Historical clue formulations

• Agitated — 2017-01-28
• Ticked off — 2014-07-17
• Perturbed — 2012-03-04
• Noticeably peeved — 2011-12-10
• Peeved — 2004-09-09
• Irritated — 2002-06-25
• Ticked off — 2001-05-03
• Visibly peeved — 2000-09-24