Google have enhanced their Usenet archives. They now have a complete archive from May 1981 onwards.
With the aid of this amazing technology, I believe I have located my very first Usenet posting.
I actually got called in to talk to the University IT sysadmins about my posting. Undergraduates weren’t even supposed to know how to read Usenet, let alone post to it. Amusingly, it all started because I accidentally mistyped “rm” as “rn”.
I think I’m going to go back and fish out some of the more amusing stuff and build an archive on my web site…