Historical clue formulations

• Fold (under) — 2025-06-13
• Conceal, with "away" — 2023-09-21
• Hide, as shirttails, with "in" — 2019-08-26
• Cosmetic procedure — 2005-01-29
• Diving position — 1998-04-22
• Legendary friar — 1995-07-03