Wikipedia 25 Virtual Celebration Watch party

Thursday 15 Jan 2026, 16:40 → 18:00 Europe/Zurich

3/1-021 (CERN)

Wikipedia turns 25 this year and celebrates this milestone with a global virtual event.

The Scientific Information Service organises a watch party where you can connect with others who value open knowledge, and join in honouring Wikipedia’s collaborative spirit. Everyone is welcome—no reservation needed.

The stream can be followed here.

16:40 → 16:45 Welcome

16:45 → 17:00 Pre-Party

15 minute warm-up with Wikipedia trivia and birthday wishes from around the globe. Come early and get warmed up!

17:00 → 18:00 Virtual Event

• A tour through 25 years of collaboration at its best: Watch how the 300+ language Wikipedias have grown since Wikipedia was born a quarter-century ago with the simple phrase "Hello, World!"
• An ode to the talk page: Honoring the debates, detours, and consensus-building that make Wikipedia... Wikipedia.
• Musical performances: Pieces created with Wikipedia and Wikimedia content, composed for the editors powering the
• Wikipedia games: A chance to test your knowledge to win freshly minted, special-edition Wikipedia 25
• Spotlights on Wikipedians everywhere: Stories from across regions and generations.
• Special guest appearances: Because every great birthday needs a few unexpected cameos. And yes, your longtime favorites will be there too.

See event page for details. Text by Wikimedia, licensed under CC-BY-SA