Soviet Union Transcaucasian Socialist Federative Soviet Republic Armenian Soviet Socialist Republic Georgian Soviet Socialist Republic Azerbaijan Soviet Socialist Republic First Nagorno-Karabakh War (1988 – 1994) Ossetian-Ingush conflict (1989 – 1991) Chechen Republic of Ichkeria (1991 – 2000) Republic of Georgia (since 1991) Armenia (since 1991) Republic of Azerbaijan (since 1991)