Historical clue formulations

• "Huh!?" — 2025-06-13
• Question that suggests "That's crazy!" — 2023-07-15
• "Hunh?" — 2022-05-01
• Question of perplexion — 2021-08-15
• "Huh?" — 2019-08-25
• "Huh?" — 2018-05-27
• Question asked with an open mouth — 2016-12-07
• Inquiry made while half awake, maybe — 2013-12-13
• "Huh?" — 2012-02-17
• "Huh ...?!" — 2011-02-17
• "Huh?" — 2011-01-08
• "Huh?" — 2009-10-28
• "Huh?" — 2009-10-18
• "___ hoppen?" — 2009-10-11
• "Huh?" — 2007-06-12
• "___ hoppen?!" — 2006-10-21
• Houston Aeros' org. — 2002-11-16