Historical clue formulations

• Scuba gear — 2025-12-08
• Vehicle with a gun turret — 2025-04-07
• Fail ignominiously, as at the box office — 2025-02-23
• Hot weather wear — 2024-12-27
• Drop precipitously, as a stock price — 2024-11-14
• Deliberately try to fail, informally — 2024-08-25
• Fail precipitately, in slang — 2023-11-17
• Scuba need — 2023-09-13
• Go down in flames — 2023-07-02
• Word with gas or think — 2023-06-04
• Bit of summer wear, informally — 2022-07-09
• Fail badly — 2021-10-23
• Lose value quickly — 2021-10-07
• Sleeveless top, informally — 2021-02-19
• Fail miserably — 2021-02-12
• Nose-dive — 2020-07-25
• Lose suddenly — 2019-03-23
• Fall apart in competition — 2017-12-14
• Fail miserably — 2015-10-14
• Vehicle with a hatch on top — 2014-08-04
• Lose a lot? — 2014-01-24
• Vehicle with a gun mount — 2013-07-01
• Go south — 2010-09-29
• Fail miserably, in slang — 2008-04-30
• Fail miserably — 2007-05-29
• Vehicle with a gun turret — 2006-04-18
• Place for a turret — 2004-05-30
• Aquarium — 2003-10-27
• Do horribly, slangily — 2003-04-09
• Aquarium — 2003-03-24
• Turret site — 2002-09-28
• Bazooka target — 2002-01-22
• Fall precipitately, in slang — 2001-12-07
• Vehicle with a rotating top — 2001-10-17
• Aquarium — 1999-10-05
• Propane holder — 1999-09-09
• Fish locale — 1999-04-01
• Desert Storm vehicle — 1998-07-20
• Aquarium — 1997-12-10
• Aquarium — 1997-12-03
• Kind of top — 1997-09-04
• Panzer — 1997-08-10
• Part of L.S.T. — 1996-12-17
• Army vehicle — 1996-08-05
• Fill (up) — 1996-07-28
• Holding pen — 1995-07-29
• Word with gas or Sherman — 1995-05-29