Oldest AH story on the Internet

I recall in 1997 when the internet was still young, there were several online fan pages for he pen& paper RPG Castle Falkenstein, which was basically a steampunk setting with elves and dwarfs. I guess this counts as Alternate History and world-building as most of the pages were about reimagining the author's home country in an alternate 1850's. But as popular as Castle Falkenstein was from it's release in 1994 on, there are probably Usenet discussion groups on world-building in the CF universe that go back even further.
 
USENET group "alt.history.what-if" was already active in 1993; when the Internet became open to the public. Alas, none of it's archived, but I found a cite for a thread title "WWI: Lusitania not sunk".
 
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