This is the contents of the old wiki.blender.org site as of June 15, 2018.

oldwiki.current.dump.xml.bz2 - dumpBackup.php --current (only the latest revision of every page)
oldwiki.full.dump.xml.bz2 - dumpBackup.php --full (all revisions of every page)
oldwiki.links.dump.txt.bz2 - dumpLinks.php (plaintext link dump of every page)
oldwiki.logs.dump.xml.bz2 - dumpBackup.php --logs (all log events)
oldwiki.uploads.tar.bz2 - dumpUploads.php (uploaded files)