Historical clue formulations

• Cantankerous — 2023-09-07
• Cantankerous — 2023-08-23
• Bad-tempered and combative — 2022-11-08
• Headstrong — 2020-04-19
• Stubborn — 2014-09-16
• Irascible — 2013-09-22
• Ill-tempered — 2008-05-03
• Cantankerous — 2008-02-17
• Difficult — 2007-07-08
• Cantankerous — 2005-10-04
• Hard to please — 2004-08-21
• Cantankerous — 2003-08-25
• Cantankerous — 2003-06-08
• Mean — 2001-12-14
• Not at all nice — 2001-11-17
• Pig-headed — 2001-11-08
• Difficult — 2001-04-29
• Stubborn as a mule — 2001-02-08
• Cantankerous — 2000-01-30
• Mean — 1999-12-30
• Obstinate — 1998-11-18
• Obstinate — 1997-12-15
• Obstinate — 1993-12-07
• Cantankerous — 1993-12-06