Langemark in Belgium has the dubious honor of being the place where chemical warfare made its debut: on April 22, 1915, German soldiers opened gas bottles from which 180 tons of chlorine gas hissed away. At least a thousand soldiers died in a blind panic.
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In the early nineteenth century, the industrial revolution swept across continental Europe and one steelworks after another rose from the ground. Europe had hundreds of blast furnaces, but since the mid-twentieth century, Europe's steel industry has been slowly going downhill.
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