Historical clue formulations

• Letters on an invitation — 2026-08-24
• "Let me know if you're coming" — 2026-04-22
• Invitation letters — 2026-02-01
• Letters in an envelope? — 2026-01-28
• Say if you're attending, in brief — 2025-10-14
• Invitation initialism — 2025-06-03
• Initials on an invitation — 2025-03-25
• Say yes, say — 2025-02-20
• Invite initials — 2024-12-04
• Invite letters — 2024-11-24
• Invitation request — 2024-05-29
• One may ask for a dinner preference — 2023-12-27
• Reply "yes," "no" or "maybe," maybe — 2023-08-15
• Host's request — 2023-05-17
• Click "Will attend," say — 2023-03-13
• "Regrets," perhaps — 2022-03-11
• Request from a host — 2021-10-23
• Say that you're going, say — 2021-10-19
• Indicate availability, in a way — 2021-08-01
• ___ card, part of a wedding invitation — 2021-03-24
• Get back (to) — 2020-05-28
• "Let me know if you're coming" — 2020-02-21
• Say maybe, maybe — 2020-02-20
• Send one's regrets, say — 2019-11-10
• Let the host know — 2019-09-24
• Invitation request, in brief — 2018-12-03
• Say whether or not you'll attend — 2018-10-28
• Say "Yeah, I can make it," say — 2017-07-06
• Click "Going" on a Facebook event, e.g. — 2017-02-05
• Say yes or no, say — 2016-12-24
• Request in an invitation — 2016-09-19
• Click yes or no on an e-vite, say — 2015-11-24
• Be a polite invitee — 2015-04-26
• Get back (to) — 2014-12-28
• Do something polite — 2014-10-25
• Answer, quickly — 2014-08-29
• Party request — 2014-08-28
• Say you'll make it, say — 2014-08-02
• Letters of invitation? — 2013-08-26
• Abbr. often following 23-Down — 2012-10-26
• Initial request? — 2012-06-10
• Get back to — 2011-11-13
• Invitation letters — 2011-11-08
• Decision-prompting request — 2011-05-27
• Answer — 2010-03-25
• Accept or decline — 2009-09-18
• Invitation request, for short — 2009-08-04
• Call letters? — 2009-03-01
• Answer, shortly — 2008-12-07
• Answer — 2008-03-23