Forum:Category in same categories as its main article or in more or fewer?

It has been proposed that county categories should not be in categories for year of establishment but that their main ("topic") articles should. I disagree. I think the category should be, and the article may be. More generally, I feel sure that a category should be in every other category that its topic article is in.

See detailed commentary with much reference to Wikipedia at http://genealogy.wikia.com/wiki/Genealogy_talk:Categories#Topic_articles.

Robin Patterson 03:18, 9 October 2008 (UTC)