Claim: The Collective Security Treaty Organization, an intergovernmental military alliance that was signed on May 15, 1992, The Collective Security Treaty Organization involved an alliance by Armenia, Belarus, Kazakhstan, Kyrgyzstan, Russia, Tajikistan who all joined in 1994.
Evidence: In 1992, six post-Soviet states belonging to the Commonwealth of Independent States—Russia, Armenia, Kazakhstan, Kyrgyzstan, Tajikistan, and Uzbekistan—signed the Collective Security Treaty (also referred to as the "Tashkent Pact" or "Tashkent Treaty"). Three other post-Soviet states—Azerbaijan, Belarus, and Georgia—signed the next year and the treaty took effect in 1994.