In 1948 the UN introduced a new category called Weapons of Mass Destruction: atomic explosives, radioactive material weapons, chemical and biological weapons.
Fact boxDeclared nuclear states:
USA (1945)
Soviet Union (1949)
Britain (1952)
France (1960)
China (1964)
India (1998)
Pakistan (1998)
Undecleared:
Israel
Nuclear weaponsHiroshima and Nagasaki demonstrated the devastation that nuclear weapons cause.…