Historical clue formulations

• Consternation — 2025-02-10
• Loss of heart — 2009-03-03
• Consternation — 2009-01-06
• Consternate — 2008-05-03
• Perturbation — 2001-11-25
• "My soul is full of discord and ___": "Hamlet" — 2000-04-15
• Unnerve — 1997-08-14