رده:رده‌های بر پایه سده (میلادی)

I don't have sufficient context provided to write an accurate overview. You've indicated this is a "Wikimedia category" called "Category:Categories by century," but you haven't provided the actual description or documentation of what this category contains or how it's used. Without seeing the category's purpose statement or examples of what falls within it, I cannot responsibly write an overview that meets your requirement of being accurate and based only on the provided context.

AI-generated from the Wikipedia summary — may contain errors.