2009/5/12 Sam Korn smoddy@gmail.com:
Yes. Indeed, I believe that is the purpose of [[As of 2006|2006]] links -- so you can use WhatLinksHere to find statements that need updating.
FWIW, these have all been replaced now, it seems, in favour of this system:
http://en.wikipedia.org/wiki/Wikipedia:As_of
...which puts a template in the article text and silently creates a category.