Related Clues:

• Pre-1991 atlas abbr
• Red state, formerly
• "Back in the ___" (Beatles song)
• Georgia was a part of it: Abbr
• Reagan's "evil empire"
• It broke up in 1991: Abbr
• "Back in the ___" (Beatles hit)
• One of the WWII Allies
• Letters on old Asian maps
• 1979 Afghanistan invader: Abbr
• Beatles' 'Back in the --'
• Country established in1922 and dissolved in 1991, in short
• It dissolved in Dec. 1991
• Sov. Union
• Soviet letters