Second Battle of Ypres (22 abr 1915 año – 25 mayo 1916 año)
Descripción:
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.Añadido al timeline:
fecha:
22 abr 1915 año
25 mayo 1916 año
~ 1 years