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Below are pages to help you select subjects to learn about. Overviews Overview   —   main articles of various topics Outlines   —   subject summaries, as follows: Ease of discovery – outlines show which topics belong to a subject and why Access to articles – outlines serve as tables of contents of Wikipedia List of academic disciplines and sub-disciplines   —   subjects studied in college or university Lists More topic lists. Some are lists of lists. Lists   —   of related items Two of the broadest list collections are: Lists of countries and territories and many lists by country Lists of people including by nationality and by occupation Alphabetical indexes Indexes   —   subject indexes, sorted alphabetically. Complete alphabetical index   —   pages sorted by the first two letters of the title, e.g., "Aa Ab Ac Ad..." Special:Categories   —   every category listed alphabetically Timelines Timelines   —   list articles chronologically. List of centuries List of decades List of historical anniversaries   —   e.g. events on January 1 of any year 2014   —   major events this year Portal:Current events   —   featured current events and related project activities Deaths in 2014   —   lists notable people who died this year Category:Graphical timelines   —   graphical timelines in the category and subcategories, arranged alphabetically Featured content Featured content is the best Wikipedia has to offer, via vigorous peer review. Presented by type: Featured articles · Featured lists · Featured pictures · Featured portals · Featured sounds · Featured topics Disclaimers Anyone can edit Wikipedia. See our disclaimers for cautions about Wikipedia's limitations. News about Wikipedia The Signpost, a community-written and community-edited newspaper, covering stories, events and reports related to Wikipedia, its sister projects, and the Wikimedia Foundation. Spoken articles Growing collections of Wikipedia articles are available as spoken word recordings. Spoken articles · Category:Spoken articles Wikipedia books Wikipedia books are collections of Wikipedia articles that can be viewed, downloaded, or printed into a book. They provide a roadmap for a course of study in a particular subject. Category:Wikipedia books (community books)   —   alphabetical list of the books Category:Wikipedia books   —   categorized by topic Portals A portal introduces the reader to a subject by presenting images, categories and excerpts of key articles. Portals also guide editing by providing to-do lists. Portals · Category:Portals Categorical indexes Wikipedia's category system is generated from category tags at the bottom of articles and other pages. The top-level pages are: Categories   —   an index of major categories, arranged by subject (because this page is crafted by hand, it is an exception to the category autogeneration rule) Category:Articles   —   the category in which all article category systems are located Category:Wikipedia categories   —   pages and categories which themselves specifically relate to categories Category:Contents   —   the highest level or "root" category in Wikipedia   —   its subcategories contain various types of encyclopedic content, content that assists with the navigation of the encyclopedia, as well as pages related to the maintenance of the encyclopedia   —   its autogenerated entries are listed at the bottom of the page Category:Fundamental categories   —   the category containing the most fundamental ontological categories, such that every article category system can reasonably be expected to be within it Wikipedia's other broad categorical indexes are: List of Dewey Decimal classes   —   top two levels of this library classification system, linked to Wikipedia articles Library of Congress Classification   —   LCC subjects linked to Wikipedia articles Outline of Roget's Thesaurus   —   articles organised into a system based on six classes, with thousands of branches, following Roget's system Glossaries Glossaries are lists of terms with definitions. Glossaries · Category:Glossaries Most popular articles Wikipedia:Top 5000 pages (of the last week) Wikitop – Top 30 most popular articles by categories

Content listings

Lists

• Overviews
• Outlines
• Featured content
• Lists
• Glossaries
• Portals
• Indexes

• Reference
• Culture
• Geography
• Health
• History
• Mathematics
• Nature
• People
• Philosophy
• Religion
• Society
• Technology

• Academic disciplines
• Anniversaries
  • today
• Countries and territories
• Current events
• People
  • deaths this year
• Timelines
  • centuries
  • decades

Indices

• A–Z index
• Categories
• Dewey Decimal classes
• Library of Congress Classification
• Roget's Thesaurus
• Spoken articles
• Wikipedia books