Articles containing potentially dated statements from before 1990

This is a maintenance category. It is used for maintenance of this project and is not part of the encyclopedia. It contains pages that are not articles, or it groups articles by status rather than subject. Do not include this category in content categories.This is a hidden category. It is not shown on its member pages, unless the corresponding user preference 'Show hidden categories' is set.

Articles in category contain statements that may become dated originating from before 1990. The statements may need to be updated, removed or edited for perspective. Articles containing older statements are more likely to be dated. Not all articles included in this category will need updating at this point in time.

Use {{As of}} to mark all individual statements that may become dated, this will automatically add them to the appropriate categories. Wherever possible, use {{Update after}} to mark exactly when statements will need updating in addition to using {{As of}}.

See also[]

• Category:Articles in need of updating and the accompanying {{Update after}} template.
• Category:1911 Britannica articles needing updates