December 2021

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  Before adding a category to an article, as you did to Dark Skies, please make sure that the subject of the article really belongs in the category that you specified according to Wikipedia's categorization guidelines. The category being added must already exist, and must be supported by the article's verifiable content. Categories may be removed if they are deemed incorrect for the subject matter. Thank you. --IJBall (contribstalk) 05:24, 10 December 2021 (UTC)Reply

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See WP:SUBCAT and don't add redundant categories to articles. Geraldo Perez (talk) 06:00, 10 December 2021 (UTC)Reply