0 h 7 m, 22 abr 1915 año - Germany initiates the use of chemical warfare, another tactic that surprised enemy forces, and helped give the Central Powers more of an edge on the battlefield. This made the use of chemical warfare more common even today. The German forced used a chlorine attack that killed thousands.
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0 h 7 m, 22 abr 1915 año
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~ 109 years ago
