Ukr., until 1991, e.g.

• Russian unit: Abbr.
• Lith., e.g., once
• The Ukraine, e.g
• Abbr. on Cold War maps
• Bygone map inits
• Latvia or Armenia: Abbr
• Estonia or Georgia, at one time: Abbr
• Old union member: Abbr.
• Old map inits

Wikipedia Word definitions in Wikipedia
SSR may refer to: