Historical clue formulations

• Worth considering — 2025-12-26
• Worth mentioning — 2025-03-25
• Significant — 2024-06-10
• Worth remembering — 2023-06-12
• Worth mentioning — 2020-04-26
• Worth mentioning — 2019-04-18
• Significant — 2018-07-11
• Salient — 2018-05-01
• Significant — 2017-08-15
• Worth heeding — 2015-12-26
• Worth mentioning — 2014-08-20
• Worth mentioning — 2014-02-16
• Significant — 2013-04-04
• Distinguished — 2012-03-11
• Worth mentioning — 2009-12-11
• Significant — 2009-02-08
• Prominent — 2008-06-28
• Significant — 2008-01-15
• Significant — 2007-02-15
• Distinguished — 2003-12-26
• Distinguished — 2003-09-30
• Distinguished — 2002-06-30
• Eminent — 2001-11-16
• Important — 1996-10-25
• Famous — 1996-06-09