Historical clue formulations

• Ill-tempered — 2020-02-26
• Bad-tempered and unfriendly — 2018-12-12
• Ill-tempered — 2018-05-14
• Irritably sullen — 2016-01-13
• Ill-humored — 2014-02-26
• Crabbed — 2010-01-10
• Ill-tempered — 2005-09-20
• Rude and sullen — 1998-09-22
• Hardly polite — 1994-06-24