CCL
3 letters
Historical clue formulations
- Half of D — 2023-02-01
- A quarter of M — 2017-04-30
- D halved — 2015-01-25
- M quarter — 2012-12-15
- 250, in old Rome — 2011-10-31
- Third-century year — 2011-04-03
- D with 50% off — 2005-01-20
- Quarter of M — 2004-08-27
- Quarter millennium — 2001-12-13
- 250, Roman-style — 2000-05-01
- Quarter of a mille — 1999-10-15
- Quarter-millennium — 1998-06-21
- Year in Fabian's papacy — 1996-10-11
- Half of D — 1994-06-19