Historical clue formulations

• Grows dimmer — 2024-09-22
• Loses power — 2024-03-22
• Doesn't wax — 2022-11-16
• Declines — 2020-01-17
• Lessens in force — 2018-03-04
• Ebbs — 2017-09-09
• Falls off — 2013-01-26
• Ebbs — 2010-02-11
• Goes down — 2007-02-09
• Ebbs — 2007-02-08
• Declines — 2005-10-10
• Flags — 2005-03-26
• Goes down — 2001-07-26
• Diminishes — 1999-09-19
• Evanesces — 1997-05-14
• Decreases — 1994-01-27