Related Clues:
- Onetime UN power
- Country with a hammer-and-sickle flag, for short
- Old Eurasian letters
- "Back in the ___" (Beatles)
- Amer. ally in W.W. II
- Where Kazakhstan was, once
- Red giant, once?
- Cold War country, briefly
- In brief, former Soviet federation
- Former federation of Russial and other states
- Former association of communist republics
- Former union of socialist republics
- Former soviet states
- Country established in1922, dissolved in 1991
- The Beatles¿ song 'Back in the . . . .'