Historical clue formulations

• Shark's mark — 2026-07-30
• Unwitting mark — 2025-12-05
• Pushover — 2025-01-07
• Tool — 2024-11-21
• Con target — 2024-09-06
• Sap — 2024-05-25
• Fall guy — 2023-04-25
• Cline who was the first solo female artist elected to the Country Music Hall of Fame — 2022-12-03
• Sucker — 2022-09-21
• Easy mark — 2022-04-15
• Easy mark — 2022-02-07
• Mark — 2020-10-23
• Easy mark — 2020-06-03
• Sap — 2016-10-16
• Stooge — 2013-03-03
• One easily pushed over — 2007-05-12
• Object of an April Fools joke — 2007-03-31
• Good April fool target — 2007-03-28
• Unwitting victim — 2006-08-28
• Sap — 2006-06-30
• Singer Cline — 2005-08-16
• Easy mark — 2005-03-08
• Fall guy — 2003-03-25
• Easy mark — 2002-07-14
• Fall guy — 1999-06-23
• Stooge — 1998-02-04
• Fall guy — 1998-01-07
• Sucker — 1995-06-25
• Pushover — 1995-06-21