Historical clue formulations

• All shook up — 2023-05-21
• Worked up — 2014-03-07
• Tense, maybe — 2013-01-31
• Perturbed — 2000-08-25
• Agitated — 1999-02-13
• Perturbed — 1998-06-13
• Agitated — 1997-12-13