Historical clue formulations

• Humbly admit a mistake — 2024-09-09
• Lose face — 2015-08-23
• Lose face — 2013-09-19
• Be cut down to size — 2010-02-27
• Be humiliated — 2001-12-16
• Suffer embarrassment — 1999-05-23
• Admit a mistake, so to speak — 1997-10-19