Template:Circular
This template indicates that the article cites a source that previously got its information from Wikipedia. Wikipedia may not cite itself, and citing a source that comes from Wikipedia is a circular reference, and may not be used as a citation for the same reason.
Usage
{Circular}
{Circular|date=January 2025}
{Circular|section}
Parameters
This template has one positional parameter and three named parameters, all optional:
|1=— scope of the message; set|1=sectionto have the message say, "This section..." (default: "This article").|date=— month name and date, e.g.:|date=January 2025(default: none, but supplied by bot if omitted). Supports § Categorization.|small=— banner placement; set|small=yesto have a narrow, left-margin banner (default: wide, centered banner)|name=— for advanced usage only; see {Ambox#name}.
Categorization
The |date= parameter sorts the article into date-named subcategories such as Category:Articles lacking reliable references from January 2025 and out of the parent category (same name, without the date), allowing the oldest problems to be identified and dealt with first.
A bot will add this parameter if it is omitted. Be careful not to abbreviate the date, because then it will automatically add a redlinked category instead of the correct category. The simplest way to use this parameter manually is {Circular| but it can be done more explicitly as {subst:DATE}}{Circular|date=January 2025} (both result in the same output). Do not use {Circular|date={subst:DATE} as {DATE} includes the leading date=.