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apr 15, 1915 - Poison Gas is deployed by Germany.

Description:

Poison Gas was used to injure/kill soldiers in trenches during WW1. When it became more widely used in the war gas masks were developed as a countermeasure.

Added to timeline:

WW1 Timline

BySean Kelly
3 Jan 2019
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0
536

Date:

apr 15, 1915
Now
~ 111 years ago

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