Historical clue formulations

• One arriving tomorrow, supposedly — 2024-01-05
• Never-seen title character — 2023-11-04
• Title play character who never shows up — 2022-09-25
• "Waiting for ___" — 2021-11-17
• Beckett title character — 2020-10-09
• Unseen title character in a classic play — 2019-09-11
• Title character not requiring an actor — 2019-04-12
• Title character who never arrives in a Beckett play — 2019-02-04
• What some waiters never see? — 2014-01-16
• No-show in a Beckett play — 2013-10-01
• "Waiting for ___" — 2013-05-27
• Whom Vladimir and Estragon were waiting for, in a Beckett play — 2010-11-01
• Beckett's "Waiting for ___" — 2009-08-03
• Object of a vain wait — 2008-01-06
• One who's waited upon — 2007-10-27
• Beckett's no-show — 2007-07-08
• Classic Becket play, informally — 2005-06-28
• Beckett's no-show — 2005-02-02
• Unseen character in a Beckett play — 2004-10-24
• One with two men waiting for him — 2003-07-05
• Unseen title character in a Beckett play — 2003-05-20
• Estragon expected him — 1999-09-03
• Theatrical title character who's never seen — 1996-10-04