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Treaty Banning Nuclear Weapon Tests in the Atmosphere, in Outer Space and under Water (London Version) (Aug. 5, 1963)

Countries/Territories Entry into force Ratification * Simple signature
Afghanistan Mar 12, 1964 Mar 12, 1964 [1] Aug 8, 1963
Algeria - - Aug 14, 1963
Antigua and Barbuda Nov 1, 1981 Jan 26, 1989 [4] -
Argentina Nov 14, 1986 Nov 14, 1986 [1] Aug 9, 1963
Austria Jul 17, 1964 Jul 17, 1964 [1] Sep 12, 1963
Bahamas Jan 10, 1973 Jul 16, 1976 [4] -
Bangladesh Mar 13, 1985 Mar 13, 1985 [2] -
Belgium Mar 1, 1966 Mar 1, 1966 [1] Aug 8, 1963
Bolivia (Plurinational State of) Jan 25, 1966 Jan 25, 1966 [1] Aug 21, 1963
Botswana Sep 30, 1966 Feb 14, 1968 [2] -
Brazil Mar 4, 1965 Mar 4, 1965 [1] Aug 8, 1963
Bulgaria Dec 2, 1963 Dec 2, 1963 [1] Aug 8, 1963
Cameroon - - Sep 6, 1963
Canada Jan 28, 1964 Jan 28, 1964 [1] Aug 8, 1963
Central African Republic Aug 24, 1965 Aug 24, 1965 [2] -
Chile Oct 6, 1965 Oct 6, 1965 [1] Aug 9, 1963
Colombia - - Aug 20, 1963
Congo, Dem. Rep. of - - Aug 9, 1963
Costa Rica - - Aug 9, 1963
Cyprus Apr 15, 1965 Apr 15, 1965 [1] Aug 8, 1963
Czech Republic Jan 1, 1993 Apr 5, 1993 [4] -
Denmark Jan 15, 1964 Jan 15, 1964 [1] Aug 9, 1963
Dominican Republic Jun 18, 1964 Jun 18, 1964 [1] Sep 17, 1963
Ecuador May 8, 1964 May 8, 1964 [1] Oct 1, 1963
El Salvador Dec 7, 1964 Dec 7, 1964 [1] Aug 22, 1963
Ethiopia - - Aug 9, 1963
Fiji Oct 10, 1970 Aug 14, 1972 [4] -
Finland Jan 9, 1964 Jan 9, 1964 [1] Aug 8, 1963
Gabon Mar 4, 1964 Mar 4, 1964 [1] -
Gambia May 6, 1965 May 6, 1965 [4] -
Germany Dec 1, 1964 Dec 1, 1964 [1] Aug 19, 1963
Ghana Nov 27, 1963 Nov 27, 1963 [1] Sep 4, 1963
Greece Dec 18, 1963 Dec 18, 1963 [1] Aug 9, 1963
Honduras Dec 2, 1964 Dec 2, 1964 [1] Aug 15, 1963
Hungary Oct 21, 1963 Oct 21, 1963 [1] Aug 8, 1963
Iceland Apr 29, 1964 Apr 29, 1964 [1] Aug 12, 1963
India Oct 10, 1963 Oct 10, 1963 [1] Aug 8, 1963
Indonesia May 8, 1964 May 8, 1964 [1] Aug 23, 1968
Iran, Islamic Republic of May 5, 1964 May 5, 1964 [1] Aug 8, 1963
Iraq Nov 30, 1964 Nov 30, 1964 [1] Aug 13, 1963
Ireland Dec 18, 1963 Dec 18, 1963 [1] Aug 8, 1963
Israel Jan 15, 1964 Jan 15, 1964 [1] Aug 8, 1963
Italy Dec 10, 1964 Dec 10, 1964 [1] Aug 8, 1963
Jamaica - - Aug 13, 1963
Japan Jun 15, 1964 Jun 15, 1964 [1] Aug 14, 1963
Jordan May 29, 1964 May 29, 1964 [1] Aug 12, 1963
Kenya Jun 10, 1965 Jun 10, 1965 [2] -
Kuwait May 21, 1965 May 21, 1965 [1] Aug 20, 1963
Lao, People's Dem. Rep. Feb 10, 1965 Feb 10, 1965 [1] Aug 12, 1963
Lebanon May 20, 1965 May 20, 1965 [1] Aug 13, 1963
Liberia May 22, 1964 May 22, 1964 [1] Aug 16, 1963
Libya Jul 15, 1968 Jul 15, 1968 [1] Aug 9, 1963
Luxembourg Feb 10, 1965 Feb 10, 1965 [1] Aug 13, 1963
Malawi Jul 6, 1964 Jan 7, 1965 [2] -
Malaysia Jul 16, 1964 Jul 16, 1964 [1] Aug 12, 1963
Mali - - Aug 23, 1963
Malta Sep 21, 1964 Dec 1, 1964 [4] -
Mauritania Apr 15, 1964 Apr 15, 1964 [1] Sep 17, 1963
