Template:Decade by city category header

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Creates a category of the form "YYY0s by city", where YYY0s is a 4-digit decade.

e.g.

• Category:1810s by city
• Category:1990s by city

Usage

{{Decade by city category header}}

No parameters needed

Errors

If this template is used on an invalid page, then an error message is displayed, and the page is categorised in a tracking category:

• Category:Errors reported by other category header templates (population: 1 pages)
  Note that this tracking page is shared with other category header templates)

Errors include:

• The page is not in the category namespace
• The page's title does not take the form "YYY0s by city"

See also

• Template:Year by continent category
• Template:Year by city category header
• Template:Year by country category
• Template:Decade by city category header
• Template:Decade by country category header
• Template:Decade by continent category header

The above documentation is transcluded from Template:Decade by city category header/doc. (edit | history)
Editors can experiment in this template's sandbox (create | mirror) and testcases (create) pages.
Add categories to the /doc subpage. Subpages of this template.