Historical clue formulations

• ___ People's Campaign (1968 S.C.L.C. movement) — 2026-08-09
• Deserving a D, say — 2026-01-28
• Unimpressive rating — 2025-12-03
• Shoddy — 2025-02-23
• Needy — 2024-10-06
• Slipshod — 2024-04-13
• Below C level, say — 2024-01-12
• D, gradewise — 2023-10-02
• 1 on a scale of 1 to 5, maybe — 2023-03-10
• D-worthy — 2022-10-23
• Below par — 2022-01-23
• Deserving a D — 2021-11-23
• Not up to expectations — 2021-06-09
• Rich's opposite — 2020-10-05
• Substandard — 2020-04-28
• D-worthy — 2018-11-20
• Meriting a "D," say — 2018-10-22
• Have-nots, with "the" — 2018-04-21
• D — 2017-11-23
• "How ___ are they that have not patience!": Iago — 2017-08-19
• Lame — 2017-03-04
• D-worthy — 2016-10-05
• Like a young Jay Gatsby — 2016-08-06
• D-worthy — 2016-04-20
• Slipshod — 2015-10-04
• D-worthy — 2015-07-15
• Third-class — 2015-06-14
• D — 2015-04-29
• "You ___ thing!" — 2014-06-09
• Inadequate — 2014-05-10
• D — 2014-03-13
• Start of a word ladder whose first and last words are suggested by 36-Across — 2013-06-20
• What "D" means — 2013-05-08
• Less than fair — 2012-08-30
• Ones protected by a safety net, with "the" — 2012-04-19
• Destitute — 2012-03-19
• Like a D- — 2011-12-14
• Robin Hood's beneficiaries, with "the" — 2009-11-11
• Below C level? — 2009-10-23
• Description of 15-Down — 2008-12-19
• Mean — 2007-03-01
• Hardscrabble — 2006-11-02
• D — 2005-10-26
• Impoverished — 2005-09-12
• Like Ali Baba, at first — 2004-11-26
• "D" — 2004-06-12
• Meager — 2002-11-17
• Hood's beneficiaries, with "the" — 2001-09-19
• Needy — 2001-08-15
• Inept — 2001-02-24