Wikimedians of Japan User Group/events/ウィキペディア25周年記念交流会/en

The Wikimedians of Japan User Group (WJUG) is hosting a meetup for the WP25, a special occasion to celebrate English Wikipedia’s 25th Birthday, that had fell on 15 January 2026.

What it is

Our host Mr. Masao Takaku, an Associate Professor specializing in the Library Science and Information Media at Tsukuba University 筑波大学図書館情報メディア系准教授 will give the keynote, presenting how Wikimedia Movement at large has evolved centered around Wikipedia, and his insight into its future. We expect to make it a friendly exchange of ideas with the audience as well.。

At this occasion, why don’t you give your thoughts as a Lignteneng Talk speaker, which we are calling for application as follows.

We will hold a tea over a WP25 birthday cake and a group photo session, before commencing.

Date, hours, and place

Date: Sunday 1st March, 2026: 13:15 - 17:30 (JST). Helping staff is cordially asked to come by 12:30 pm.
Venue: the Pleasanter Lounge
- Address: 7th floor, 2-30-5 Nakano, Nakano Aaban Bldg, Nakano Ward, Tokyo, Japan.
- take the JR Chuo line, get off at the Nakano station to the South toll gate, and walk to the south; the meetup site is on your left-hand side, two or three buildings past the Mc'Donald's, opposite Marui department store (its logo as 〇I〇I); the site is on the 7th floor of the building, with the Daiwa Security on the ground floor (大和證券). A 3-minutes' walk from the Nakano station on JR. JR中央線中野駅南口、マルイの向かい側でマクドナルドの並び、1階が大和證券のビル、7階
Fees: free of charge. Bring your won soft drink and snacks. The organizer will try and prepare some beverage, but lots limited.
Organiser: Wikimedians of Japan User Group
Sponsored by: Imprim Co., Ltd. 株式会社インプリム has generously contributed the meeting space, we appreciate their generosity.

Timetable (as to date)

13:15-14:00 - Talk with Professor Masaki Takaku
14:15-15:15 - Lightening Talks: (five minutes each)
15:30-17:00 - Coffee hours, with WP25 and group photo
17:00-17:30 - prepare to return the facility, say “till then”.

Participate

There are 50 seats available.
To participate, register at the ticketing sevice Peatix:
- https://peatix.com/event/4847333
Also, those who plan to participate is asked to log your username at the link (on the ‘’Japanese page please‘’).
- Indicate therein, if you wish to present at the Lightening Talk as "LT:_talk title_".
※ We might accept walk-in participants, limited to vacancy at door.
Contact: for details, write us at eventwikiusersjp.

Our friends at other OpenSource/Opendata communities

We welcome OSS developers as well as our friends who are active at penSource/Opendata communities: come and exchange with us your interests and subjects related to the contents you find on Wikipedia and/or Wikimedia.

participants

Those who plan to participate are kindly asked to log your username at: Japanese page. Do not forget to include there the title you plan to talk on at the Lightning Talk (add LT:talk title with your username).

#--~~~~</nowiki> LT: your talk title ← preferable format.

Notes
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No smoking or drinking alcohol beverages at the site is accepted.
Please respect and follow the  Universal Code of Conduct (UCoC) as well as the Friendly space policies. We hold our rights to keep the foundation:Policy:Wikimedia Foundation Event Ban Policy at our venues.
It is your responsibility to take photos/audio/video after asking your subject if it is OK with them. Read what you need to know and conscent when you upload those works on the web or Wikimedia Commons.
Those attendees, who are younger than 18 years’ old, or minors, need to talk to and get consent from their guardians.

Related events and infos
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Before our own meetup, there is  another one to check out:

27-28 February 2026 - On Friday to Saturday before the meetup, the User Group is planning to take part at the OSPN, at:Open Source Conference 2026 Tokyo/Spring.