answers: August 1914
context: on with this war whatever it costs could see the soldiers suffering from mustard gas poisoning. Great mustard-coloured blisters, blind eyes, all sticky and stuck together, always fighting for breath, with voices a mere whisper, saying that their throats are closing and they know they will choke." The polluting nature of mustard gas meant that it was not always suitable for supporting an attack as the assaulting infantry would be exposed to the gas when they advanced. When Germany launched Operation "Michael" on 21 March 1918, they saturated the Flesquières salient with mustard gas instead of attacking it directly, believing </s> gas were produced by the end of World War I. The French were the first to use chemical weapons during the First World War, using the tear gases ethyl bromoacetate and chloroacetone. They likely did not realize that effects might be more serious under wartime conditions than in riot control. It is also likely that their use of tear gas escalated to the use of poisonous gases. One of Germany's earliest uses of chemical weapons occurred on October 27, 1914, when shells containing the irritant dianisidine chlorosulfonate were fired at British troops near Neuve-Chapelle, France. Germany used another irritant, xylyl </s> War I, the French army was the first to employ tear gas, using 26 mm grenades filled with ethyl bromoacetate in August 1914. The small quantities of gas delivered, roughly 19 cm³ per cartridge, were not even detected by the Germans. The stocks were rapidly consumed and by November a new order was placed by the French military. As bromine was scarce among the Entente allies, the active ingredient was changed to chloroacetone. In October 1914, German troops fired fragmentation shells filled with a chemical irritant against British positions at Neuve Chapelle; the concentration achieved was so small that it
question: when was the first time poison gas was used in ww1