Historical clue formulations

• Timeless, to a poet — 2025-11-18
• Everlasting, poetically — 2024-12-08
• Everlasting, poetically — 2024-02-07
• Lasting forever, once — 2022-12-02
• Forever, poetically — 2020-05-07
• Endless, in poetry — 2018-11-05
• E'erlasting — 2017-07-23
• Timeless, to Shakespeare — 2017-05-29
• Perpetual, poetically — 2017-03-10
• Ageless, ages ago — 2016-04-29
• Like God, in the olden days — 2014-06-14
• Forever in the past? — 2014-04-05
• Ageless, in an earlier age — 2013-07-12
• Endless, in verse — 2011-07-12
• Ageless, ages ago — 2010-08-21
• Forever, to a bard — 2010-02-14
• Going on and on, once — 2009-10-09
• Timeless, in verse — 2008-11-09
• Timeless, to Shakespeare — 2008-07-03
• Endless, poetically — 2007-10-08
• Timeless, in verse — 2007-03-25
• Forever, poetically — 2002-12-31
• Everlasting, old-style — 2002-07-16
• Ceaseless, in poetry — 2001-10-14
• Never-ending, old-style — 2001-10-07
• Ageless, once — 2001-02-17
• Forever, poetically — 2000-09-20
• E'erlasting — 1999-12-12
• Timeless, to a poet — 1999-02-09
• Endless, poetically — 1998-08-10
• Timeless, in olden times — 1998-07-19
• Neverending, once — 1997-10-26
• Ev'rlasting — 1997-09-16
• Nev'r-ending — 1997-08-16
• Ageless, in poesy — 1997-04-25
• Perpetual, in poesy — 1997-02-01
• "Open thine eyes ___": Keats — 1996-08-04
• Unending, old style — 1996-07-21
• Timeless, in poesy — 1995-06-04
• Without end, to poets — 1995-05-14