Chemical weapons in World War I in Palestine during the Second Battle of Gaza. Russia began manufacturing chlorine gas in 1916, with phosgene being produced later in the year. Most of the manufactured gas was never used. The British Army first used mustard gas in November 1917 at Cambrai, after their armies had captured a stockpile of German mustard gas shells. It took the British more than a year to develop their own mustard gas weapon, with production of the chemicals centred on Avonmouth Docks. (The only option available to the British was the Despretz–Niemann–Guthrie process). This was used first in September 1918 during the breaking
14th Army (German Empire) front came under the command of 51st Corps until it was withdrawn in February 1918.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