I Love to Laugh Mr. Wigg, is said to float because of an excess of "laughing gas", although it is clear that the term is not used in the chemical sense. So-called "laughing gas" (nitrous oxide) was one of the earliest effective anaesthetics developed in the Nineteenth century. it was popularised by dentists, for pain-free tooth extractions, as well as by showground novelty booths. Customers at the booth would be gassed and, as they were recovering from the drugged sleep they often felt euphoric and giggly. Hence the name. A famous 1931 British comedy sketch starring Cicely Courtneidge, called "Laughing Gas", was based on
Allegations of chemical weapons use in the Sri Lankan Civil War Weapons into charges of chemical weapons use by the LTTE. In 1990 the LTTE conducted a chemical attack using commercially obtained barrells of chlorine gas against a Sri Lanka army encampment in eastern Kiran, in the Batticaloa district. This was noted as the first non-state use of a chemical weapon in warfare. LTTE also used the non-lethal agent CS gas against advancing government troops but with little effect due to the troops being prepared for chemical warfare however several soldiers developed breathing difficulties. CS gas is commonly used for tear gas in riot control but can cause severe burns. Allegations