Wikimedia Foundation
banner
wikimediafoundation.org
Wikimedia Foundation
@wikimediafoundation.org
We are the nonprofit organization that hosts Wikipedia and other free knowledge projects. Working to create a world where every human can freely share in the sum of all knowledge.

donate.wikimedia.org
By the end of 2001, Wikipedia already existed in 16 languages. Today, there are more than 300.

Celebrate this and other #Wikipedia25 milestones ➡️ wikipedia25.org/en/widening-...
February 9, 2026 at 12:44 PM
As Wikipedia celebrates its 25th anniversary, professor and former member of the Wikimedia Foundation Board of Trustees Dariusz Jemielniak urges academics to engage with Wikipedia for "Nature" ➡️ www.nature.com/articles/d41...
February 6, 2026 at 1:31 PM
On Wikipedia, disagreement is not a setback. It’s part of how knowledge improves.

By inviting debate in the open, Wikipedia turns conflict into collaboration. 🧵⬇️ (1/2)
February 5, 2026 at 7:49 PM
Calling photographers from all around the world: Wiki Loves Folklore 2026 is here 📸

The annual media contest aims at documenting global cultural heritage. Submissions are open until 31 March. Get inspired ➡️ w.wiki/HeAf
February 4, 2026 at 10:45 PM
Ammarpad joined the Wikimedia community in 2015, starting with English articles about Nigerian topics. He champions neutrality, openness and collaboration. His work shows how technical skills and community organizing strengthen free knowledge for millions.
February 3, 2026 at 3:52 PM
The Open the Knowledge Journalism Awards recognizes African journalists whose reporting helps close knowledge gaps about Africa on Wikipedia. Submissions are open until 1 March.

Learn more about the awards' criteria and get your application ready!
ICFJ and Wikimedia Foundation Seek Applications for Open the Knowledge Journalism Awards in Africa – Wikimedia Foundation
From February 2 to March 1, 2026 African journalists can self nominate stories that help expand knowledge about Africa on Wikipedia.
wikimediafoundation.org
February 2, 2026 at 3:14 PM
Simple and replicable, the WikiProject Brazil Schools is bridging the information gap while showcasing how local initiatives can contribute to global goals through Wikidata.

Discover how it can multiply possibilities ➡️ w.wiki/GTNu
January 30, 2026 at 3:00 PM
Bots help keep Wikipedia running. They fix broken links, revert vandalism, and tag pages so volunteers can focus on writing. Each bot is reviewed by the community and must be harmless and accountable. 

Meet the bots ➡️ w.wiki/WPH
January 29, 2026 at 10:08 PM
On Data Privacy Day, remember that Wikipedia collects minimal data, uses no ads or tracking, and publishes transparency reports.

Learn more (without being watched) ➡️ wikimediafoundation.org/who-we-are/t...
January 28, 2026 at 7:13 PM
In a world where headlines spread without sources, Wikipedia takes a different approach: radical transparency. Every edit and discussion is visible to everyone, making knowledge creation a collective, accountable process that builds trust 🧵⬇️ (1/4)
January 27, 2026 at 6:48 PM
Wikipedia is an encyclopedia written from a neutral point of view; its content is free to use, edit, and distribute; editors treat each other with respect and civility; and there are no firm rules.

Learn more about the five pillars that underpin Wikipedia’s growth ➡️ wikipedia25.org/en/the-five-...
January 26, 2026 at 3:26 PM
Wikipedia documents the world as it is, through contributions large and small. Articles range from urgent and consequential to obscure, niche, and unexpected, and the images are just as diverse.

Explore the weird and wonderful ➡️ wikipedia25.org/en/weird-and...

#Wikipedia25
January 23, 2026 at 8:09 PM
Wikipedia has always been shaped by people who imagine what it could become. Our 25th anniversary quiz explores visions of how knowledge might be created and shared tomorrow.
January 21, 2026 at 12:42 PM
Have you met the Wikipede? In another universe, maybe it has been Wikipedia's logo for over two decades. Community members submitted many designs, proposed changes, and debated them openly 🧵⬇️ (1/5)
January 19, 2026 at 6:49 PM
Reposted by Wikimedia Foundation
Meet Jimmy, who dreamed up Wikipedia and watched humanity turn it into a global public good #Wikipedia25
January 19, 2026 at 12:48 PM
Reposted by Wikimedia Foundation
Meet Yuriko, who brings knowledge from the past into the present so more people can learn from it #Wikipedia25
January 18, 2026 at 2:57 PM
Reposted by Wikimedia Foundation
Meet Mireia, who works to bring Brazil’s diverse history into Wikipedia so more stories are seen #Wikipedia25
January 17, 2026 at 11:40 AM
Reposted by Wikimedia Foundation
Meet Maxime, who is turning artifacts and architecture into shared knowledge for everyone #Wikipedia25
January 17, 2026 at 12:21 AM
Reposted by Wikimedia Foundation
Meet Goodness, who champions the nuances of the Igbo language so Nigerian traditions can live on #Wikipedia25
January 16, 2026 at 5:23 PM
Reposted by Wikimedia Foundation
Meet Gabe, who updates photos on Wikipedia with images that truly represent Black culture #Wikipedia25
January 16, 2026 at 10:48 AM
Reposted by Wikimedia Foundation
Meet Joanne, who noticed an influential historical woman was missing on Wikipedia and took action #Wikipedia25
January 16, 2026 at 1:14 AM
Reposted by Wikimedia Foundation
Today, we celebrate the 25th anniversary of @wikipedia.org, which for a quarter of a century has been collaboratively built by unpaid strangers on the internet.
Wikipedia’s 25th birthday proves the power of free speech
If the global encyclopedia is going to thrive for the next 25 years, we must maintain and expand First Amendment protections
freedom.press
January 15, 2026 at 8:13 PM
Reposted by Wikimedia Foundation
Meet Netha, the Wikipedia editor who quietly debunks medical myths for millions #Wikipedia25
January 15, 2026 at 5:31 PM
Twenty-five years ago, Wikipedia was an unlikely idea: a place where anyone could share free knowledge.

Today, it’s one of the most visited sites on Earth, not powered by corporate ads, but by people.
January 15, 2026 at 10:58 AM
Reposted by Wikimedia Foundation
Meet Andrew, the Wikipedia editor chasing hurricanes for two decades straight #Wikipedia25
January 15, 2026 at 9:05 AM