World War I
Gas masks are protective masks designed to filter out harmful gases and particulates from the air, allowing soldiers to breathe safely in toxic environments. Developed during World War I, these masks became essential for troops engaged in trench warfare, where chemical weapons like chlorine and mustard gas were used to devastating effect. The introduction of gas masks represented a significant advancement in military technology, enabling armies to adapt to the horrors of chemical warfare and protect their personnel on the battlefield.
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