Historical clue formulations

• – — 2022-08-31
• Grade downgrade — 2021-02-02
• Grade downgrade — 2020-10-27
• Demerit — 2020-01-29
• Start of a very cold temperature — 2015-06-23
• - — 2014-05-06
• Opposite of 28-Down — 2014-03-22
• Drawback — 2013-12-04
• Less — 1999-09-28
• Without — 1998-08-16
• Part of a school grade, maybe — 1998-05-05
• Drawback — 1997-10-22
• Without — 1997-06-24
• Deficiency — 1997-05-11
• Diminished by — 1997-03-18