 Invented by German chemist, Fritz Haber to help assist German war efforts  Used for the first time in heavy use, at the third battle of Ypres (more on that later)  Although its popularity has died out since its first uses, it still has continued to be used in conflicts  It is estimated that in the first world war, 88,498 troops were killed via gas, while 1,240,853 were wounded

 Mustard gas had a distinct yellow color and a strong odor.  Unlike most chemical agents, a gas mask is futile in protecting oneself  Attacks damp areas of the flesh  Mustard gas would remain in low areas for days at a time, and seep into ground

 Mustard gas would attack exposed, damp skin  The effects of skin being exposed to this gas were horrible, although rarely killer  Within 24 hours of contact, can cause intense itching leading to skin blisters filled with yellow fluid

 Internal bleeding, if breathed in & blistering of internal organs  Most people who were attacked are not killed, but take weeks of recuperation and death can take as long as several weeks  Povidone-iodine quickly applied to affected areas can help ease symptoms. Hard to apply, as in battlefield

 Battle of Ypres (passchendaele) First major use of mustard gas in history, devastated morale of forces used on.  4’086 soldiers killed, 160’526 injured from gas  Most devastating single use in entire war and mustard gas’s history (battle fought over 6 months)  &NR=1&feature=endscreen

 Halabja poison gas attack:  Largest chemical weapons attack against a civilian population in history.  Saddam Hussein uses gas to quell a rebellion by Kurds in Northern Iraq, 5’000 people killed, 10’000 injured, many more deaths in years following

 Preparing for Conflict with Iraq in Iran-Iraq war

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