Historical clue formulations

• The treat in "trick or treat" — 2023-10-26
• Risk for people with braces — 2023-08-19
• It may go on sale on November 1 — 2022-12-30
• Word with rock or hard — 2022-03-18
• Likely contents of a 44-Down — 2017-09-28
• Checkout counter staple ... or, when read as three words, what 20-, 31-, 47- and 55-Across have in common — 2014-02-03
• Liquor alternative, in verse — 2005-03-18
• Jawbreakers, e.g. — 2000-12-25
• Brittle, say — 1999-03-21
• Kind of bar — 1998-07-19