British war crimes September 1915 and continued their usage for the remainder of the war. This was done in retaliation for the use of chlorine by Imperial German Army the preceding April. Following the Imperial German Army's use of poison gas at Ypres, the commander of II Corps, Lieutenant General Sir Charles Ferguson, had said of poison gas: Mustard gas was first used effectively in World War I by the German army against British and Canadian soldiers near Ypres, Belgium, in 1917 and later also against the French Second Army. The name "Yperite" comes from its usage by the German army near the
14th Army (German Empire) front came under the command of 51st Corps until it was withdrawn in February 1918. Units are German unless designated as Austria-Hungary. The 14th Army was commanded throughout its existence by General der Infanterie Otto von Below, former commander of 6th Army. On dissolution of 14th Army, von Below was transferred to command of the newly raised 17th Army on the Western Front. 14th Army (German Empire) The 14th Army () was an army level command of the German Army in World War I formed in September 1917 in Krainburg for use against Italy. Its Headquarters was located at Vittorio