Historical clue formulations

• "That's boring!" — 2025-12-08
• Lackluster — 2023-03-09
• Just OK — 2022-11-23
• Boring — 2021-09-12
• Blah — 2020-06-14
• So dull — 2020-04-27
• "Bor-r-ring" — 2019-09-18
• Run-of-the-mill — 2017-11-30
• Blah — 2016-03-25
• Meh — 2015-12-22
• "You're boring me" — 2014-04-03
• [Zzzzz] — 2013-12-06
• Yawn-inducing — 2012-02-06
• Dull — 2011-11-07
• Yawn-inducing — 2011-01-27
• Pedestrian — 2006-08-11
• Yawn-inducing — 2004-05-24
• Bor-r-r-r-ring — 2000-03-15
• Blah — 1997-01-05
• Causing ennui — 1996-07-05
• Boring — 1995-11-28
• Bo-o-ring — 1995-05-24