Historical clue formulations

• "Well, lah-di-___!" — 2026-07-28
• Bit of Morse code — 2026-04-15
• "Well, lah-di-___!" — 2024-07-12
• T, in a code — 2024-04-13
• "Well, lah-di-___" — 2024-02-20
• Dit's counterpart in Morse code — 2024-01-23
• "Lah-di-___!" — 2023-02-09
• Morse code "morsel" — 2023-01-10
• Morse morsel — 2022-01-09
• "Zip-a-Dee-Doo-___" — 2021-07-19
• T as in telegraph? — 2020-10-03
• Morse code unit — 2020-04-29
• Dit's partner — 2019-08-11
• - — 2019-07-11
• The longer of the two Morse symbols — 2019-06-04
• Bit of code — 2019-03-29
• "Lah-di-___!" — 2019-02-21
• - — 2018-08-25
• Morse word — 2017-10-22
• "Well, lah-di-___!" — 2016-09-06
• Morse T — 2015-08-13
• "Zip-a-Dee-Doo- ___" — 2014-04-07
• T, by telegraph — 2013-08-04
• Code word — 2013-08-02
• Morse unit — 2013-01-02
• Morse T — 2011-07-10
• Morse T — 2009-12-22
• Dit's counterpart in Morse code — 2008-06-25
• One-third of a Morse "O" — 2007-08-30
• Code word — 2007-02-25
• Code word — 2004-09-03
• Doo-___ — 2004-08-29
• Code word — 2004-03-06
• Code word — 2003-12-26
• Morse bit — 2003-08-13
• Code word — 2003-06-29
• "Lah-di-___!" — 2002-05-14
• Morse T — 2001-04-27
• Code word — 2001-04-08
• Morse T — 2001-01-12
• Morse T — 2001-01-06
• "Well, lah-di-___" — 2001-01-03
• Morse bit — 2000-12-10
• Lah-di-___ — 2000-03-16
• Code component — 1999-02-13
• Morse syllable — 1998-10-23
• Long keystroke — 1997-12-20
• Morse bit — 1997-12-11
• Dit's partner — 1997-08-10
• Code sound — 1997-05-24