Historical clue formulations

• Casual greeting — 2025-01-09
• "Howdy!" — 2024-09-12
• "Howdy!" — 2023-10-14
• Casual greeting — 2023-07-26
• "Greetings!" — 2022-02-24
• "Howdy!" — 2021-09-26
• Chipper greeting — 2020-03-11
• "Hey there!" — 2019-10-31
• Informal greeting — 2018-09-19
• Slangy greeting — 2018-08-29
• "Howdy" — 2017-10-19
• "Hey there" — 2017-06-29
• "Howdy" — 2016-08-28
• "Hello there" — 2016-01-24
• Casual greeting — 2015-04-15
• Casual greeting — 2013-01-09
• "Wassup" — 2012-12-27
• Slangy greeting — 2012-08-13
• Informal greeting — 2012-05-02
• Informal greeting — 2009-09-23
• "How de do" — 2009-09-18
• Informal greeting — 2008-09-08
• Breezy greeting — 2008-03-25
• "Howdy!" — 2007-12-11
• Informal "Welcome!" — 2007-07-24
• "Hey!" — 2005-07-28
• "Hey there!" — 2004-12-22
• "Howdy!" — 2004-08-23
• "Wassup?!" — 2004-05-30
• "Howdy" — 2004-02-08
• Informal greeting — 2001-09-12
• Slangy greeting — 1996-04-21
• Slangy hello — 1994-09-09