| 2026-08-25 | "Miracle on Ice" foe, for short |
| 2026-06-16 | The Beatles' "Back in the ___" |
| 2026-05-29 | Hammer-and-sickle land, for short |
| 2026-05-07 | Country that boycotted the 1984 Olympics |
| 2026-03-02 | The Beatles' "Back in the ___" |
| 2026-02-14 | Losing team in the "Miracle on Ice" |
| 2025-10-29 | Old map inits. |
| 2025-07-29 | Bygone world power, for short |
| 2025-07-10 | See 36-Across |
| 2025-03-09 | It once shared a land border with 16 countries |
| 2024-11-27 | Home to Leningrad, for short |
| 2024-11-01 | Locale of a 1991 coup attempt by the Gang of Eight, in brief |
| 2024-08-03 | Old map letters |
| 2024-04-19 | Locale in a Beatles song |
| 2024-03-19 | Cold War power, for short |
| 2024-01-31 | It's written as "C.C.C.P." in Cyrillic |
| 2023-11-02 | Grp. that launched 41-Across |
| 2023-10-15 | Former governor of Georgia? |
| 2023-08-21 | It broke up on Dec. 26, 1991 |
| 2023-06-29 | One-sixth of the world's ground surface until 1991, in brief |
| 2023-04-06 | Old org. for Armenia |
| 2023-02-09 | U.N. member until 1991 |
| 2022-12-20 | Cold War power, in brief |
| 2022-10-09 | Map inits. until 1991 |
| 2022-08-14 | Old map inits. |
| 2022-06-29 | Geographical inits. until 1991 |
| 2022-04-01 | Federation formed in 1922, for short |
| 2022-03-09 | Losing team in the "Miracle on Ice" hockey game |
| 2022-02-18 | Red states, once, in brief |
| 2021-11-16 | Leningrad's land, for short |
| 2021-08-07 | It raised a major red flag |
| 2021-07-29 | Founding member of the U.N. Security Council |
| 2021-07-17 | Name in a noted '90s breakup |
| 2020-07-07 | Red state, once, for short |
| 2020-06-30 | Geographical inits. until 1991 |
| 2020-05-23 | Red states, once |
| 2020-04-26 | Founding member of the U.N. Security Council, for short |
| 2020-02-14 | Georgia was once a part of it |
| 2019-10-30 | The Beatles' "Back in the ___" |
| 2019-08-25 | Red letters? |
| 2019-07-15 | State led by Lenin, in brief |
| 2018-09-30 | Collapsed red giant? |
| 2018-09-26 | Land in a Beatles song |
| 2018-08-09 | 1922-91 initials |
| 2018-07-19 | American ally in W.W. II |
| 2018-06-28 | Country in a Beatles title |
| 2018-04-25 | Red letters? |
| 2016-09-05 | America's Cold War foe, for short |
| 2016-05-23 | Space race competitor, for short |
| 2016-03-29 | Country in a classic Beatles title |
| 2015-09-13 | 1991 breakup newsmaker |
| 2015-06-09 | One 29-Across of the U.S. in W.W. II |
| 2015-04-13 | Lenin's land, for short |
| 2015-03-17 | Gorbachev's land, for short |
| 2015-01-19 | Gorbachev's land |
| 2014-10-20 | Lenin's land, for short |
| 2014-09-14 | Boycotter of the '84 L.A. Olympics |
| 2014-07-21 | Khrushchev's land, for short |
| 2014-07-06 | Initialism in a Beatles title |
| 2014-05-22 | Group of red states, for short? |
| 2014-04-26 | Red giant that disintegrated? |
| 2014-03-15 | Miracle on Ice loser of '80 |
| 2014-01-10 | Anti-Ballistic Missile Treaty signatory, briefly |
| 2013-09-30 | Stalin's land, in brief |
| 2013-09-24 | "Back in the ___" |
| 2013-06-13 | Apt anagram of "Russ." |
| 2012-07-16 | Reagan's "evil empire," for short |
| 2012-05-12 | Locale in a Beatles title |
| 2012-05-08 | Old NATO target |
| 2012-05-03 | Red letters? |
| 2012-02-08 | Red state, once |
| 2011-12-07 | 1-Down's land |
| 2011-10-27 | Cold war inits. |
| 2011-10-23 | SALT party |
| 2011-10-22 | Treaty signer with Ger. in 1939 |
| 2011-10-10 | The Beatles' "Back in the ___" |
| 2011-09-14 | "Evil empire" initials |
| 2011-08-13 | Red giant, once? |
