had been effective but the deficiencies of the Ross rifle
Ross rifle
worsened tactical difficulties. The Canadian Division received several thousand replacements shortly after the battle.[31] At Second Ypres, the smallest tactical unit in the infantry was a company; by 1917 it would be the section. The Canadians were employed offensively later in 1915 but not successfully. The battle was the beginning of a long period of analysis and experiment to improve the effectiveness of Canadian infantry weapons, artillery and liaison between infantry and artillery.[32][d] Casualties[edit] After the war, German casualties from 21 April to 30 May were recorded as 34,933 by the official historians of the Reichsarchiv. In the British Official History, J. E. Edmonds and G. C. Wynne recorded British losses of 59,275 casualties, the French about 18,000 casualties on 22 April and another 3,973 from 26–29 April.[33] Canadian casualties from 22 April to 3 May were 5,975, of whom about 1,000 men were killed. The worst day was 24 April, when 3,058 casualties were suffered during infantry attacks, artillery bombardments and gas discharges.[34] In 2002, Clayton wrote that thousands of men of the 45th and 87th divisions ran from the gas but that the number of casualties was low. The Germans overran both divisions' artillery but the survivors rallied and held a new line further back.[35] In 2010, Humphries and Maker, in their translated edition of Der Weltkrieg recorded that by 9 May, there had been more than 35,000 German casualties, 59,275 British between 22 April and 31 May and very many French casualties, 18,000 on 22 April alone.[36] In 2012, Sheldon gave similar figures and in 2014, Greenhalgh wrote that French casualties had been exaggerated by propaganda against German "frightfulness" and that in 1998, Olivier Lepick had estimated that 800–1,400 men were killed by gas in April out of 2,000–3,000 French casualties.[37][38] Lance Sergeant Elmer Cotton described the effects of chlorine gas,

It produces a flooding of the lungs – it is an equivalent death to drowning only on dry land. The effects are these – a splitting headache and terrific thirst (to drink water is instant death), a knife edge of pain in the lungs and the coughing up of a greenish froth off the stomach and the lungs, ending finally in insensibility and death. The colour of the skin from white turns a greenish black and yellow, the colour protrudes and the eyes assume a glassy stare. It is a fiendish death to die. — Cotton[39]

Subsequent operations[edit] The First Attack on Bellewaarde was conducted by the 3rd Division of V Corps on 16 June 1915 and the Second Attack on Bellewaarde, a larger operation, was conducted from 25–26 September 1915 by the 3rd Division and the 14th Division of VI Corps. The Battle of Mont Sorrel (2–13 June 1916) took place south of Ypres
with the 20th Division (XIV Corps) and the 1st, 2nd and 3rd Canadian divisions of the Canadian Corps.[40] The Third Battle of Ypres, also known as the Battle of Passchendaele, was fought from 31 July to 10 November 1917.[41] Commemoration[edit]

Battle list of Canadian troops on the Western Front plaque in Currie Hall, Royal Military College of Canada

Canadian participation in the Battle of Gravenstafel
Battle of Gravenstafel
is commemorated on the Saint Julien Memorial
Saint Julien Memorial
in the village. During the Second Battle of Ypres, Lt. Col. John Alexander McCrae M.D. of Guelph
wrote In Flanders Fields in the voice of those who perished in the war. Published in Punch 8 December 1915, the poem is still recited on Remembrance Day
Remembrance Day
and Memorial Day.[42][43] Victoria Cross recipients[edit]

Lance Sergeant D. W. Belcher, London Rifle Brigade (TF), 11th Brigade, 4th Division[44] Captain E. D. Bellew, 7th Battalion, British Columbia Regiment, 2nd Canadian Brigade, 1st Canadian Division[45] Jemadar Mir Dast, 55th Rifles (att. 57th Rifles), Ferozepore Brigade, Lahore Division[46] Lance Corporal F. Fisher, 13th Battalion Royal Highlanders of Canada, 3rd Canadian Brigade, 1st Canadian Division[13] Company Sergeant-Major F. W. Hall, 8th Battalion, Winnipeg Rifles, 2nd Canadian Brigade[47] Private J. Lynn, 2nd Lancashire Fusiliers, 12th Brigade, 4th Division[48] 2nd Lieutenant W. B. Rhodes-Moorhouse, 2 Squadron, Royal Flying Corps[49] Captain F. A. C. Scrimger, (Canadian Army Medical Service), 14th Battalion, Royal Montreal Regiment[50] Corporal I. Smith, 1st Manchesters, Jullundur Brigade, Lahore Division[46] Private E. Warner, 1st Bedfordshires, 15th Brigade, 5th Division[51]

