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United Kingdom of Great Britain and Northern Ireland
1925 Geneva Protocol
Signature (Paris)
17 June 1925
Deposit of instruments of ratification (Paris)
9 April 1930
*
Antarctic Treaty
Signature (Washington)
1 December 1959
Deposit of instruments of ratification (Washington)
31 May 1960
Anti-Personnel Mine Ban Convention
Signature (UN)
3 December 1997
Deposit of instruments of ratification (UN)
31 July 1998
*
Arms Trade Treaty
Signature (UN)
3 June 2013
Deposit of instruments of ratification (UN)
2 April 2014
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Biological Weapons Convention
Signature (London)
10 April 1972
Signature (Moscow)
10 April 1972
Signature (Washington)
10 April 1972
Deposit of instruments of ratification (Moscow)
26 March 1975
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Deposit of instruments of ratification (Washington)
26 March 1975
*
Deposit of instruments of ratification (London)
26 March 1975
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Chemical Weapons Convention
Signature (UN)
13 January 1993
*
Deposit of instruments of ratification (UN)
13 May 1996
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Comprehensive Nuclear-Test-Ban Treaty
Signature (UN)
24 September 1996
Deposit of instruments of ratification (UN)
6 April 1998
Convention on Certain Conventional Weapons
Signature (UN)
10 April 1981
*
Deposit of instruments of ratification (UN)
13 February 1995
*
Deposit of instruments of acceptance to
Amendment to the Convention on Certain Conventional Weapons
(UN)
25 July 2002
Consent to be bound to
Protocol I to the Convention on Certain Conventional Weapons
(UN)
13 February 1995
Consent to be bound to
Protocol II to the Convention on Certain Conventional Weapons
(UN)
13 February 1995
Consent to be bound to
Amended Protocol II on the Use of Mines, Booby-Traps and Other Devices
(UN)
11 February 1999
*
Consent to be bound to
Protocol III to the Convention on Certain Conventional Weapons
(UN)
13 February 1995
Consent to be bound to
Protocol IV on Blinding Laser Weapons
(UN)
11 February 1999
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Convention on Cluster Munitions
Signature (UN)
3 December 2008
Deposit of instruments of ratification (UN)
4 May 2010
*
Convention on Environmental Modification Techniques (ENMOD)
Signature (UN)
18 May 1977
Deposit of instruments of ratification (UN)
16 May 1978
*
International Convention for the Suppression of Acts of Nuclear Terrorism
Signature (UN)
14 September 2005
Deposit of instruments of ratification (UN)
24 September 2009
Outer Space Treaty
Signature (Washington)
27 January 1967
Signature (London)
27 January 1967
Signature (Moscow)
27 January 1967
Deposit of instruments of ratification (London)
10 October 1967
*
Deposit of instruments of ratification (Moscow)
10 October 1967
*
Deposit of instruments of ratification (Washington)
10 October 1967
*
Partial Test Ban Treaty
Signature (Washington)
5 August 1963
Signature (Moscow)
5 August 1963
Signature (London)
5 August 1963
Deposit of instruments of ratification (Washington)
10 October 1963
Deposit of instruments of ratification (London)
10 October 1963
*
Deposit of instruments of ratification (Moscow)
10 October 1963
Pelindaba Treaty
Signature to
Protocol I to the Pelindaba Treaty
(African Union)
11 April 1996
*
Signature to
Protocol II to the Pelindaba Treaty
(African Union)
11 April 1996
*
Deposit of instruments of ratification of
Protocol II to the Pelindaba Treaty
(African Union)
12 March 2001
*
Deposit of instruments of ratification of
Protocol I to the Pelindaba Treaty
(African Union)
12 March 2001
*
Sea-bed Treaty
Signature (London)
11 February 1971
Signature (Washington)
11 February 1971
Signature (Moscow)
11 February 1971
Deposit of instruments of ratification (London)
18 May 1972
*
Deposit of instruments of ratification (Moscow)
18 May 1972
*
Deposit of instruments of ratification (Washington)
18 May 1972
*
South Pacific Nuclear Free Zone Treaty
Signature to
Protocol 2 to the South Pacific Nuclear Free Zone Treaty
(PIFS)
25 March 1996
Signature to
Protocol 3 to the South Pacific Nuclear Free Zone Treaty
(PIFS)
25 March 1996
Signature to
Protocol 1 to the South Pacific Nuclear Free Zone Treaty
(PIFS)
25 March 1996
Deposit of instruments of ratification of
Protocol 3 to the South Pacific Nuclear Free Zone Treaty
(PIFS)
19 September 1997
*
Deposit of instruments of ratification of
Protocol 1 to the South Pacific Nuclear Free Zone Treaty
(PIFS)
19 September 1997
*
Deposit of instruments of ratification of
Protocol 2 to the South Pacific Nuclear Free Zone Treaty
(PIFS)
19 September 1997
*
Treaty of Tlatelolco
Signature to
Additional Protocol II to the Treaty of Tlatelolco
(Mexico City)
20 December 1967
*
Signature to
Additional Protocol I to the Treaty of Tlatelolco
(Mexico City)
20 December 1967
*
Deposit of instruments of ratification of
Additional Protocol II to the Treaty of Tlatelolco
(Mexico City)
11 December 1969
*
Deposit of instruments of ratification of
Additional Protocol I to the Treaty of Tlatelolco
(Mexico City)
11 December 1969
*
Treaty on Conventional Armed Forces in Europe (CFE)
Signature (The Hague)
19 November 1990
Signature to
Agreement on Adaptation of the Treaty on Conventional Armed Forces in Europe
(The Hague)
19 November 1999
Deposit of instruments of ratification (The Hague)
19 November 1991
*
Treaty on Open Skies
Signature (Budapest)
24 March 1992
Signature (Ottawa)
24 March 1992
Deposit of instruments of ratification (Ottawa)
8 December 1993
*
Deposit of instruments of ratification (Budapest)
8 December 1993
*
Treaty on a Nuclear-Weapon-Free Zone in Central Asia (CANWFZ)
Signature to
Protocol to the Treaty on a Nuclear-Weapon-Free Zone in Central Asia (CANWFZ)
(Bishkek)
6 May 2014
*
Deposit of instruments of ratification of
Protocol to the Treaty on a Nuclear-Weapon-Free Zone in Central Asia (CANWFZ)
(Bishkek)
30 January 2015
Treaty on the Non-Proliferation of Nuclear Weapons (NPT)
Signature (Washington)
1 July 1968
Signature (Moscow)
1 July 1968
Signature (London)
1 July 1968
*
Deposit of instruments of ratification (Moscow)
29 November 1968
*
Deposit of instruments of ratification (London)
27 November 1968
*
Deposit of instruments of ratification (Washington)
27 November 1968
*
