“I, for one, like Roman numerals”—“I’” is the Roman numeral for “one”—is a jocular one-line saying that has been printed on many images. The saying was posted on Twitter on October 30, 2014.
 
Variations of the joke had been printed earlier. “I for one… ...but that’s roman numerals for you” was posted on Twitter by Funny Humour on December 1, 2010. “Who wants to learn Roman numerals? I for one” was posted on Twitter by James Martin‏ on June 9, 2014.
         
Other Roman numerals jokes include “I failed my math exam. I couldn’t write 1, 1000, 51, 6, and 500 as Roman numerals. IM LIVID,” “I struggle with Roman numerals until I get to 159. Then it just CLIX,” “I went to a Roman bathroom on the 6th floor. Yes, it was the VI P room,” “Roman numerals to be phased out—not on my watch,” “The cost of joining the Roman Numeral Society was exactly $499. I didn’t have ID” and “The Roman numerals for forty (40) are XL” (i.e., weight gain at 40 makes one Xtra Large),
 
 
Twitter
A Skeleighton!‏
@actualleigh
@kenlowery “Roman numerals: V for five, X for 10, L for 50, C for 100.” “Um, actually, you forgot I, for one.”
5:01 PM - 20 Mar 2009
 
Twitter
Darren Wright‏
@WrathGrinder
I for one…
...but that’s roman numerals for you.
3:13 PM - 1 Dec 2010
 
Twitter
FunnyOneLiners‏
@Funnyoneliners
I for one…. but that’s Roman numerals for you.
RT @funnyhumour
9:12 AM - 2 Dec 2010
     
Twitter
NotDeakins‏
@NotDeakins
I for one think that’s exactly how Roman numerals work.
6:34 PM - 11 Oct 2011
 
Twitter
er‏
@enanram
I for one am in favour of roman numerals.
12:31 PM - 5 May 2012
 
Twitter
James Martin‏
@Pundamentalism
Who wants to learn Roman numerals? I for one.
2:21 AM - 9 Jun 2014
 
Twitter
Simon the Cannibal‏
@Cannibal_Simon
I for one like Roman numerals.
12:22 PM - 30 Oct 2014
       
Twitter 
Pete Bancks‏
@Pbancks
I for one like roman numerals.
8:08 AM - 1 Nov 2014
 
Twitter
शुऐब‏
@thatshaikh
I for one, like Roman numerals.
11:30 AM - 3 Nov 2014
 
Twitter
Chris Dunn‏
@chris__dunn33
I for one like Roman numerals
9:10 PM - 5 Nov 2014
 
Reddit—Ask Reddit
What does “I, for one, like Roman numerals.” mean?
(self.AskReddit)
submitted July 13, 2015 by Xradam
COMMENTS
DarkStar5758
I is 1 in Roman numerals
   
Google Books
Computational Linear and Commutative Algebra
By Martin Kreuzer and Lorenzo Robbiano
New York, NY: Springer
2016
Pg. 4:
I, for one, like Roman numerals.
 
15 January 2016, The Oregonian (Portland, OR), “The Edge 01/15,” pg. 4:
I, for one, like Roman numerals
 
Reddit—Dad Jokes
I, for one, like Roman numerals. (self.dadjokes)
submitted July 12, 2016 by HeyT00ts11
   
Reddit—Jokes
I, for one, like Roman numerals.
submitted July 5, 2017 by bot_10
I, for one, like Roman numerals.
 
Reddit—Oneliners
I, for one, like Roman numerals.
submitted October 27, 2017 by noahbailey9633