Historical clue formulations

• Snoozefest — 2022-12-08
• Total bore — 2017-08-24
• Show that's bo-o-oring — 2013-10-21
• Big bore — 2009-06-28
• Big bore — 2008-10-19
• It's a bore — 2004-04-26
• Crashing bore — 2003-11-14
• It's a bore — 2001-12-28
• Apparent sleepyhead — 2001-03-05
• Major bore — 1999-09-11
• What a bore! — 1997-03-13
• Tedious affair, slangily — 1996-02-22