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Wikimania 2019 Group Photo

Patricia Costillo

CC BY-SA 4.0

Welcome to Diff

Welcome to Diff, a community blog by – and for – the Wikimedia movement. Join Diff today to share stories from your community and comment on articles. We want to hear your voice!

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Upcoming Events

May 15
15 May - 17 May

Wikimedia ESEAP Conference

Organizer: ESEAP Hub
Jul 21
21 July - 25 July

Wikimania 2026

Organizer: Wikimedia France, WikiFranca, and the Wikimedia Francophone community
View Calendar

Wikimedia News

Wikimedia Foundation News

  • Wikipedia celebrates 25 years of knowledge at its best
    15 January 2026 by Wikimedia Foundation

Wikimedia Technology Blog

  • Web Perf Hero: Thiemo Kreuz
    29 December 2025 by Timo Tijhof and Derick Alangi

Down the Rabbit Hole

  • Announcing Wikipedia’s top 20 most-read articles of 2025
    2 December 2025 by Wikimedia

Photo credits

Wikimania 2019 Group Photo

Patricia Costillo

CC BY-SA 4.0

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