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  2. List of parties to the Treaty on the Non-Proliferation of ...

    en.wikipedia.org/wiki/List_of_parties_to_the...

    The list of parties to the Nuclear Non-Proliferation Treaty encompasses the states which have signed and ratified or acceded to the international agreement limiting the spread of nuclear weapons. On 1 July 1968, the Nuclear Non-Proliferation Treaty (NPT) was opened for signature. The three depositary states were the Soviet Union (and later its ...

  3. Budapest Memorandum - Wikipedia

    en.wikipedia.org/wiki/Budapest_Memorandum

    The Budapest Memorandum on Security Assurances comprises three substantially identical political agreements signed at the OSCE conference in Budapest, Hungary, on 5 December 1994, to provide security assurances by its signatories relating to the accession of Belarus, Kazakhstan and Ukraine to the Treaty on the Non-Proliferation of Nuclear Weapons (NPT).

  4. List of parties to the Comprehensive Nuclear-Test-Ban Treaty

    en.wikipedia.org/wiki/List_of_parties_to_the...

    Nine Annex 2 states have not ratified the treaty: China, Egypt, Iran, Israel, Russia and the United States have already signed the Treaty, whereas India, North Korea and Pakistan have not signed it. The treaty will come into force only with the signature and ratification of the above Annex 2 states of the treaty, 180 days after they have all ...

  5. Treaty on the Non-Proliferation of Nuclear Weapons - Wikipedia

    en.wikipedia.org/wiki/Treaty_on_the_Non...

    This is an accepted version of this page This is the latest accepted revision, reviewed on 15 February 2025. This article's lead section may be too long. Please read the length guidelines and help move details into the article's body. (August 2024) International treaty Nuclear Non-Proliferation Treaty Treaty on the Non-Proliferation of Nuclear Weapons Participation in the Nuclear Non ...

  6. List of parties to weapons of mass destruction treaties

    en.wikipedia.org/wiki/List_of_parties_to_weapons...

    1 Comprehensively ban chemical weapons Partial Nuclear Test Ban Treaty [4] 1963 126 10 Ban all nuclear weapons tests except for those conducted underground: Nuclear Non-Proliferation Treaty [5] 1970 191 0 1. prevent nuclear proliferation; 2. promote nuclear disarmament; 3. promote peaceful uses of nuclear energy

  7. Nuclear proliferation - Wikipedia

    en.wikipedia.org/wiki/Nuclear_proliferation

    At present, 189 countries are States Parties to the Treaty on the Nonproliferation of Nuclear Weapons, more commonly known as the Nuclear Non-Proliferation Treaty or NPT. These include the five Nuclear Weapons States (NWS) recognized by the NPT: the People's Republic of China , France , Russian Federation , the UK , and the United States .

  8. Treaty on the Prohibition of Nuclear Weapons - Wikipedia

    en.wikipedia.org/wiki/Treaty_on_the_Prohibition...

    The vote on the final draft [15] took place on 7 July 2017, with 122 countries in favour, 1 opposed (Netherlands), and 1 abstention (Singapore). [43] Among the countries voting for the treaty's adoption were South Africa and Kazakhstan, [44] both of which formerly possessed nuclear weapons and gave them up voluntarily. Iran and Saudi Arabia ...

  9. Switzerland and weapons of mass destruction - Wikipedia

    en.wikipedia.org/wiki/Switzerland_and_weapons_of...

    There were plans for 7 underground nuclear tests in "uninhabited regions" of Switzerland; a location with a radius of 2–3 kilometres (1.21.9 mi) "that can be sealed off completely." [8] [1] In addition, Switzerland purchased uranium and stored it in nuclear reactors purchased from the United States, the first of which was built in 1960.