See also[edit]

World War I
World War I
portal Canadian Forces portal

First Battle of Ypres Use of poison gas in World War I Saint Julien Memorial Third Battle of Ypres List of Canadian battles during World War I Langford Wellman Colley-Priest


^ The order is attributed to a Medical Officer, Capt. F.A.C. Scrimger.[15] Memoirs of two individuals at the battle do not recount this episode (see Nasmith, 1917 and Scott, 1922), though Nasmith, a chemist and bacteriologist who was commissioned in the C.A.M.C. as a laboratory and sanitation officer, recognised the gas on sight as chlorine and the following day began work on devising an effective way to counteract the gas. Urea
in urine would react with chlorine, neutralising it by forming dichlorourea. See Chattaway (1908). ^ Chlorine
gas destroyed the respiratory organs of its victims and this led to a slow death by asphyxiation. One nurse described the death of one soldier who had been in the trenches during a chlorine gas attack. "He was sitting on the bed, fighting for breath, his lips plum coloured. He was a magnificent young Canadian past all hope in the asphyxia of chlorine. I shall never forget the look in his eyes as he turned to me and gasped: I can’t die! Is it possible that nothing can be done for me?" Chlorine
made the victim cough and therefore limited his intake of the poison. Both sides found that phosgene was more effective, since only a small amount was needed to make it impossible for the soldier to keep fighting. It also killed its victim within 48 hours of the attack. ^ The picture in the top right of this article depicts Princess Patricia's Canadian Light Infantry as they fought to halt the German attack on Frezenberg. The original mural hangs in the Senate of the main Parliament Building in Ottawa, Ontario, Canada. In the battle, 2/3 of the regiment were either killed or wounded and all but two two officers were killed or wounded in the battle. By the end of the battle, the regiment was commanded by a lieutenant. ^ Another Canadian division joined the British Expeditionary Force in late 1915, joined eventually by two more in 1916. The battle also blooded many commanders, singling out some for praise, such as brigade commander Arthur Currie, and others for criticism, such as Garnet Hughes. The inadequacies of training and doctrine in the early CEF was made obvious by the antique tactics used at Kitcheners' Wood and St. Julien, though tactics in the British armies would be slow to evolve.[32]


