Estonia

1925 Geneva Protocol
Signature (Paris) 17 June 1925  
Deposit of instruments of ratification (Paris) 28 August 1931 *
Antarctic Treaty
Deposit of instruments of accession (Washington) 17 May 2001  
Anti-Personnel Mine Ban Convention
Deposit of instruments of accession (UN) 12 May 2004  
Arms Trade Treaty
Signature (UN) 3 June 2013  
Deposit of instruments of approval (UN) 2 April 2014 *
Biological Weapons Convention
Deposit of instruments of accession (Moscow) 1 July 1993  
Deposit of instruments of accession (Washington) 21 June 1993  
Chemical Weapons Convention
Signature (UN) 14 January 1993  
Deposit of instruments of ratification (UN) 26 May 1999  
Comprehensive Nuclear-Test-Ban Treaty
Signature (UN) 20 November 1996  
Deposit of instruments of ratification (UN) 13 August 1999  
Convention on Certain Conventional Weapons
Deposit of instruments of ratification of Amendment to the Convention on Certain Conventional Weapons (UN) 12 May 2003  
Deposit of instruments of accession (UN) 20 April 2000  
Consent to be bound to Protocol III to the Convention on Certain Conventional Weapons (UN) 20 April 2000  
Consent to be bound to Protocol I to the Convention on Certain Conventional Weapons (UN) 20 April 2000  
Consent to be bound to Protocol V on Explosive Remnants of War (UN) 18 December 2006  
Consent to be bound to Protocol IV on Blinding Laser Weapons (UN) 20 April 2000  
Consent to be bound to Amended Protocol II on the Use of Mines, Booby-Traps and Other Devices (UN) 20 April 2000  
Convention on Environmental Modification Techniques (ENMOD)
Deposit of instruments of accession (UN) 14 April 2011  
International Convention for the Suppression of Acts of Nuclear Terrorism
Signature (UN) 14 September 2005  
Outer Space Treaty
Deposit of instruments of accession (Washington) 19 April 2010  
Treaty on Open Skies
Deposit of instruments of accession (Ottawa) 24 March 2005  
Deposit of instruments of accession (Budapest) 24 March 2005  
Treaty on the Non-Proliferation of Nuclear Weapons (NPT)
Deposit of instruments of accession (Washington) 31 January 1992  
Deposit of instruments of accession (London) 7 January 1992