CEN
| Date | Clue |
|---|---|
| 2025-10-24 | The 1900s, e.g.: Abbr. |
| 2025-04-24 | One of 10 in a millennium: Abbr. |
| 2023-10-19 | 100 yrs. |
| 2019-08-01 | Long life: Abbr. |
| 2019-04-19 | The 2000s, e.g.: Abbr. |
| 2016-01-24 | 1900s, e.g.: Abbr. |
| 2014-10-20 | 100 yrs. |
| 2014-08-13 | 2000s, e.g.: Abbr. |
| 2014-07-05 | 800s, e.g.: Abbr. |
| 2012-08-21 | 100 years: Abbr. |
| 2012-04-13 | 2000s, e.g.: Abbr. |
| 2011-09-15 | 1900s, e.g.: Abbr. |
| 2009-12-09 | 1900-99, e.g.: Abbr. |
| 2009-10-30 | Long time: Abbr. |
| 2009-07-07 | 100 years: Abbr. |
| 2009-06-21 | About 877,000 hrs. |
| 2009-03-06 | What few people live for: Abbr. |
| 2006-09-27 | 100 yrs. |
| 2006-07-02 | 1776-1876: Abbr. |
| 2004-05-21 | The 21st, e.g.: Abbr. |
| 2003-12-27 | Long time: Abbr. |
| 2002-12-24 | Long time: Abbr. |
| 2002-08-20 | Fivescore yrs. |
| 2002-05-26 | 100 yrs. |
| 2001-02-15 | The 900's, e.g.: Abbr. |
| 2000-12-13 | 100 yrs. |
| 1999-09-02 | 100 yrs. |
| 1999-07-30 | The 1000's, e.g.: Abbr. |
| 1998-09-04 | The 1900's, e.g.: Abbr. |
| 1997-11-30 | The 21st, e.g.: Abbr. |
| 1997-07-19 | Midmost: Abbr. |
| 1997-06-22 | Mid. |
| 1996-09-24 | 100 yrs. |
| 1996-01-22 | 100 yrs. |
| 1995-09-08 | 100 yrs. |
| 1995-05-02 | 100 yrs. |
| 1995-03-05 | 100 yrs. |
| 1994-09-24 | 1800's, e.g.: Abbr. |