Was mustard gas used in WWI?


Quick Answer

Mustard gas was used during World War I; the Germans were the first to use the gas as a chemical warfare weapon in 1917. Mustard gas was a useful method for breaking the deadlock resulting from trench warfare, where soldiers avoided "no man's land," the area between two trenches.

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Full Answer

Mustard gas and other chemical agents were used with devastating effects during World War I, resulting in casualties numbering around 100,000 and around a million injuries to civilians and soldiers. Mustard gas harmed the enemy both during and after the initial attack, because the gas lingered in the ground for weeks.

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