| 2025-08-01 | Chess great Spassky |
| 2025-04-13 | First name of Russia's first president |
| 2023-09-23 | First name of Russia's leader, 1991-99, and of Britain's leader, 2019-22 |
| 2023-08-11 | Name of three czars of Bulgaria |
| 2019-08-15 | First name of Russia's first president |
| 2016-07-26 | Foe of Rocky and Bullwinkle |
| 2016-07-17 | ___ Johnson, former mayor of London |
| 2012-11-06 | London mayor Johnson |
| 2010-07-07 | Czar of Russia between Feodors |
| 2008-02-12 | Cartoon villain Badenov |
| 2006-05-28 | Czar in a Mussorgsky opera |
| 2003-10-30 | Title character in a Pushkin drama |
| 2001-04-15 | Mussorgsky bass |
| 2000-02-15 | Mussorgsky's Godunov |
| 1999-11-18 | Villain for Rocky and Bullwinkle |
| 1997-07-30 | Pushkin hero |
| 1997-05-28 | Tennis's Becker |
| 1996-10-02 | First name in the Kremlin |
| 1995-01-19 | Enemy of Rocky and Bullwinkle |
| 1994-07-01 | Bulgarian king, 1918-43 |