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
donate.wikimedia.org
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
Explore the weird and wonderful ➡️ wikipedia25.org/en/weird-and...
#Wikipedia25
January 23, 2026 at 8:09 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
Explore the weird and wonderful ➡️ wikipedia25.org/en/weird-and...
#Wikipedia25
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
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.
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
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)
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
Meet Jimmy, who dreamed up Wikipedia and watched humanity turn it into a global public good #Wikipedia25
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
Meet Yuriko, who brings knowledge from the past into the present so more people can learn from it #Wikipedia25
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
Meet Mireia, who works to bring Brazil’s diverse history into Wikipedia so more stories are seen #Wikipedia25
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
Meet Maxime, who is turning artifacts and architecture into shared knowledge for everyone #Wikipedia25
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
Meet Goodness, who champions the nuances of the Igbo language so Nigerian traditions can live on #Wikipedia25
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
Meet Gabe, who updates photos on Wikipedia with images that truly represent Black culture #Wikipedia25
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
Meet Joanne, who noticed an influential historical woman was missing on Wikipedia and took action #Wikipedia25
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
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.
Reposted by Wikimedia Foundation
Meet Netha, the Wikipedia editor who quietly debunks medical myths for millions #Wikipedia25
January 15, 2026 at 5:31 PM
Meet Netha, the Wikipedia editor who quietly debunks medical myths for millions #Wikipedia25
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.
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
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.
Today, it’s one of the most visited sites on Earth, not powered by corporate ads, but by people.
Reposted by Wikimedia Foundation
Meet Andrew, the Wikipedia editor chasing hurricanes for two decades straight #Wikipedia25
January 15, 2026 at 9:05 AM
Meet Andrew, the Wikipedia editor chasing hurricanes for two decades straight #Wikipedia25
Under the project Wiki Documents Bengal Terracotta, the West Bengal Wikimedians User Group has been documenting the intricate terracotta panels of temples in South Asia.
They are combining the efforts of photographers and researchers. Get inspired by their clever solutions ➡️ w.wiki/FnNW
They are combining the efforts of photographers and researchers. Get inspired by their clever solutions ➡️ w.wiki/FnNW
January 12, 2026 at 2:00 PM
Under the project Wiki Documents Bengal Terracotta, the West Bengal Wikimedians User Group has been documenting the intricate terracotta panels of temples in South Asia.
They are combining the efforts of photographers and researchers. Get inspired by their clever solutions ➡️ w.wiki/FnNW
They are combining the efforts of photographers and researchers. Get inspired by their clever solutions ➡️ w.wiki/FnNW
Everyone knows Wikipedia, but not everyone knows the nonprofit that keeps it running. The Wikimedia Foundation hosts Wikipedia and other free-knowledge projects. It maintains servers and builds open‑source tools, keeping knowledge accessible 🧵⬇️ (1/5)
January 9, 2026 at 4:11 PM
Everyone knows Wikipedia, but not everyone knows the nonprofit that keeps it running. The Wikimedia Foundation hosts Wikipedia and other free-knowledge projects. It maintains servers and builds open‑source tools, keeping knowledge accessible 🧵⬇️ (1/5)
Risker corrected a typo in singer James Blunt's article nearly two decades ago. This inspired her to become one of English Wikipedia’s most trusted leaders: administrator, arbitrator, and checkuser. Her journey from fixing a typo to guiding global policy shows small actions can lead to big impact.
January 8, 2026 at 3:49 PM
Risker corrected a typo in singer James Blunt's article nearly two decades ago. This inspired her to become one of English Wikipedia’s most trusted leaders: administrator, arbitrator, and checkuser. Her journey from fixing a typo to guiding global policy shows small actions can lead to big impact.
What makes a good Wikipedia article? When you land on a page, you’re seeing the result of ongoing evaluation. Volunteer editors rate articles from Stub to Featured Article based on accuracy, sourcing, structure, and clarity. 🧵⬇️ (1/5)
January 7, 2026 at 5:44 PM
What makes a good Wikipedia article? When you land on a page, you’re seeing the result of ongoing evaluation. Volunteer editors rate articles from Stub to Featured Article based on accuracy, sourcing, structure, and clarity. 🧵⬇️ (1/5)
The Wikimedia community doesn't waver on three standards.
