Related Clues:
- Bygone union member: Abbr.
- It disappeared on Dec. 26, 1991
- Georgia used to be part of it
- Pre-1991 superpower
- Cold-war adversary
- Red letters
- Locale in a 1968 Beatles song
- US' cold-war adversary
- Georgia letters, pre-1991
- Khrushchev's country
- Map abbr. before 1991
- Pres. Reagan's "evil empire"
- Former Eurasian superpower
- Fed. dissolved by the Belavezha Accords
- Bygone Russ. state