Ypres east of the town. The first gas attack occurred against Canadian, British, and French soldiers, including both metropolitan French soldiers as well as Senegalese and Algerian tirailleurs (light infantry) from French Africa. The gas used was chlorine. Mustard gas, also called Yperite from the name of this town, was also used for the first time near Ypres, in the autumn of 1917. Of the battles, the largest, best-known, and most costly in human suffering was the Third Battle of Ypres (31 July to 6 November 1917, also known as the Battle of Passchendaele), in which the British, Canadian, ANZAC, and
14th Army (German Empire) 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 Veneto from 10 November 1917 until the army was disbanded on 22 January 1918. The 14th Army served on the Italian Front throughout its existence. After the Eleventh Battle of the Isonzo, the Austro-Hungarians were exhausted and could not have withstood another attack. They appealed to the Germans for help and the Germans, fearing a collapse on the Italian Front, sent 7 divisions,