Ratification of the Convention concerning the Protection of the World Cultural and Natural Heritage by the Union of Soviet Socialist Republics: October 12, 1988; Entry into force: January 12, 1989. Succession by Armenia: September 5, 1993.
Ratification made by the Byelorussian Soviet Socialist Republic.
Ratification of the Convention concerning the Protection of the World Cultural and Natural Heritage by the Socialist Federal Republic of Yugoslavia: May 26, 1975; Entry into force: December 17, 1975. Succession by Bosnia and Herzegovina: July 12, 1993.
Ratification of the Convention concerning the Protection of the World Cultural and Natural Heritage by the Socialist Federal Republic of Yugoslavia: May 26, 1975; Entry into force: December 17, 1975. Succession by Croatia: July 6, 1992.
Acceptance of the Convention concerning the Protection of the World Cultural and Natural Heritage by Czechoslovakia: November 15, 1990; Entry into force: February 15, 1991. Succession by the Czech Republic: March 26, 1993.
Ratification made by Zaire.
Ratification of the Convention concerning the Protection of the World Cultural and Natural Heritage by the Union of Soviet Socialist Republics: October 12, 1988; Entry into force: January 12, 1989. Succession by Georgia: November 4, 1992.
Dates refer to the Federal Republic of Germany. German Democratic Republic: Acceptance: March 12, 1989.
Ratification of the Convention concerning the Protection of the World Cultural and Natural Heritage by the Socialist Federal Republic of Yugoslavia: May 26, 1975; Entry into force: December 17, 1975. Succession by Serbia and Montenegro: September 11, 2001; Entry into force: April 27, 1992. Succession by Montenegro: April 26, 2007.
Ratification of the Convention concerning the Protection of the World Cultural and Natural Heritage by the Socialist Federal Republic of Yugoslavia: May 26, 1975; Entry into force: December 17, 1975. Succession by the former Yugoslav Republic of Macedonia: April 30, 1997.
Ratification made by the Union of Soviet Socialist Republics.
Ratification of the Convention concerning the Protection of the World Cultural and Natural Heritage by the Socialist Federal Republic of Yugoslavia: May 26, 1975; Entry into force: December 17, 1975. Succession by Serbia and Montenegro: September 11, 2001.
Acceptance of the Convention concerning the Protection of the World Cultural and Natural Heritage by Czechoslovakia: November 15, 1990; Entry into force: February 15, 1991. Succession by the Slovakia: March 31, 1993.
Ratification of the Convention concerning the Protection of the World Cultural and Natural Heritage by the Socialist Federal Republic of Yugoslavia: May 26, 1975; Entry into force: December 17, 1975. Succession by Slovenia: November 5, 1992.
Ratification of the Convention concerning the Protection of the World Cultural and Natural Heritage by the Union of Soviet Socialist Republics: October 12, 1988; Entry into force: January 12, 1989. Succession by Tajikistan: August 28, 1992.
Ratification of the Convention concerning the Protection of the World Cultural and Natural Heritage by the Union of Soviet Socialist Republics: October 12, 1988; Entry into force: January 12, 1989. Succession by Turkmenistan: September 30, 1994.
Ratification made by the Ukrainian Soviet Socialist Republic.
Ratification of the Convention concerning the Protection of the World Cultural and Natural Heritage by the Union of Soviet Socialist Republics: October 12, 1988; Entry into force: January 12, 1989. Succession by Uzbekistan: January 13, 1993.
Dates refer to Democratic Yemen. The Yemen Arab Republic: Ratification: April 25, 1984.