Some things like the ASCII table have been there (or rather in the original location of /usr/pub) since near the dawn of UNIX itself: https://github.com/dspinellis/unix-history-repo/blob/8cf2a84...
(Also available as "man ascii" from almost as long ago https://github.com/dspinellis/unix-history-repo/blob/Researc... )
OpenBSD seems to like collecting extra items though