| 2026-01-19 | X minus III, in old Rome |
| 2025-11-23 | Number of ancient kings in pre-Republic Rome |
| 2024-07-30 | Seven on a sundial |
| 2024-03-12 | X–III |
| 2022-12-19 | Seven on a grandfather clock |
| 2019-09-13 | Edward of the Edwardian Era |
| 2016-09-04 | Number of hills in ancient Rome |
| 2016-08-21 | The Henry who founded the House of Tudor |
| 2015-01-15 | Hour on a grandfather clock |
| 2012-08-14 | Roman septet |
| 2011-12-16 | Last article in the Constitution |
| 2011-09-09 | Last article of the U.S. Constitution |
| 2011-07-30 | The first manned Apollo mission |
| 2011-02-13 | The King Henry who founded the Tudor dynasty |
| 2009-03-09 | 7, to Caesar |
| 2008-10-28 | Last article in the Constitution |
| 2008-02-17 | I's opposite on a clock |
| 2008-01-14 | 7 on a grandfather clock |
| 2008-01-07 | III + IV |
| 2007-05-13 | Sundial hour |
| 2007-02-18 | The Henry who founded the Tudor line |
| 2005-05-15 | Evening hour, on a clock |
| 2002-09-28 | The Olympics held in Antwerp |
| 2000-08-29 | The Henry who founded the Tudor line |
| 2000-07-09 | Spain's last King Ferdinand |
| 1999-12-09 | The first Tudor Henry |
| 1999-11-07 | Numeral in a Uris title |
| 1999-10-03 | Charles who was dubbed "the Victorious" |
| 1999-09-30 | Clock numeral |
| 1997-05-08 | Number of articles in the Constitution |
| 1995-10-14 | Sundial hour |