Historical clue formulations

• "Impossible!" — 2026-09-16
• "Your request is denied" — 2025-07-25
• "Impossible!" — 2025-06-18
• "Ain't happenin'" — 2024-07-20
• Slangy turndown of a request for help — 2020-05-18
• "Sorry, pal" — 2019-09-02
• "Impossible for me!" — 2018-12-03
• "Sorry, Charlie!" — 2018-02-06
• "Ain't gonna happen" — 2017-02-18
• "Impossible" — 2011-05-27
• "Impossible" — 2011-05-13
• "Impossible" — 2003-04-12
• "Impossible" — 2002-12-05
• Unequivocal refusal — 2000-01-01
• "Sorry, that's impossible!" — 1996-04-20