Historical clue formulations

• Like haunted houses and lifelike dolls — 2026-06-01
• Staring a bit too long, perhaps — 2019-06-23
• Unsettling — 2015-11-13
• Goosebump-producing — 2012-12-31
• Halloween-ish — 2011-11-17
• Unsettling — 2010-03-14
• Causing goosebumps — 2004-12-27
• Unsettling — 2001-10-02