Historical clue formulations

• "News to me" — 2026-08-07
• "This is news to me!" — 2026-02-25
• "Who knew?!" — 2025-11-08
• "Really? Wow!" — 2022-05-27
• "Color me surprised!" — 2021-06-10
• "That's a shocker" — 2017-08-04
• "This is a surprise!" — 2015-02-14
• "News to me!" — 2012-02-17
• "Who knew?!" — 2002-01-18