2010/2/10 S. Nunes <snunes(a)gmail.com>om>:
Is it possible to know using the MediaWiki API when an article was
added to a given category?
More specifically, I'm looking for the dates when featured articles
where labeled as featured.
If this turns out to be impossible via the API, how can this
information be obtained otherwise?
This data isn't really stored anywhere. There's a timestamp in the
categorylinks table, but that's not totally reliable: if a vandal
blanks the page and someone restores it, the latter edit will be
considered as having added the category. I'm also not sure
cl_timestamp correctly identifies the last edit that added the
category in all cases anyway.
To obtain this timestamp (with limited usefulness as described above),
use one of:
Roan Kattouw (Catrope)