Announced events which have been postponed/cancelled due to COVID-19 pandemic. See also: Wikimedia Foundation policy regarding events at this time.
Various other in-person events have been cancelled, including the 2020 editions of MediaWiki Hackathon (May 9-11th Tirana, Albania — a remote alternative is being organized) and Wikimania (August 5–9th Bangkok, Thailand — a remote Wikimania Week is being explored).
- Wikimedia Hackathon 2019, Prague, Czechia
- WikiData Days 2019, Teresa e Alexandre Soares dos Santos Library, Carcavelos, Portugal
- JCDL 2019, Urbana-Champaign, Illinois
- Wikimania 2019, Stockholm, Sweden
- WikiConference North America, Boston, Massachusetts
- WikiDataCon 2019, Berlin, Germany
- SWIB 2019, Hamburg, Germany