Template:Year by category/doc

此頁面是Template:Year by category的Template文档。
此頁面可能包含了模板的使用說明、分類和其他内容。

{{Year by category
| cat = 
| sortkey = (this works on the year category or the optional subcategory entered in subcat)
| in = (optional)
| parent = (for example Elections by year)
| subcat = (optional, if omitted cat will be put into the year category)
}}