^ Edmonds & Wynne 1995, pp. 171–358. ^ Edmonds & Wynne 1995, pp. 375–376. ^ Edmonds & Wynne 1995, pp. 370–374. ^ Edmonds & Wynne 1995, pp. 176–178. ^ Croddy 2002, pp. 143–144. ^ Edmonds & Wynne 1995, pp. 177–178. ^ Hossack, Anthony R. (22 August 2009). "The First Gas Attack". First World War.com. Retrieved 2 November 2014.  ^ Reichsarchiv 2012, p. 41. ^ Edmonds & Wynne 1995, p. 183. ^ Edmonds & Wynne 1995, pp. 178–185. ^ Edmonds & Wynne 1995, pp. 185–187. ^ a b c d "2nd Battle of Ypres", Spartacus Educational ^ a b Edmonds & Wynne 1995, p. 178. ^ Edmonds & Wynne 1995, p. 195. ^ "Legion Magazine". legionmagazine.com. Archived from the original on 23 November 2005. Retrieved 21 November 2017.  ^ Edmonds & Wynne 1995, pp. 214–239. ^ Edmonds & Wynne 1995, pp. 240–255. ^ Edmonds & Wynne 1995, pp. 262–263. ^ Edmonds & Wynne 1995, p. 219. ^ Edmonds & Wynne 1995, pp. 220–225. ^ a b Edmonds & Wynne 1995, pp. 217–218. ^ Edmonds & Wynne 1995, p. 310. ^ Edmonds & Wynne 1995, pp. 311–326. ^ a b "Jeremy Banning - Military Historian - First World War Research - School Workshops - Lectures". jeremybanning.co.uk. Retrieved 21 November 2017.  ^ Edmonds & Wynne 1995, pp. 340–3353. ^ Edmonds & Wynne 1995, pp. 353–359. ^ MacPherson et al. 1923, pp. 271–274. ^ Edmonds 1928, pp. 150, 178. ^ MacPherson et al. 1923, pp. 274–277. ^ French 1915, pp. 6787–6789. ^ Rawling 1992, pp. 29–41. ^ a b Rawling 1992, pp. 35–36. ^ Edmonds & Wynne 1995, pp. 359, 284. ^ Rawling 1992, p. 35. ^ Clayton 2002, p. 68. ^ Humphries & Maker2010, p. 168. ^ Sheldon 2012, p. 116. ^ Greenhalgh 2014, p. 91. ^ Girard 2008, p. 13. ^ James 1990, pp. 8–9. ^ Edmonds 1991, pp. 124–386. ^ " John McCrae
John McCrae
(from Historica)". Histori.ca. Archived from the original on 9 June 2011. Retrieved 26 May 2011.  ^ David Evans (28 January 1918). " John McCrae
John McCrae
(from the Canadian Encyclopedia)". Thecanadianencyclopedia.com. Retrieved 26 May 2011.  ^ Edmonds & Wynne 1995, p. 333. ^ Edmonds & Wynne 1995, p. 221. ^ a b Edmonds & Wynne 1995, p. 260. ^ Edmonds & Wynne 1995, p. 227. ^ Edmonds & Wynne 1995, p. 290. ^ Edmonds & Wynne 1995, p. 265. ^ Edmonds & Wynne 1995, p. 252. ^ Edmonds & Wynne 1995, p. 289.



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Poison Gas. University of Nebraska Press. ISBN 978-0-8032-2223-6. Retrieved 26 May 2011.  Greenhalgh, Elizabeth (2014). The French Army and the First World War. Cambridge: Cambridge University Press. ISBN 978-1-107-60568-8.  Humphries, M. O.; Maker, J. (2010). Germany's Western Front, 1915: Translations from the German Official History of the Great War. II (1st ed.). Waterloo, Ont: Wilfrid Laurier University Press. ISBN 978-1-55458-259-4.  James, E. A. (1990) [1924]. A Record of the Battles and Engagements of the British Armies in France
and Flanders 1914–1918 (repr. London Stamp Exchange ed.). Aldershot: Gale & Polden. ISBN 978-0-948130-18-2.  MacPherson, W. G.; Herringham, W. P.; Elliott, T. R.; Balfour, A. (1923). Medical Services: Diseases of the War, Including the Medical Aspects of Aviation and Gas Warfare and Gas Poisoning in Tanks and Mines (pdf). History of the Great War Based on Official Documents by Direction of the Historical Section of the Committee of Imperial Defence. II (online ed.). London: HMSO. OCLC 769752656. Retrieved 1 December 2013.  Nasmith, G. G. (1917). On the Fringe of the Great Fight. Toronto: McClelland, Goodchild & Stewart. OCLC 5298462. Retrieved 24 March 2014.  Rawling, B. (1992). Surviving Trench Warfare: Technology and the Canadian Corps, 1914–1918. London: University of Toronto Press. ISBN 978-0-8020-6002-0.  Scott, F. G. (1922). The Great War as I Saw It. Toronto: Goodchild. Retrieved 24 March 2014.  Sheldon, J. (2012). The German Army on the Western Front 1915. Barnsley: Pen and Sword Military. ISBN 978-1-84884-466-7. 


