[History] Archive 0 Common history: Salt Mine Wieliczka in Poland By: SoB / Category: [History] / 25 October 2016 Read More 0 About Zyklon B By: SoB / Category: [History] / 17 October 2016 Zyklon B was the tradename of a pesticide ultimately used by Nazi Germany in some Holocaust gas chambers. The reason why it was called Read More