Historical clue formulations

• Fred Flintstone's boss at the rock quarry — 2026-08-26
• Fred Flintstone's boss — 2018-07-15
• Fred Flintstone's boss — 2014-08-31
• Quarry boss of cartoons — 2011-03-26
• Cartoon boss working at a quarry — 2007-10-26
• Fred Flintstone's boss — 2002-06-02