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	<title>Help:Categories - Revision history</title>
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	<updated>2026-04-12T20:48:17Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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		<id>https://www.gc-forever.com/wiki/index.php?title=Help:Categories&amp;diff=1259&amp;oldid=prev</id>
		<title>Cybertronic: Created page with &quot;{{pp-vandalism|small=yes}} {{for|more extensive information for editors|Help:Category}} {{Reader help}} &#039;&#039;&#039;Categories&#039;&#039;&#039; are used in Wikipedia to link articles under a common top...&quot;</title>
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		<updated>2013-05-04T02:51:19Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;{{pp-vandalism|small=yes}} {{for|more extensive information for editors|Help:Category}} {{Reader help}} &amp;#039;&amp;#039;&amp;#039;Categories&amp;#039;&amp;#039;&amp;#039; are used in Wikipedia to link articles under a common top...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;{{pp-vandalism|small=yes}}&lt;br /&gt;
{{for|more extensive information for editors|Help:Category}}&lt;br /&gt;
{{Reader help}}&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;Categories&amp;#039;&amp;#039;&amp;#039; are used in Wikipedia to link articles under a common topic and are found at the bottom of the article page. Clicking the category name displays a list of articles in that category, as well as any sub-categories. Categories allow readers to navigate through Wikipedia and find related articles. &lt;br /&gt;
&lt;br /&gt;
==Category tree==&lt;br /&gt;
All of the categories form a hierarchy, although sub-categories may be a member of more than one category. An example of a small part of this hierarchical structure looks somewhat like this:&lt;br /&gt;
&lt;br /&gt;
{| align = &amp;quot;center&amp;quot;&lt;br /&gt;
| &lt;br /&gt;
     [[:Category:Main topic classifications]]&lt;br /&gt;
                       ↓&lt;br /&gt;
               [[:Category:History]]&lt;br /&gt;
                       ↓&lt;br /&gt;
        [[:Category:History by location]]&lt;br /&gt;
                       ↓&lt;br /&gt;
        [[:Category:History by country]]&lt;br /&gt;
                       ↓&lt;br /&gt;
       [[:Category:History of Australia]]&lt;br /&gt;
                       ↓&lt;br /&gt;
      [[:Category:History of Australia by location]]&lt;br /&gt;
                       ↓&lt;br /&gt;
 [[:Category:History of Australia by state or territory]]&lt;br /&gt;
                       ↓&lt;br /&gt;
       New South Wales, Queensland, etc.&lt;br /&gt;
&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
The actual relationship is more complex since a category may appear as a subcategory of several other categories. The actual relationship of part of the category structure looks like this:&lt;br /&gt;
&lt;br /&gt;
&amp;lt;br&amp;gt;&lt;br /&gt;
[[File:Category-diagram.png|border|400px|center]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
The uppermost category in the hierarchy is [[:Category:Contents]]. From here all other categories branch out, including those that are used for the maintenance of Wikipedia. &lt;br /&gt;
&lt;br /&gt;
If an entry in a category is shown in &amp;#039;&amp;#039;italics&amp;#039;&amp;#039; it is a redirect to an article of a different name or a section of an article that contains information about that particular subject.&lt;br /&gt;
&lt;br /&gt;
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[[Category:Reader help]]&lt;/div&gt;</summary>
		<author><name>Cybertronic</name></author>
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