Re:‘OK Boomer’ Marks the End of Friendly Generational Relations
by Twirrim on Monday November 04, 2019 @01:02PM
(#21444378)
https://quoteinvestigator.com/2010/05/01/misbehave/
There's some doubts to the veracity of that quote, which is why I opted for anecdotal when it came to older evidence :)
The above quote comes from ancient Greece.