Chattaway, F. D. (1908). "The Action of Chlorine
upon Urea
Whereby a Dichloro Urea
is Produced". Proceedings of the Royal Society A. 81 (549): 381–388. doi:10.1098/rspa.1908.0094. ISSN 0962-8452. JSTOR 93011.  Chattaway, F. D. (1916). "Captain F. A. C. Scrimger, V.C." Canadian Medical Association Journal. 6 (4): 334–336. ISSN 0820-3946. PMC 1584589 . PMID 20310777.  Howell, W. B. (1938). "Colonel F. A. C. Scrimger, V.C." (PDF). Canadian Medical Association Journal. 38 (3): 279–281. ISSN 0820-3946. PMC 536406 . Retrieved 19 December 2014.  Love, D. (1996). "The Second Battle of Ypres, April 1915". Sabretasche. 26 (4). ISSN 0048-8933. 


"Supplement to the London Gazette: 10 May 1915". Harrison and Sons. 1915. ISSN 0261-8575. OCLC 67823031. Retrieved 3 December 2013. 

Further reading[edit]

Croddy, E.; Wirtz, J. J. (2005). Weapons of Mass Destruction: an Encyclopaedia of Worldwide Policy, Technology and History. ABC-CLIO. ISBN 978-1-85109-490-5.  Hobbes, N. (2003). Essential Militaria. Atlantic Books. ISBN 978-1-84354-229-2.  Nicholson, G. W. L. (1964) [1962]. Canadian Expeditionary Force 1914–1919 (PDF). Official History of the Canadian Army in the First World War (2nd corr. online ed.). Ottawa: Queen's Printer and Controller of Stationary. OCLC 557523890. Retrieved 7 January 2018. 

External links[edit]

Wikimedia Commons has media related to Second Battle of Ypres.

Spencer Jones Battles of Ypres Kitchener's Wood Memorial Second Battle of Ypres Overview Historical film documents on the Battles of Ypres Order of Battle Chlorine, Ucc.ie 4th Territorial Battalion, Northumberland Fusiliers Legion Magazine Online

v t e

World War I

Home fronts



Balkans Western Front Eastern Front Italian Front

Middle Eastern

Gallipoli Sinai and Palestine Caucasus Persia Mesopotamia South Arabia


South West East Kamerun Togoland North

Asian and Pacific

Tsingtao German New Guinea and Samoa

At sea

North Atlantic U-boat campaign Mediterranean North Sea Baltic

Indian, Pacific and South Atlantic Oceans

Papeete Madras Penang Cocos Coronel Falkland Islands Más a Tierra

Principal participants (people)

Entente powers

Belgium Brazil China France

French Empire

Greece Italy Japan Montenegro Portuguese Empire Romania Russia

Russian Empire Russian Republic

Serbia United Kingdom

British Empire

United States

Central Powers

Germany Austria-Hungary Ottoman Empire Bulgaria


Pre-War conflicts

Scramble for Africa
Scramble for Africa
(1880–1914) Russo-Japanese War
Russo-Japanese War
(1905) First Moroccan (Tangier) Crisis (1905–06) Agadir Crisis
Agadir Crisis
(1911) Italo-Turkish War
Italo-Turkish War
(1911–12) French conquest of Morocco
(1911–12) First Balkan War
First Balkan War
(1912–13) Second Balkan War
Second Balkan War


Origins Sarajevo assassination Anti-Serb riots in Sarajevo July Crisis

Autumn 1914

Battle of the Frontiers Battle of Cer First Battle of the Marne Siege of Tsingtao Battle of Tannenberg Battle of Galicia Battle of the Masurian Lakes Battle of Kolubara Battle of Sarikamish Race to the Sea First Battle of Ypres


Second Battle of the Masurian Lakes Second Battle of Ypres Battle of Gallipoli Second Battle of Artois Battles of the Isonzo Gorlice–Tarnów Offensive Great Retreat Second Battle of Champagne Kosovo Offensive Siege of Kut Battle of Loos


Erzurum Offensive Battle of Verdun Lake Naroch Offensive Battle of Asiago Battle of Jutland Battle of the Somme

first day

Brusilov Offensive Baranovichi Offensive Battle of Romani Monastir Offensive Battle of Transylvania


