An official website of the United States Government Here's how you know

Official websites use .gov

A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS

A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Entered into force March 5, 1970.

In accordance with Article IX, paragraph 3, the Treaty entered into force after its ratification by the States, the Governments of which are the designated Depositaries of the Treaty [Russian Federation, United Kingdom, United States], and forty other States signatory to this Treaty and the deposit of their instruments of ratification. For States whose instruments of ratification or accession are deposited subsequent to the entry into force of this Treaty, it shall enter into force on the date of deposit of their instruments of ratification or accession.

Download Status lists [488 KB]

U.S. Department of State

The Lessons of 1989: Freedom and Our Future