What is the origin of the "once upon a time" idiom as the way to begin a fairy tale?

--------------------------------------------------
Rise to the top 3% as a developer or hire one of them at Toptal: https://topt.al/25cXVn
--------------------------------------------------

Music by Eric Matyas
https://www.soundimage.org
Track title: Magic Ocean Looping

--

Chapters
00:00 What Is The Origin Of The &Quot;Once Upon A Time&Quot; Idiom As The Way To Begin A Fairy Tale?
00:33 Accepted Answer Score 10
02:00 Answer 2 Score 2
02:17 Thank you

--

Full question
https://english.stackexchange.com/questi...

--

Content licensed under CC BY-SA
https://meta.stackexchange.com/help/lice...

--

Tags
#idioms #history #phraseorigin

#avk47