SOVIET
| Date | Clue |
|---|---|
| 2025-12-05 | Council, in Russian |
| 2025-05-11 | "Council," in Russian |
| 2019-02-04 | The first "S" in U.S.S.R. |
| 2018-03-18 | Like the first man-made space satellite |
| 2015-12-16 | Old political council |
| 2014-07-04 | It means "council" in Russian |
| 2011-05-12 | ___ Union |
| 2009-02-09 | Communist council |
| 2008-05-28 | Bygone political council |
| 2007-08-23 | Bygone council |
| 2002-02-04 | Part of U.S.S.R. |
| 2001-08-08 | With 49-Down, bygone alliance |
| 1997-05-26 | Bygone Russian group |
| 1995-04-30 | Defunct council |