Second Battle of Ypres (22 abr 1915 ano – 25 maio 1916 ano)
Descrição:
The first use of major chemical warfare in the war. The allies lost nearly double the amount of troops. More than half of the troups that were affected by gas died in the first 10 minutes.
Adicionado na linha do tempo:
Data:
22 abr 1915 ano
25 maio 1916 ano
~ 1 years