Passchendaele
Passchendaele, formally the Third Battle of Ypres, was a major British-led offensive on the Western Front in 1917. Fought in the flooded, shell-torn farmland of Belgian Flanders, it came to symbolize the mud, attrition and apparent futility of First World War trench warfare, and it remains one of the most debated campaigns in British military history.
The Ypres Salient, a bulge in the Allied line around the Belgian town of Ypres, had been under German observation and fire since 1914. British commander Sir Douglas Haig long favored an offensive in Flanders, hoping to break out of the salient, capture the ridges to the east, and possibly advance toward the Belgian coast to threaten German submarine bases. The idea gained urgency after the failure of the French Nivelle Offensive in spring 1917, which was followed by mutinies in the French army and left Britain carrying more of the burden. A successful attack at Messines Ridge in June, which began with the detonation of large mines beneath German positions, raised hopes for what followed.
The main offensive opened at the end of July 1917 with a massive artillery bombardment, and British, Canadian, Australian, New Zealand and other imperial forces took part, along with some French units. Rain arrived early and was unusually heavy for the season. The bombardment had also wrecked the area's drainage systems, turning the ground into a morass of water-filled shell holes. Men, horses and guns struggled to move, and some soldiers drowned in the mud. The Germans defended in depth, using concrete strongpoints known as pillboxes. Progress came in short, costly advances, often when drier weather allowed carefully limited "bite-and-hold" attacks. In early November, Canadian troops finally captured the ruined village of Passchendaele, and the offensive ended soon after.
Casualties were very heavy on both sides, but the figures are disputed. Estimates for British and imperial losses commonly run to a few hundred thousand, and German losses were also severe, though historians disagree on the exact totals and on how to compare them. The gains were modest: the salient was pushed back a few miles, and the ground was largely given up in the German spring offensive of 1918. The hoped-for breakthrough never occurred.
Historians still argue over whether the campaign was a needless slaughter or a grim but necessary effort that wore down German strength and relieved pressure on the French. Whatever the verdict, the name has endured as a shorthand for suffering in appalling conditions, and the battlefield is today dotted with cemeteries, including Tyne Cot, the largest Commonwealth war cemetery in the world.