| Clue | Source | Date |
|---|---|---|
| Historic Red Wedding? | ||
| Country invaded by Nazi Germany in June 1941 (6,5) | ||
| Communist state founded in 1922 | The Times Specialist Sunday | 11 Mar 2018 |
| It dissolved on Dec. 31, 1991 | Universal | 30 Jun 2017 |
| It dissolved on Dec. 31, 1991 | ||
| It once had many satellites in its orbit | ||
| It was dissolved by the Belavezha Accords | ||
| It was dissolved by the Belavezha Accords | ||
| Cold War combatant | ||
| Georgia was in it |