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December 15, 2001: Wikipedia Officially Launched
The free encyclopedia that revolutionized information access
Wikipedia officially launched on January 15, 2001, becoming the world's largest free online encyclopedia. Today it contains over 60 million articles in 300 languages.
Key Facts
Actual Launch Date
January 15, 2001
Founders
Jimmy Wales and Larry Sanger
First Article
Hello World test page
Total Articles Today
Over 60 million
Languages
Over 300 languages
English Articles
Over 6.7 million
Active Editors
Hundreds of thousands
Monthly Visitors
Over 18 billion page views
Revenue Model
Donation based nonprofit
Parent Organization
Wikimedia Foundation
Website Rank
Top 10 most visited sites
License Type
Creative Commons free license
About December 15, 2001: Wikipedia Officially Launched
Wikipedia officially launched on January 15, 2001, fundamentally changing how people access and share knowledge. Founded by Jimmy Wales and Larry Sanger, Wikipedia began as a complement to Nupedia, a more formal online encyclopedia with expert written articles.
The Revolutionary Wiki Concept
Wikipedia pioneered the use of wiki technology for building a comprehensive encyclopedia. Wiki software allows any visitor to create and edit pages using a simple web browser. This radical openness initially drew skepticism from academics and traditional encyclopedia publishers who questioned whether crowdsourced content could be accurate.
Explosive Growth and Expansion
The English Wikipedia reached 100,000 articles by January 2003, just two years after launch. By 2007, it surpassed 2 million articles. The printed Encyclopedia Britannica contained only 40,000 articles when it ceased print publication in 2012.
How Wikipedia Works
Wikipedia operates as a nonprofit project of the Wikimedia Foundation established in 2003. The operating budget exceeds 150 million dollars annually, funding servers, staff, and technical development. Anyone can edit most Wikipedia articles without creating an account, though registered users gain additional privileges.
Controversy and Criticism
Wikipedia has faced ongoing criticism regarding accuracy, bias, and reliability. Early studies comparing Wikipedia to Encyclopedia Britannica found similar error rates, surprising critics who assumed crowdsourcing would produce inferior results. However, individual articles vary greatly in quality.
Cultural Impact and Legacy
Wikipedia transformed how people find information and fundamentally changed the information economy. Before Wikipedia, general encyclopedias were expensive multi volume sets or subscription based online services. The site receives over 18 billion page views monthly from people worldwide seeking quick facts, background information, and deep dives into specialized topics.
Challenges and Future
Wikipedia faces ongoing challenges including editor retention, diversity, and adapting to mobile access. Most Wikipedia editors are male, creating potential bias in coverage. Mobile devices now account for most Wikipedia traffic, requiring ongoing technical adaptation.
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Historical Analysis
⚡Historical Significance
- •
Wikipedia proved that collaborative, open source knowledge creation could produce reliable content.
- •
It challenged the traditional encyclopedia model that had dominated for centuries.
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The project demonstrated the power of the internet for democratic knowledge sharing.
📝Critical Reception
- •
Traditional encyclopedias and academics initially dismissed Wikipedia as unreliable.
- •
Studies comparing Wikipedia to Britannica found surprisingly comparable accuracy levels.
- •
Concerns about vandalism and bias remain ongoing challenges the community constantly addresses.
🌍Cultural Impact
- •
Wikipedia became one of the most visited websites in the world.
- •
It fundamentally changed how people access and verify information.
- •
The Wikipedia model inspired open source collaboration across many fields.
Before & After
📅Before
Before Wikipedia, accessing comprehensive encyclopedic knowledge required expensive sets or library visits. Information was controlled by publishers and expert gatekeepers.
🚀After
After Wikipedia's success, free knowledge became expected. The project proved that crowdsourced accuracy could rival professional editing, fundamentally changing expectations for information access.
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Did You Know?
•
Wikipedia launched on January 15, 2001 with wiki software allowing anyone to edit
•
It contains over 60 million articles in more than 300 languages today
•
The English Wikipedia alone has over 6.7 million articles
•
Wikipedia operates as a nonprofit funded entirely by donations with no ads
•
It receives over 18 billion page views monthly making it a top 10 website
•
The name Wikipedia combines wiki and encyclopedia
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Why It Still Matters Today
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Wikipedia receives over 1.5 billion unique visitors monthly across all language editions
•
Over 60 million articles exist in more than 300 languages
•
The nonprofit model proves that quality information can be free and ad free
•
Wikipedia's citation requirements have improved general information literacy
🧠
Test Your Knowledge
How much do you know? Take this quick quiz to find out!
1. When was Wikipedia officially launched?
2. What was Wikipedia's predecessor project called?
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Original Insights
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Wikipedia was created as a feeder project for the expert reviewed Nupedia but quickly surpassed it
•
Early critics predicted Wikipedia would collapse under vandalism and inaccuracy within months
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The decision to remain ad free and nonprofit was controversial but became Wikipedia's defining strength
Frequently Asked Questions
Wikipedia officially launched on January 15, 2001, not December 15. Jimmy Wales and Larry Sanger founded it as a collaborative online encyclopedia using wiki software that allowed anyone to create and edit articles without special technical knowledge or credentials.
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Sources & References
This article is reviewed by the Pagefacts team.
Editorial Approach:
This article explores how a side project created to help a failing online encyclopedia became one of humanity's greatest collaborative knowledge projects.
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