Historical clue formulations

• Relatively unusual — 2026-05-14
• More bizarre — 2025-10-13
• Less expected — 2024-08-09
• More bizarre — 2022-03-29
• Farther out there — 2021-05-29
• Stranger — 2020-11-06
• More of a head-scratcher — 2019-08-29
• More curious — 2018-10-30
• Less ordinary — 2018-01-21
• Quirkier — 2015-04-29
• More outré — 2015-03-15
• More bizarre — 2014-01-21
• More anomalous — 2014-01-05
• More curious — 2013-07-28
• More peculiar — 2012-10-22
• More puzzling — 2012-08-14
• More peculiar — 2009-12-07
• Comparatively unconventional — 2007-10-04
• More curious — 2007-05-03
• More eccentric — 2007-03-12
• Weirder — 2006-07-17
• Less predictable — 2003-10-07
• More suitable for Robert Ripley — 2002-08-04
• Stranger — 1999-02-21
• Stranger — 1998-01-11
• More peculiar — 1996-07-02
• More unusual — 1995-10-31