This battle was fought over the strategic town of Ypres in western-Belgium. This battle introduced the first ever use of poisonous gas in warfare.
The Second Battle of Ypres consisted of six different engagements :
The Battle of Gravenstafel: Thursday 22 April – Friday 23 April 1915
The Battle of Saint Julien: Saturday 24 April – 4 May 1915.
The Battle of Frezenberg: 8–13 May 1915
The First Battle of Bellewaarde: 24–25 May 1915
The Battle of Hooge 30th and 31st July 1915 -(First use of German
Liquid Fire Attack-Flamethrowers)
The Second Attack on Bellewaarde 25th September 1915