Capture of Baghdad First Battle of Gaza Zimmermann Telegram Second Battle of Arras Second Battle of the Aisne Kerensky Offensive Third Battle of Ypres (Passchendaele) Battle of Mărășești Battle of Caporetto Southern Palestine Offensive Battle of Cambrai Armistice of Erzincan


Operation Faustschlag Treaty of Brest-Litovsk Spring Offensive Second Battle of the Marne Battle of Baku Hundred Days Offensive Vardar Offensive Battle of Megiddo Third Transjordan attack Meuse-Argonne Offensive Battle of Vittorio Veneto Battle of Aleppo Armistice of Salonica Armistice of Mudros Armistice of Villa Giusti Armistice with Germany

Other conflicts

Mexican Revolution
Mexican Revolution
(1910–20) Somaliland Campaign
Somaliland Campaign
(1910–20) Libyan resistance movement (1911–43) Maritz Rebellion (1914–15) Zaian War
Zaian War
(1914–21) Indo-German Conspiracy (1914–19) Senussi Campaign
Senussi Campaign
(1915–16) Volta-Bani War
Volta-Bani War
(1915–17) Easter Rising
Easter Rising
(1916) Anglo-Egyptian Darfur Expedition
Anglo-Egyptian Darfur Expedition
(1916) Kaocen Revolt (1916–17) Central Asian Revolt (1916-17) Russian Revolution
Russian Revolution
(1917) Finnish Civil War
Finnish Civil War

Post-War conflicts

Russian Civil War
Russian Civil War
(1917–21) Ukrainian–Soviet War
Ukrainian–Soviet War
(1917–21) Armenian–Azerbaijani War
Armenian–Azerbaijani War
(1918–20) Georgian–Armenian War
Georgian–Armenian War
(1918) German Revolution (1918–19) Revolutions and interventions in Hungary (1918–20) Hungarian–Romanian War
Hungarian–Romanian War
(1918–19) Greater Poland Uprising (1918–19) Estonian War of Independence
Estonian War of Independence
(1918–20) Latvian War of Independence
Latvian War of Independence
(1918–20) Lithuanian Wars of Independence
Lithuanian Wars of Independence
(1918–20) Third Anglo-Afghan War
Third Anglo-Afghan War
(1919) Egyptian Revolution (1919) Polish–Ukrainian War
Polish–Ukrainian War
(1918–19) Polish–Soviet War
Polish–Soviet War
(1919–21) Irish War of Independence
Irish War of Independence
(1919–21) Turkish War of Independence

Greco-Turkish War (1919–22) Turkish–Armenian War
Turkish–Armenian War

Iraqi revolt (1920) Polish–Lithuanian War
Polish–Lithuanian War
(1920) Vlora War
Vlora War
(1920) Franco-Syrian War
Franco-Syrian War
(1920) Soviet–Georgian War (1921) Irish Civil War
Irish Civil War



Pacifism Anti-war movement


Schlieffen Plan
Schlieffen Plan
(German) Plan XVII


Military engagements Naval warfare Convoy system Air warfare Cryptography

Room 40

Horse use Poison gas Railways Strategic bombing Technology Trench warfare Total war Christmas truce Last surviving veterans

Civilian impact Atrocities Prisoners

Casualties Economic history 1918 flu pandemic Destruction of Kalisz Rape of Belgium German occupation of Belgium German occupation of Luxembourg German occupation of northeastern France Ober Ost Ottoman people

Armenian Genocide Assyrian genocide Pontic Greek genocide

Urkun (Kyrgyzstan) Blockade of Germany Women


Popular culture German prisoners of war in the United States


Partition of the Ottoman Empire Sykes–Picot Agreement Agreement of Saint-Jean-de-Maurienne French-Armenian Agreement Damascus Protocol Paris Peace Conference Venizelos–Tittoni agreement


Treaty of Brest-Litovsk Treaty of Lausanne Treaty of London Treaty of Neuilly Treaty of St. Germain Treaty of Sèvres Treaty of Trianon Treaty of Versailles


Aftermath "Fourteen Points" League of Nations World War I
World War I
memorials Centenary