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Battle of Passchendaele

The Battle of Passchendaele, also known as the Third Battle of Ypres, was a major First World War campaign fought in Belgium from 31 July to 10 November 1917.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 27, 2026|2 min read| Fact-checked

The Battle of Passchendaele, also known as the Third Battle of Ypres, was a major First World War campaign fought in Belgium from 31 July to 10 November 1917. It became infamous for heavy casualties, muddy conditions, and limited territorial gains, and is often used as a symbol of the futility of trench warfare.

Background

The offensive was intended to break out of the Ypres salient and pressure German positions in Flanders. Allied commanders hoped to weaken Germany and improve the strategic situation on the Western Front.

Course of the battle

The campaign began with a major assault on 31 July 1917 and continued through a series of attacks over several months. Fighting took place in extremely difficult weather and terrain, producing severe losses on both sides.

Canadian role

Canadian forces took part in the later stages of the offensive and were central to the capture of Passchendaele village. Canadian military history sources describe the battle as one of the war’s costliest actions for Canada.

Aftermath and significance

Although the Allies held the battlefield and captured the village, the offensive did not produce a decisive breakthrough. Passchendaele later became shorthand for attritional warfare, mud, and mass casualties.

Key facts

  • The battle lasted more than 100 days and became notorious for mud, rain, and devastated ground.
  • Allied forces captured Passchendaele village in November 1917, but the broader offensive achieved limited strategic gain.
  • Casualty estimates vary, but sources commonly give totals of well over 250,000 for the Allies and around 200,000 to 260,000 for Germany.
  • Canadian troops were heavily involved, especially in the final assaults in October and November 1917.
  • The battle has become a lasting symbol of the suffering and stalemate of the Western Front.
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Canadian context

Canadian soldiers played a prominent role in the final assault and capture of Passchendaele, making the battle an important part of Canada’s First World War military history.[8][12][14]

Frequently asked questions

What was the Battle of Passchendaele?
It was a major First World War battle, also called the Third Battle of Ypres, fought by Allied and German forces in Belgium in 1917.
When did the battle take place?
It ran from 31 July 1917 to 10 November 1917.
Why is Passchendaele remembered?
It is remembered for extreme mud, heavy casualties, and the limited gains achieved after months of fighting.
Who fought at Passchendaele?
British Empire and French forces, including Australians, Canadians, and New Zealanders, fought against Germany.
Did Canada take part?
Yes. Canadian forces played a major role in the final stages and in the capture of Passchendaele village.
Was Passchendaele a victory?
The Allies captured the battlefield objectives, but the offensive produced limited strategic benefit and is often described as a costly tactical victory.

References

  1. Britannicahttps://www.britannica.com/event/Battle-of-Passchendaele
    Supports: Battle dates, location, participants, and general significance.
  2. Imperial War Museumshttps://www.iwm.org.uk/history/what-you-need-to-know-about-the-third-battle-of-ypres-passchendaele
    Supports: Alternative name, duration, muddy conditions, casualty scale, and limited strategic success.
  3. Veterans Affairs Canadahttps://www.veterans.gc.ca/en/remembrance/military-history/first-world-war/battle-passchendaele
    Supports: Canadian involvement and battle dates.
  4. Canadian War Museumhttps://www.warmuseum.ca/firstworldwar/history/battles-and-fighting/land-battles/passchendaele/
    Supports: Canadian role, casualty estimates, and historical significance.
  5. National Army Museumhttps://www.nam.ac.uk/explore/battle-passchendaele
    Supports: Background, casualties, and abandonment of positions in 1918.
  6. Passchendaele Museumhttps://passchendaele.be/en/about-us/battle-of-passchendaele/
    Supports: Symbolic significance, scale of casualties, and battlefield movement.