Historical clue formulations

• It has its time and place: Abbr. — 2026-07-25
• Calendar notation: Abbr. — 2026-02-22
• Handwritten entry on a calendar: Abbr. — 2025-04-01
• Engagement to see a doctor, say: Abbr. — 2025-03-10
• Schedule slot filler: Abbr. — 2024-03-03
• Book it: Abbr. — 2023-10-26
• Engagement calendar info: Abbr. — 2022-01-01
• Entry in a doctor's calendar: Abbr. — 2021-02-01
• Receptionist's notation: Abbr. — 2019-05-10
• Datebook entry: Abbr. — 2018-08-21
• Datum for a secy. — 2017-08-04
• Datebook abbr. — 2016-12-08
• Calendar notation: Abbr. — 2016-07-14
• Sched. listing — 2012-12-02
• 8-Down, e.g.: Abbr. — 2012-04-14
• Datebook entry: Abbr. — 2010-03-04
• Date with an M.D. — 2010-01-12
• Date with an M.D. — 2009-04-21
• Date with a Dr. — 2007-12-30
• Datum for a secy. — 2005-06-05
• Datebook entry: Abbr. — 2004-11-02
• Date with an M.D. — 2004-09-15
• Part of an M.D.'s sched. — 2004-01-11
• Datebook abbr. — 2002-04-07
• Date with a D.D.S., e.g. — 2002-02-18
• Date with a dr. — 2002-02-06
• Session with an M.D. — 1998-12-02
• Date with an M.D. — 1993-12-22