Nuclear weapons debate
After the bombings of Hiroshima and Nagasaki, the world’s nuclear weapons stockpiles grew, and nuclear weapons have been detonated on over two thousand occasions for testing and demonstration purposes. Countries known to have detonated nuclear weapons—and that acknowledge possessing such weapons—are (chronologically): the United States, the Soviet Union (succeeded as a nuclear power by Russia), the United Kingdom, France, the People's Republic of China, India, Pakistan, and North Korea.
United Nations Security Council Resolution 1747
Iran and weapons of mass destruction:
As of 2007, Iran is not known to possess weapons of mass destruction and has signed treaties repudiating their possessions, including the Biological Weapons Convention, the Chemical Weapons Convention, and the Nuclear Non-Proliferation Treaty (NPT). A number of countries, including the United States, the United Kingdom, and France, have accused Iran of a clandestine intention to develop nuclear weapons. By most estimates, Iran is at least two to six years away from being able to produce an atomic bomb, even if it wanted to.