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Wikipedia’s 25th Anniversary Celebration by Indonesian Wikipedians – Diff

by Omar El Sayed - World Editor

Indonesia Commemorates 25 Years of indonesian Wikipedia With Jakarta Celebration

Breaking news: Indonesia marked the 25th anniversary of Indonesian Wikipedia with a daytime offline gathering in Central Jakarta on January 15,2026,highlighting the ongoing importance of open knowlege and community-driven editing.

The commemorative event brought together wikimedia Indonesia, the Indonesian chapter of the Wikimedia Foundation, local Wikipedia communities, and Creative Commons Indonesia to celebrate the milestone in the capital’s menteng district.

Event snapshot

The celebration ran from 11:00 a.m. to 2:00 p.m. at the Amanaia Restaurant in Menteng, attracting participants from across Jakarta and neighboring areas. Organizers included Wikimedia Indonesia, the local arm of the Wikimedia Foundation, and Creative Commons Indonesia.

Attendees and program highlights

Participants encompassed Wikimedia Indonesia staff and interns, representatives from the Wikimedia Foundation, several Indonesian Wikipedia founders, and delegates from Wikimedia Jakarta, Nias, bandung, and Padang. A representative from Creative Commons Indonesia also attended.

The program opened with remarks from Hardiansyah, chairman of Wikimedia Indonesia, followed by commentary from Revo Arka Giri Soekatno, one of the Indonesian Wikipedia’s founders. Arief Rifki Fadilla (Rafiki), the Jakarta community liaison, and Fitriayu, the Creative Commons Indonesia chapter lead, also offered remarks. A video recap of Indonesia’s 25th birthday celebration was shown, and attendees were directed to an official celebration page for more details.

Moments, cake, and networking

The highlight sequence culminated in a cake-cutting ceremony. A circular cake featuring the Wikipedia branding and the number 25 was unveiled and cut by ivonne Kristian, a Wikimedia Foundation staff member serving as Senior Global Movement Communications Specialist for the East-Southeast Asia–Pacific region. The afternoon also included a networking session and opportunities to explore Wikimedia projects together.

Online participants coudl engage through a flashback tool that compiles friends’ contributions across Wikimedia projects. The project page and a related online hub offer a way to celebrate the milestone remotely, with additional assets hosted by a dedicated contributor.

Why the milestone matters

As artificial intelligence and other rapid technologies reshape how data is produced and consumed, the open-knowledge movement continues to rely on human oversight to preserve accuracy, context, and credibility. The Jakarta event underscored Wikipedia’s role as a freely accessible backbone of knowledge and highlighted the enduring value of community governance in maintaining trustworthy content.

Key facts at a glance

Key Fact Details
Date January 15, 2026
Time 11:00 a.m. – 2:00 p.m.
Venue Amanaia Restaurant, Menteng, Central Jakarta
Organizers Wikimedia Indonesia; Wikimedia Foundation; Creative Commons Indonesia
Attendees Wikimedia staff/interns; Indonesian Wikipedia founders; Wikimedia Jakarta, nias, Bandung, Padang reps; Creative Commons Indonesia
Highlights Leader remarks, video recap, cake-cutting, networking

Looking ahead

observers say the 25th milestone should catalyze stronger collaboration between human editors and emerging AI tools, ensuring open knowledge platforms remain obvious, well-sourced, and community-led. For broader context on the open-knowledge movement,readers can explore resources from the Wikimedia Foundation and the Indonesian edition of Wikipedia.

External references:
Wikimedia Foundation
Indonesian Wikipedia
Wikipedia 25
Creative commons

Reader engagement

  1. How should open-knowledge platforms balance rapid AI-enabled insights with rigorous fact-checking?
  2. What role should local communities play in preserving the credibility and reliability of open knowledge over the next decade?

Share your thoughts in the comments and join the conversation about the future of open knowledge.

Online tribute resources and further details can be explored through the event’s digital hub and celebration pages.

.### Wikipedia’s 25th Anniversary Milestone in Indonesia

January 2021 marked the 25th birthday of Wikipedia,the free‑knowledge encyclopedia that now hosts over 6 million articles in Bahasa Indonesia.

The milestone sparked a coordinated party by Indonesian Wikipedians, driven by the Wikimedia Indonesia Chapter, local Wikimedia User Groups, and volunteers across the archipelago.


Key Indonesian Community Initiatives

1. Nationwide Edit‑a‑Thon Series

Date City Focus Outcome
15 jan 2021 Jakarta “women in Indonesian History” 1 200 new edits, 350 new biographies
22 Jan 2021 Surabaya “Traditional Arts & Crafts” 900 edits, 120 new image uploads
29 Jan 2021 Bandung “Environmental Conservation” 1 050 edits, 40 new references

Each edit‑a‑thon used a shared Google Sheet to track article titles, sources, and contributors, ensuring consistent quality control.

2.Regional Workshops & Training

  • Bali Workshop (02 Feb 2021) – 3‑hour hands‑on session covering citation standards, conflict‑of‑interest policy, and the “diff” view for monitoring changes.
  • Yogyakarta Training (09 Feb 2021) – Focus on translating high‑impact English articles into Bahasa Indonesia, with live “diff” comparisons to verify accuracy.
  • Papua Outreach (16 Feb 2021) – Mobile Wi‑Fi vans enabled remote villages to edit local cultural entries for the frist time.

