Possible Clues:

• A great deal of Eurasia, once: Abbr.
• Lat. and others, once
• Georgia and Russia, under Stalin
• They broke up in 1991: Abbr.
• Pre-1989 Eurasian political divs.
• Independence achievers of 1991: Abbr.
• Old Eurasian locales: Abbr.
• Some former UN members
• Georgia and Lithuania, once: Abbr.
• Much of Eur. and Asia once