The Second Battle of Ypres was a First World War battle fought for control of the strategic Flemish town of Ypres in western Belgium in the spring of 1915, following the First Battle of Ypres the previous autumn. It marked the first time that Germany used poison gas on a large scale on the Western Front. .
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The second battle of Ypres was the first time people (German)used chlorine gas as a weapon. Germans had on gas masks(which they invented)when they used chlorine gas as a grenade. This weapon was illegal in war and if you were caught with it you would be killed. 6,000 people died of suffer-cation due to gas or from the ensuing attack. The interesting fact is that although the Germans were unfair the Canadians held their ground and never lost to Them.