Title	Gas attack
Image rights	Digital image © 2007, Tennessee State Library and Archives. All rights reserved.
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Subjects	Gas warfare Poisons War damage Campaigns & battles World War, 1914-1918
Education Tags	US.28 World War I
Description	Aerial photograph of a gas attack on the Western Front. The gas, released from canisters, can be seen streaming across no man's land.
Date	Approximately 1918
Type	Still Image
Digital format	Image/jp2
ID#	33128
Collection name	Karl Kleeman World War I Photographs
Place	Western Front
Historical note	The French were the first to use gas on battlefield in World War I, employing tear gas against the Germans in August 1914. However, on April 22, 1915, the Germans opened the Second Battle of Ypres with an attack on French, Canadian, and British troops using chlorine gas, marking the first use of poison gas -- that is, gas designed to kill rather than to incapacitate -- on the Western Front. Mustard gas, nicknamed HS ("hun stuff") by the British and Yperite by the French, was used for the first time in 1917 in the fighting around Ypres . Delivery mechanisms advanced from simple canisters to the insertion of gas in artillery shells. Chlorine, phosgene, and mustard gases were those most widely used. The development of effective methods of protection greatly decreased the potential for gas casualties, but the use of poison gas in war was later outlawed in the 1920s by the Geneva Protocol.
Accession number	2006-059
Owning Institution	Tennessee State Library and Archives
Collection finding aid	http://www.tn.gov/tsla/history/manuscripts/findingaids/2006-059.pdf
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