The Internet Archive discovers and captures web pages through many different web crawls.
At any given time several distinct crawls are running, some for months, and some every day or longer.
View the web archive through the Wayback Machine.
Crawl of outlinks from wikipedia.org started February, 2012. These files are currently not publicly accessible.
TIMESTAMPS
The Wayback Machine - https://web.archive.org/web/20120717044732/http://www.undernet.org/webchat.php
If you for some reason didn't manage to reconnect because the IRC server was full,
type /server server.undernet.org where server.undernet.org is one of the
servers listed on the Undernet irc server page