Historical clue formulations

• Ambulance initials — 2026-07-19
• Museum's entrance and exit? — 2025-11-06
• Letters on a first responder vehicle — 2024-08-02
• Letters on an ambulance — 2024-04-25
• Hummer's interior? — 2023-12-06
• Ambulance letters — 2023-02-02
• What makes clay clammy? — 2022-08-23
• Myanmar has two of them — 2022-05-27
• Millennium, at the beginning and end? — 2022-01-25
• Lifesaving inits. — 2022-01-20
• Ambulance letters — 2021-12-28
• Museum wings? — 2021-10-20
• Grp. mobilized by a 911 call — 2021-05-16
• Mammal's head and heart? — 2021-01-10
• Scrabble three-pointers — 2020-06-14
• Option for a 911 dispatcher — 2020-01-17
• Letters on an ambulance — 2020-01-12
• Chummy pair? — 2019-03-03
• Leading characters in "Mad Max" — 2019-02-10
• Some dash lengths — 2018-12-16
• Trio of mummies — 2018-11-24
• Swimming center? — 2018-08-24
• Common core? — 2018-04-29
• Middle of summer? — 2018-02-17
• Four characters in "A Midsummer Night's Dream" — 2017-12-09
• Letters on an ambulance — 2017-12-04
• Ambulance letters — 2017-08-29
• CPR offerer — 2017-04-27
• What moms have that dads don't? — 2017-03-25
• Ambulance letters — 2017-02-01
• Letters on many ambulances — 2017-01-24
• Rescue squad letters — 2016-08-31
• Printing measures — 2015-12-16
• 911 responder, for short — 2015-11-26
• Ambulance letters — 2015-09-30
• Dash units — 2015-09-03
• Grp. with defibrillators — 2015-07-01
• "Mamma Mia" quartet — 2015-02-14
• Middle of summer? — 2015-01-25
• Certain dash lengths — 2015-01-20
• See 42-Across — 2014-12-13
• Museum's ends? — 2014-06-10
• What dialing 911 may bring — 2014-05-08
• Ambulance letters — 2014-03-17
• Hosp. adjunct — 2013-04-25
• Ambulance letters — 2013-04-16
• Mismatched pair? — 2013-03-23
• Letters on an ambulance — 2013-03-11
• Lead characters in "Mork & Mindy"? — 2013-03-01
• Ambulance letters — 2013-02-27