Template:Milhistdecadecat/doc

To create a category of the form "YYY0s in military history"

e.g. Category:1690s in military history or Category:980s in military history

Usage
No parameters needed

Error tracking
If used on an invalid page, an error message is displayed and the page is categorised in a tracking category:
 * Category:Milhistdecadecat on invalid page (population: )