Second Battle of Ypres

During the First World War, 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. The First Battle of Ypres had been fought the previous autumn. The Second Battle of Ypres was the first mass use by Germany of poison gas on the Western Front.

Second Battle of Ypres
Part of the Western Front of the First World War

German diagram showing the new front line after the 2nd Battle of Ypres
Date22 April – 25 May 1915
Ypres, Belgium
50°53′58″N 02°56′26″E
Result See Analysis section
British withdraw to a new line 3 miles closer to Ypres

 British Empire


 German Empire
Commanders and leaders
Horace Smith-Dorrien (replaced by)
Herbert Plumer (6 May 1915~)
Arthur Currie
Henri Gabriel Putz
Armand De Ceuninck
Albrecht of Württemberg
2 French divisions
6 British divisions
7 divisions
Casualties and losses
French: 2,000–3,000 to 21,973
British: 59,275
35,000 +
Ypres, a Belgian municipality in the Flemish province of West Flanders