Lithuania March 11, 1990 Georgia April 9, 1991 Estonia August 20, 1991 Latvia August 21, 1991 Ukraine August 24, 1991 Belarus August 25, 1991 Moldova August 27, 1991 Azerbaijan August 30, 1991 Kyrgyzstan August 31, 1991 Uzbekistan August 31, 1991 Tajikistan September 9, 1991 Armenia September 21, 1991 Turkmenistan October 27, 1991 Russia December 12, 1991 Kazakhstan December 16, 1991