Memento TimeGate
From Fallen London Wiki
This Special Page takes care of performing datetime negotiation for your wiki, which is key to the Memento process.
For a specific page, it performs datetime negotiation for the given page, redirecting you to the closest page to the time requested by your browser.
To see Memento in action, either follow instructions from the MediaWiki Extension page or type in the address of the wiki page in this format:
http://yourwikisite/wiki/index.php/Special:TimeGate/YourPage
where, YourPage that follows the TimeGate URL is the title of our article.