Historical clue formulations

• [aria-label] Circled letter + cafeteria item — 2025-01-26
• Reveal unintentionally — 2024-11-22
• Stab in the back — 2020-09-09
• Sell out — 2020-05-21
• Unknowingly reveal — 2017-05-26
• Accidentally reveal — 2013-04-21
• Act traitorous to — 1996-08-12
• Sell out — 1995-10-04