Historical clue formulations

• Ridiculous — 2026-04-20
• Frivolous — 2025-03-26
• "Don't be ___" — 2023-07-21
• Foolish — 2017-03-17
• Preposterous — 2011-04-10
• Nonsensical — 2000-06-19
• One way to be knocked — 1998-06-27
• Fatuous — 1998-05-17