Historical clue formulations

• "In-tents" getaways — 2024-02-02
• Sleeps out under the stars — 2023-05-29
• Stays out all night? — 2022-01-23
• Sleeps in a tent, say — 2019-02-20
• Stays out all night? — 2017-02-25
• Has a rough time? — 2016-12-30
• Roughs it, say — 2013-11-14
• Taps may be heard in them — 2009-07-09
• Roughs it — 2007-11-21
• Roughs it — 2004-06-08
• Barracks sites — 2004-03-05
• Places for tents — 2002-10-22
• Pitches a tent — 2000-06-13
• Bivouacs — 1999-09-28
• Places to pitch tents — 1999-03-01
• They must be pitched — 1995-12-21
• Summer getaways — 1994-11-21