Historical clue formulations

• Where one person's trash is another's treasure — 2024-09-06
• Attraction for a bargain hunter — 2022-11-11
• It may be planned before a move — 2006-11-18
• Spring cleaning follow-up, perhaps — 2005-01-28
• Weekend outdoor event — 2002-07-07
• Event in a classified — 1996-08-08