This is anon-diffusing subcategory ofCategory:Outlines.
It includes Outlines that can also be found in the parent category, or in diffusing subcategories of the parent.

Each entry below is anoutline, an introduction to a subject structured as a hierarchical list of the essential points. Each of these outlines focuses on a war. Along withWikipedia:Contents/Outlines, the outlines on Wikipedia form an all-encompassing outline of the knowledge of humankind. Pages included here should also be included inCategory:Outlines.

• Outlines of history and events
• Wars

• Wikipedia non-diffusing subcategories