Historical clue formulations

• "Really?" — 2026-07-21
• Sarcastic "Is that so?" — 2021-12-30
• "That so?" — 2017-01-15
• "Definitely!" — 2014-11-03
• "Really?" — 2014-10-04
• "You betcha!" — 2013-10-27
• "You bet!" — 2010-08-29
• Disbelieving cry — 2002-04-21
• "You said it, baby!" — 2000-06-08