I did not know that Tim Berners-Lee has maintained a one-copy-removed mirror of the first html page that ever was published on the web.

It is here.

It presumably was edited after first being posted, but in its current and final state it references the content of the world wide web. All of it.

I found it referenced here.

Note: This post is the third part in a two-part “comprehensive history of computing” series, begun here and then here.