A lightbulb joke was posted on rec.humor on September 9, 1992:

Q: How many pedants does it take to change a lightbulb?
A: Pedants don’t c-h-a-n-g-e lightbulbs, they r-e-p-l-a-c-e them.

Another version was posted on Twitter by Jessica Citizen on June 30, 2009:

Q: How many pedants does it take to change a light bulb?
A: Bayonet or screw?


Google Groups: rec.humor
Lightbulb joke (original - I hope)
Bruce Clement
Sep 9, 1992, 2:41:26 AM
Q: How many pedants does it take to change a lightbulb?
A: Pedants don’t c-h-a-n-g-e lightbulbs, they r-e-p-l-a-c-e them.

Google Groups: rec.humor
wreck.humor repeats
Chris Rolleston
Feb 9, 1993, 5:54:00 PM
(...)
Q: How many pedants does it take to change a lightbulb?
A: Pedants don’t c-h-a-n-g-e lightbulbs, they r-e-p-l-a-c-e them.

Googel Groups: rec.sport.baseball
Did Ziele Interfer with Block-EEE?
Jeff Drummond
Jul 11, 2000, 3:00:00 AM
(...)
Q: How many pedants does it take to change a lightbulb?
A: Pedants don’t _change_ lightbulbs, they _replace_ them.

Twitter
Jessica Citizen
@dotarray
Q: How many pedants does it take to change a light bulb?
A: Bayonet or screw ?
3:56 AM · Jun 30, 2009·Twitter Web Client

Twitter
✑ 🄼🄰🄲🄲🄷🄸🄰🅃🄾 🄼🄰🄽
@macchiato_man
Q: How many pedants does it take to change a lightbulb?
A: Screw or bayonet?
11:54 AM · May 27, 2010·Twitter Web Client

Twitter
Rachel Mariner
@rachelmariner
Q: How many pedants does it take to change a lightbulb?  A:  Change?!  Don’t you mean “replace”?  (I’m changing lightbulbs too)
11:13 AM · Oct 23, 2010·Twitter Web Client

Google Books
5,000 Great One Liners
Compiled by Grant Tucker
London, UK: Biteback Publishing
2012
Pg. ?:
How many pedants does it take to change a light bulb? Is it a bayonet or a screwcap?

Twitter
David Schneider
@davidschneider
How many pedants does it take to change a light bulb? - Bayonet or screw-in?
7:09 AM · Sep 17, 2012·Twitter Web Client

Twitter
Jim Al-Khalili
@jimalkhalili
How many pedants does it take to change a lightbulb?
A. None. You don’t ‘change’ a lightbulb, you ‘replace’ it.
Here all week.
10:46 AM · Oct 24, 2014·Twitter for iPhone

Twitter
Bob Kostic
@causticbob
How many pedants does it take to change a standard British 40 watt, ‘soft glow’ candle styled light bulb, with a bayonet fitting and a tungsten filament, at a height of 8 feet, with an ambient temperature of 21 degrees?
8:00 PM · Aug 30, 2020·Twitter Web App

Twitter
Bob Kostic
@causticbob
How many pedants does it take to change a lightbulb?
The correct term is ‘replace’, actually.
7:14 PM · Mar 22, 2022·Twitter Web App