Historical clue formulations

• Past its glory — 2025-02-20
• High on marijuana, in slang — 2022-01-02
• Not as bright — 2018-03-16
• Nearly forgotten — 2015-01-29
• No longer vivid — 2010-04-05
• No longer bright — 2005-02-14
• Sun-bleached — 2004-07-26
• No longer sharp — 2003-08-17