Celebrating the people behind free knowledge.

Wikipedia started as an ambitious idea: to create a free encyclopedia, written by volunteers, for everyone in the world. It seemed impossible. Yet, over 20 years, Wikipedia has become the largest collection of open knowledge in history. 

How did it happen? Humans.

Wikipedia only exists through the power of human collaboration, creativity, and curiosity. So, on our 20th birthday, we are celebrating the humans who made Wikipedia what it is today and those who will help sustain and grow it tomorrow, including you.

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Help us unlock the world’s knowledge.

As a nonprofit, Wikipedia and our related free knowledge projects are powered primarily through donations.

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