Mauritius Mar 12, 1968 May 12, 1969 [4] -
Mexico Dec 27, 1963 Dec 27, 1963 [1] Aug 8, 1963
Mongolia Nov 7, 1963 Nov 7, 1963 [1] Aug 8, 1963
Morocco Feb 1, 1966 Feb 1, 1966 [1] Aug 30, 1963
Nepal Oct 7, 1964 Oct 7, 1964 [1] Aug 26, 1963
Netherlands Sep 14, 1964 Sep 14, 1964 [1] Aug 9, 1963
New Zealand Oct 10, 1963 Oct 10, 1963 [1] Aug 8, 1963
Nicaragua Jan 26, 1965 Jan 26, 1965 [1] Aug 13, 1963
Niger Jul 6, 1964 Jul 6, 1964 [1] Sep 24, 1963
Nigeria Feb 17, 1967 Feb 17, 1967 [1] Sep 2, 1963
Norway Nov 21, 1963 Nov 21, 1963 [1] Aug 9, 1963
Pakistan Mar 3, 1988 Mar 3, 1988 [1] Aug 14, 1963
Papua New Guinea Sep 16, 1975 Oct 27, 1980 [4] -
Paraguay - - Aug 15, 1963
Peru Aug 4, 1964 Aug 4, 1964 [1] Aug 23, 1963
Philippines Nov 10, 1965 Nov 10, 1965 [1] Aug 8, 1963
Poland Oct 14, 1963 Oct 14, 1963 [1] Aug 8, 1963
Portugal - - Oct 9, 1963
Korea, Republic of Jul 24, 1964 Jul 24, 1964 [1] Aug 30, 1963
Romania Dec 12, 1963 Dec 12, 1963 [1] Aug 8, 1963
Rwanda Oct 22, 1963 Oct 22, 1963 [2] -
San Marino Jul 3, 1964 Jul 3, 1964 [1] Sep 20, 1963
Senegal May 6, 1964 May 6, 1964 [1] Sep 23, 1963
Seychelles Mar 12, 1985 Mar 12, 1985 [2] -
Sierra Leone Feb 21, 1964 Feb 21, 1964 [1] Sep 4, 1963
Singapore Aug 9, 1965 Jul 23, 1968 [4] -
Slovakia Jan 1, 1993 May 17, 1993 [4] -
Slovenia Apr 7, 1992 Apr 7, 1992 [4] -
South Africa Oct 10, 1963 Oct 10, 1963 [2] -
Spain Dec 17, 1964 Dec 17, 1964 [1] Aug 14, 1963
Sudan Mar 4, 1966 Mar 4, 1966 [1] Aug 9, 1963
Suriname Jan 6, 1993 Jan 6, 1993 [2] -
Sweden May 29, 1969 May 29, 1969 [2] -
Switzerland Dec 9, 1963 Dec 9, 1963 [1] Aug 12, 1963
Syrian Arab Republic Jan 16, 1964 Jan 16, 1964 [1] Aug 26, 1963
Thailand Jun 1, 1964 Jun 1, 1964 [1] Aug 13, 1963
Tonga Nov 15, 1963 Nov 15, 1963 [1] Aug 8, 1963
Trinidad and Tobago Jul 4, 1970 Jun 22, 1971 [2] -
Tunisia Jul 16, 1964 Jul 16, 1964 [1] Aug 12, 1963
Turkey May 26, 1965 May 26, 1965 [1] Aug 12, 1963
Uganda Jul 8, 1965 Jul 8, 1965 [1] Aug 9, 1963
United Kingdom Mar 24, 1964 Mar 24, 1964 [1] Aug 29, 1963
United States of America Oct 10, 1963 Oct 10, 1963 [1] Aug 5, 1963
Uruguay Oct 10, 1963 Oct 10, 1963 [1] Aug 5, 1963
Venezuela, Boliv. Rep. of Feb 25, 1969 Feb 25, 1969 [1] Sep 27, 1963
Zambia Mar 3, 1965 Mar 3, 1965 [1] Aug 20, 1963
Australia Oct 24, 1964 Feb 8, 1965 [4] -
Myanmar Nov 12, 1963 Nov 12, 1963 [1] Aug 8, 1963
Sri Lanka Nov 15, 1963 Nov 15, 1963 [1] Aug 14, 1963
Czechoslovakia Feb 13, 1964 Feb 13, 1964 [1] Aug 22, 1963
Benin Oct 14, 1963 Oct 14, 1963 [1] Aug 8, 1963
Montenegro Apr 22, 1965 Apr 22, 1965 [1] Sep 3, 1963
former USSR/Soviet Union Jun 3, 2006 Jun 3, 2006 [4] -
Yugoslavia Oct 10, 1963 Oct 10, 1963 [1] Aug 5, 1963
Samoa Jan 15, 1964 Jan 15, 1964 [1] Aug 8, 1963
Tanzania, Un. Rep. of Jan 19, 1965 Jan 19, 1965 [1] Sep 5, 1963
Eswatini, Kingdom of Feb 6, 1964 Feb 6, 1964 [1] Sep 16, 1963

* [1] Ratification [2] Accession/approbation [3] Acceptance/approval [4] Succession [5] Consent to be bound [6] Definite signature