Volunteers rely on three core policies to keep Wikipedia articles balanced, sourced, and fact‑based: neutral point of view, verifiability, and no original research. 🧵⬇️ (1/5)
Volunteers rely on three core policies to keep Wikipedia articles balanced, sourced, and fact‑based: neutral point of view, verifiability, and no original research. 🧵⬇️ (1/5)
January 6, 2026 at 9:46 PM
The Wikimedia community doesn't waver on three standards.
Volunteers rely on three core policies to keep Wikipedia articles balanced, sourced, and fact‑based: neutral point of view, verifiability, and no original research. 🧵⬇️ (1/5)
Volunteers rely on three core policies to keep Wikipedia articles balanced, sourced, and fact‑based: neutral point of view, verifiability, and no original research. 🧵⬇️ (1/5)
The landscape winners of Wiki Loves Earth 2025 will help you get a new perspective of our world 🧵⬇️ (1/4)
January 5, 2026 at 2:20 PM
The landscape winners of Wiki Loves Earth 2025 will help you get a new perspective of our world 🧵⬇️ (1/4)
One of the best things about being part of the Wikimedia community? You never know where your next casual conversation will lead you.
Get to know how a chat in Poland sparked successful developments for Wikimedia India ➡️ w.wiki/GZSj
Get to know how a chat in Poland sparked successful developments for Wikimedia India ➡️ w.wiki/GZSj
December 30, 2025 at 5:04 PM
One of the best things about being part of the Wikimedia community? You never know where your next casual conversation will lead you.
Get to know how a chat in Poland sparked successful developments for Wikimedia India ➡️ w.wiki/GZSj
Get to know how a chat in Poland sparked successful developments for Wikimedia India ➡️ w.wiki/GZSj
Wikipedia was once an impossible dream. Today, it is 25 years of humanity at its best. Join us in celebrating what has become the backbone of knowledge on the internet.
Donate now ➡️ donate.wikimedia.org
#Wikipedia25
Donate now ➡️ donate.wikimedia.org
#Wikipedia25
December 29, 2025 at 4:10 PM
Wikipedia was once an impossible dream. Today, it is 25 years of humanity at its best. Join us in celebrating what has become the backbone of knowledge on the internet.
Donate now ➡️ donate.wikimedia.org
#Wikipedia25
Donate now ➡️ donate.wikimedia.org
#Wikipedia25
After years in the making, Wikimedia France is celebrating the official launch of what promises to be a turning point for digital commons in Europe.
Get to know Wikimedia France's role in shaping the project ➡️ w.wiki/GTQC
Get to know Wikimedia France's role in shaping the project ➡️ w.wiki/GTQC
December 28, 2025 at 1:58 PM
After years in the making, Wikimedia France is celebrating the official launch of what promises to be a turning point for digital commons in Europe.
Get to know Wikimedia France's role in shaping the project ➡️ w.wiki/GTQC
Get to know Wikimedia France's role in shaping the project ➡️ w.wiki/GTQC
Wikipedia has no ads and no subscriptions. Your support is essential for making it as accessible as humanly possible.
Hear from Zack McCune, Director of Brand at the Wikimedia Foundation, and help keep the free encyclopedia going. If you can, donate today ➡️ donate.wikimedia.org
#Wikipedia25
Hear from Zack McCune, Director of Brand at the Wikimedia Foundation, and help keep the free encyclopedia going. If you can, donate today ➡️ donate.wikimedia.org
#Wikipedia25
December 26, 2025 at 3:15 PM
Wikipedia has no ads and no subscriptions. Your support is essential for making it as accessible as humanly possible.
Hear from Zack McCune, Director of Brand at the Wikimedia Foundation, and help keep the free encyclopedia going. If you can, donate today ➡️ donate.wikimedia.org
#Wikipedia25
Hear from Zack McCune, Director of Brand at the Wikimedia Foundation, and help keep the free encyclopedia going. If you can, donate today ➡️ donate.wikimedia.org
#Wikipedia25
Rumors, conspiracy theories, and doctored images travel online faster than you can fact-check them. Media literacy is the skill set that helps you slow down and scrutinize what you see. 🧵⬇️ (1/3)
December 24, 2025 at 2:38 PM
Rumors, conspiracy theories, and doctored images travel online faster than you can fact-check them. Media literacy is the skill set that helps you slow down and scrutinize what you see. 🧵⬇️ (1/3)