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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. 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 .

  5. 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

  6. 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 (1.2–1.9 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.

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

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

    Libya had signed (in 1968) and ratified (in 1975) the Nuclear Non-Proliferation Treaty and was subject to IAEA nuclear safeguards inspections, but undertook a secret nuclear weapons development program in violation of its NPT obligations, using material and technology provided by the A.Q. Khan proliferation network [128] —including actual ...

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

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

    All five nuclear weapons states recognized under the Nuclear Non-Proliferation Treaty (China, France, Russia, the United Kingdom, and the United States) signed the treaty, with 66 other states following that day. [2] Fiji became the first state to ratify the treaty on October 10, 1996. As of November 2024, 187 states have signed and 178 states ...

  9. Nuclear program of Iran - Wikipedia

    en.wikipedia.org/wiki/Nuclear_program_of_Iran

    Iran signed the Nuclear Non-Proliferation Treaty (NPT) in 1968 and ratified it in 1970, making Iran's nuclear program subject to IAEA verification. A Central Treaty Organization nuclear sciences institute [23] was moved from Baghdad to Tehran after Iraq left CENTO.