43. Syrian Military Used Sarin Against Civilians in Damascus Suburbs, 2013: 1,429 Casualties, 2200 Wounded
The use of chemical weapons by the Syrian government forces culminated on the attack on the Damascus suburb of Ghouta. Rockets were fired into the densely populated urban areas to the east and south of Damascus, areas that were held by rebel forces.
In the attack, nearly 1500 people were killed, including over 400 children. The vast majority of the casualties were civilians. The event sparked an international outcry and led the international community to coordinate an effort to remove chemical weapons from Syria.
