Mark Friday, October 30: Wikidata Day NYC 2026 is a costume party at Pratt Institute Manhattan Campus in New York, NY, from 2 PM to 6 PM. The date lands the night before Halloween, and it is listed as free to attend. Come dressed up: costumes are encouraged. Within three days of it, 99 more Halloween events happen around New York.
Friday, October 30 · 2 PM – 6 PM
UTC-04:00Pratt Institute Manhattan Campus | New York, NY
TicketsUSD 0.00
Join the local Wikidata editing community for Wikidata Day in New York City on Friday, October 30, 2026 from 2pm to 6pm hosted by Wikimedia NYC in collaboration with Semantic Lab at Pratt Institute School of Information. This event marks the 14th Birthday of Wikidata with a celebration and mini-conference. Sign up for a lightning talk or presentation and view the most up to date schedule on the Wikipedia event registration page!
This gathering is open to all experience levels, no experience required! There will be a Wikidata 101 training session for those who are new to Wikidata and want to learn.
Food, drinks, and of course birthday cake will be provided!
Halloween costumes are highly encouraged! But please don't wear face paint or bring any costume accessories that could be deemed as a weapon or you will be turned away by security. Hint - dressing as your favorite Wikidata Q number may get you some extra bonus points :)
Note: There is a capacity limit for the space. Please register early and arrive on time to ensure your spot. Registration will be closed when we hit our capacity limit. Legal ID is required to gain access to the building, please show your identification to the security person on duty when you arrive. You must be pre-registered to attend the event. For the easiest access to the event please register here on eventbrite and also .
Accessibility Details: The building is wheelchair accessible, please let us know if you are a wheelchair user and need additional accommodations. Note that there may be higher levels of noise, please let us know if you require any specific accommodations and we'll do our best to meet those needs. This event will be live streamed and you are welcome to join the event virtually.
If you have any questions, please email [email protected].
Pratt Institute Manhattan Campus, 144 West 14th Street, New York, United States
Wikimedia NYC
It is on Friday, October 30, 2026, from 2 PM to 6 PM, the night before Halloween.
It takes place at Pratt Institute Manhattan Campus, 144 West 14th Street, New York, United States.
Yes, it is listed as free to attend. Check the event details in case registration is required.
Yes, costumes are encouraged.
It runs for about 4 hours, from 2 PM to 6 PM.
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