Historical clue formulations

• Cause to jump, say — 2025-05-21
• Surprise — 2025-04-21
• Catch off-guard — 2024-12-02
• Cause to jump — 2024-05-05
• What a ghost might do to you — 2023-11-19
• Give a fright — 2023-06-13
• Shock — 2019-10-22
• Alarm — 2018-07-10
• Catch unaware — 2017-10-28
• Shock — 2012-02-05
• Make the hair stand on end — 2006-05-17
• Catch off-guard — 2006-03-05
• Shake up — 2002-10-20
• Shake up — 2002-10-06
• Scare suddenly — 2002-06-10
• Shake up — 2000-06-01
• Shake up — 2000-02-06
• Shock — 1997-08-14
• Surprise — 1995-09-12
• Cause to jump — 1995-02-15