| 2011-07-15 | Amer. ally in W.W. II |
| 2011-06-14 | Country with a hammer-and-sickle flag, for short |
| 2011-05-29 | Country that disappeared in '91 |
| 2011-05-21 | Erstwhile empire, in brief |
| 2011-05-13 | BOAC destination, in song |
| 2010-11-16 | "Back in the ___" |
| 2010-08-16 | Lenin's land, for short |
| 2010-07-25 | Locale in a 1968 Beatles song |
| 2010-06-29 | "Back in the ___" |
| 2010-05-02 | It disappeared on Dec. 26, 1991 |
| 2010-02-23 | CCCP, in English |
| 2010-02-13 | Former part of 11-Down: Abbr. |
| 2009-10-04 | "Back in the ___" |
| 2009-09-14 | 56-Across's cold war foe |
| 2009-07-23 | See 4-Down |
| 2009-03-16 | Cold war foe, for short |
| 2009-02-15 | Mir launcher |
| 2008-06-29 | Soyuz launcher |
| 2008-06-10 | Reagan's "evil empire" |
| 2008-03-23 | Cold war inits. |
| 2008-02-25 | Stalingrad's land, for short |
| 2007-12-25 | Cold war superpower |
| 2007-10-17 | "Evil empire" of the '80s |
| 2007-09-10 | The Beatles' "Back in the ___" |
| 2007-05-27 | Five-Year Plan implementer, for short |
| 2007-04-25 | U.S. ally in W.W. II |
| 2007-02-06 | Yalta conf. locale |
| 2006-09-11 | SALT I signer |
| 2006-08-28 | U.N. member through 1991 |
| 2006-08-02 | "Red" letters |
| 2006-07-24 | Brezhnev's land, in brief |
| 2006-05-29 | Gorbachev was its last leader: Abbr. |
| 2006-04-24 | Lenin's land, for short |
| 2006-04-23 | 15-Down rival, once |
| 2006-02-24 | Former empire inits. |
| 2006-01-17 | Cold war initials |
| 2005-12-14 | SALT party |
| 2005-10-18 | Cold war inits. |
| 2005-02-04 | Red letters? |
| 2005-01-10 | Gorbachev was its last leader: Abbr. |
| 2004-07-01 | "Back in the ___" |
| 2004-03-14 | Locale in a Beatles song |
| 2004-02-18 | W.W. II ally |
| 2003-12-10 | Cold war inits. |
| 2003-07-16 | "Back in the ___" |
| 2003-05-23 | Where Kalinin was pres. |
| 2003-05-10 | Country founded in 1922: Abbr. |
| 2003-03-24 | Moscow's land, once: Abbr. |
| 2002-11-23 | Former empire |
| 2002-11-14 | Former "evil empire" |
| 2002-04-02 | Cold war foe |
| 2001-12-25 | Cold war initials |
| 2001-09-23 | SALT signatory |
| 2001-05-27 | Khrushchev's concern |
| 2001-03-04 | Boycotter of the '84 L.A. Olympics |
| 2001-02-13 | Warsaw Pact land |
| 2000-11-13 | Russia was part of it: Abbr. |
| 2000-08-22 | Brezhnev's land |
| 2000-08-02 | Cold war inits. |
| 2000-08-01 | The Beatles' "Back in the ___" |
| 2000-05-09 | Subj. of a 1991 breakup |
| 2000-04-02 | The Beatles' "Back in the ___" |
| 1999-07-21 | Former world power, for short |
| 1999-04-03 | Atlas abbr. before 1991 |
| 1998-11-25 | It broke up in Dec. 1991 |
| 1998-08-09 | One of the Allies of W.W. II |
| 1998-07-29 | Stalin's domain |
| 1998-07-18 | Red letters? |
| 1998-07-02 | Former G.D.R. ally |
| 1998-04-26 | Pre-1991 atlas abbr. |
| 1997-01-02 | Soyuz launcher |
| 1996-11-28 | 1980 Olympics host |
| 1996-11-14 | Once-mighty initials |
| 1996-10-27 | 90-Down's land |
| 1996-06-03 | Stalin's realm |
| 1996-06-01 | Bear country? |
| 1996-03-28 | C.I.S. predecessor |
| 1995-12-21 | C.I.S. predecessor |
| 1995-12-06 | The Beatles' "Back in the ____" |
| 1995-11-08 | Brezhnev's land |
| 1995-10-02 | Stalin's land |
| 1995-07-21 | Red letters |
| 1995-07-14 | Country in a 1969 Beatles song |
| 1995-06-28 | Lenin's land: Abbr. |
| 1995-05-07 | Red letters |
| 1994-09-29 | SALT participant |
| 1994-09-18 | Space race participant |
| 1994-09-04 | Ex-superpower |
| 1994-08-24 | Former empire |
| 1994-08-18 | 1980 Olympics host |
| 1994-02-11 | Locale in a Beatles song |
| 1993-11-29 | Stalin ruled it |