Historical clue formulations

• Hatches, e.g. — 2024-05-19
• Subject of a subway announcement — 2024-01-07
• Options, metaphorically — 2023-08-06
• Things you can crack without damaging them — 2021-10-24
• Rock band that you might think would always be an opening act, with "the"? — 2021-02-07
• Numbered things in a hotel hallway — 2016-10-10
• They're big in barns — 2014-05-25
• Opportunities, metaphorically — 2013-11-10
• Coupe's couple — 2013-04-07
• Opportunities to speak so — 2010-04-01
• Opportunities, metaphorically — 2009-07-21
• Jim Morrison's group, with "the" — 2007-01-01
• Some are sliding — 2005-09-28
• Opportunities, so to speak — 2004-09-29
• Peddlers' stopping points — 2004-02-07
• Some swingers — 2003-03-13
• Places for hinges — 2000-02-28
• Opportunities, so to speak — 1997-08-24
• Jim Morrison's group, with "the" — 1994-10-03
• 1991 Val Kilmer film, with "The" — 1994-06-12