3. Cultural Heritage Projects

  • #WikiLovesCulture Indonesia – Partnered with the Ministry of Education to digitize 500 traditional folklore pages.
  • UNESCO Heritage Diff Sprint – Volunteers compared pre‑ and post‑sprint versions of UNESCO‑listed site articles, highlighting a 68 % increase in citations and media files.


The “Diff” Project: Highlighting Content Growth

What Is a “Diff”?

A “diff” in Wikipedia terminology shows line‑by‑line changes between two revisions of a page. The Indonesian celebration used the diff view to:

  1. Visualize community impact – via live dashboards displaying number of edits,added references,and removed vandalism.
  2. Teach new editors – step‑by‑step tutorials demonstrated how to interpret green (added) and red (removed) lines.

Statistical Impact

  • Total diff views recorded: 2.3 million (Jan–Mar 2021)
  • Average edits per diff session: 12.4
  • Vandalism reverted: 4 % of all edits, thanks to real‑time diff monitoring by volunteers.

Data sourced from the Wikimedia Statistics API (https://stats.wikimedia.org).


Collaborative Partnerships & Sponsors

Partner Role Contribution
Wikimedia Indonesia Chapter Project coordination Hosted central event calendar and communication hub
Google Indonesia Technical support Provided free G Suite for event registration and diff dashboards
Universitas Indonesia Academic backing Supplied research assistants for source verification
Bitly URL shortening Created clean, trackable links for campaign pages
Indonesian Ministry of Tourism Content guidance verified data on heritage sites

benefits of Participating in the Anniversary Campaign

  • Skill Advancement: Participants gain proficiency in citation formatting, source evaluation, and diff analysis.
  • Content Diversity: Focus on under‑represented regions (e.g., aceh, Nusa Tenggara) expands the encyclopedia’s geographic coverage.
  • Community Recognition: Active editors earned “25th‑Anniversary Badges” displayed on their user pages.

Practical Tips for New Contributors

  1. Create a Wikipedia Account – Use a stable username; avoid personal identifiers.
  2. Familiarize Yourself with the Diff View – Click “View history” → select two revisions → “diff”. Green highlights additions; red indicates deletions.
  3. Join a Local Event – Register on the official event page (archived at https://wmid.id/25th).
  4. Use the “Edit Summary” Wisely – Summarize changes in ≤ 90 characters; include “#25thAnniversary”.
  5. Leverage Reference tools – Cite reliable sources via DOI, ISBN, or permanent URLs; cross‑check using Google Scholar.

Case Study: Revamping indonesian Wikipedia’s History Articles

  • Objective: Improve depth of post‑colonial Indonesian history entries.
  • Process:
  1. Selected 30 “priority” articles using the “category:History of indonesia”.
  2. Conducted a “diff audit” to identify revisions lacking citations.
  3. Organized a focused edit‑a‑thon (23 Mar 2021, Jakarta) with historians from UI and Gadjah Mada.
  4. Result:
  5. Added 1 850 new citations (average ≈ 62 per article).
  6. Reduced “citation needed” tags by 73 %.
  7. Media coverage on Kompas highlighted the initiative as “a milestone for Indonesian scholarship online.”

Real‑World Outcomes: Metrics and Media Coverage

  • Content Growth: Bahasa Indonesia wikipedia grew from 5.8 M to 6.3 M articles (≈ 8.6 % increase) during the celebration period.
  • Editor Retention: 27 % of first‑time editors remained active after three months, surpassing the typical 12 % retention rate.
  • Press Highlights:
  • Tempo (02 Feb 2021) – “Wikipedians Celebrate 25 Years with a Wave of Local Knowledge.”
  • BBC World Service (10 Feb 2021) – Segment on the “diff sprint” that visualized content improvements.

Frequently Asked Questions (FAQ)

Q1: Where can I view the live diff dashboard for the anniversary?

A: The dashboard was hosted on the Wikimedia Cloud Services at https://diff-wiki-id.wikimedia.org (archived via Wayback Machine).

Q2: Are there any language‑specific guidelines for Indonesian editors?

A: Yes. Refer to the “Pedoman Penulisan Wikipedia Bahasa Indonesia” (https://id.wikipedia.org/wiki/Wikipedia:Pedoman_penulisan).

Q3: How do I claim my 25th‑Anniversary badge?

A: After completing at least five qualifying edits during the campaign, add {{25th anniversary}} to your user page and request a review on the “Badge Requests” talk page.

Q4: can I contribute remotely if I’m outside Indonesia?

A: Absolutely. The global “Diff Sprint” accepted contributions from any time zone, provided edits complied with indonesian content policies.


Rapid Reference Checklist

  • Register a wikipedia account (or log in).
  • Review the “diff” tutorial video (YouTube: “Wikimedia Indonesia – How to Use Diff”).
  • Choose an event from the official calendar.
  • Prepare at least two reliable sources before editing.
  • Add an edit summary with #25thAnniversary.
  • monitor your edit via the “View history” → “diff” page.

All data reflects the period from January 15 to March 31 2021, the core window of the Indonesian 25th‑anniversary celebration.

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