- Wikipedia’s virtual birthday celebration, a global virtual party featuring remarks from community members about how they have seen the movement grow over the 20 years and their wishes for the future, as well as from Jimmy Wales and Katherine Maher.
- Wiki 20 Countdown, livestream series leading up to 20th anniversary weeklong celebration.
- English Wiktionary will feature a special Word of the Day on its Main Page on 15 January 2021.
- WP20-Geburtstagswichteln, Wikipedia version of Wichteln, Engerl Bengerl, Secret Santa, Kris Kringel, Manita-Manito, Amigo Secreto or however you call it your part of the world and language; organized on de.wikipedia
- One World Birthday, a celebration with speakers and a Wikidojo, in the afternoon/evening Jan. 15 in the Americas, morning in Asia, late night in Europe and Africa.
- Wikidata Live Editing a live stream, on 16 January, of Wikidata edits and queries focusing on Wikipedia turning 20.
- Open Anniversary: Share your favorite memories on this interactive timeline of Wikipedia and the free culture movement.
- Workshop: Creating a Theme for your 2021 A+F Event: As we celebrate Wikipedia's 20th birthday, we are creating a space for connection with the Art+Feminism community. Bring questions, ideas, energy to connect with others in A+F community including A+F leadership, event organizers and participants. This workshop will be repeated three times (twice in English and once in Spanish) to accommodate the global community.
- Wikipedia@20 panel - on January 15 at 17:30UTC, join contributors and editors to the essay collection Wikipedia@20 for a panel discussion
- Talk to the world about Wikipedia - An idea to share facts/ information about Wikipedia among your Non-wiki friends, collegues, social, professional contacts so that they can be motivated to use Wikipedia.
- Several talks about Wikipedia 20 during Wikimania in August 2021.
- Festa da Wiki-Lusofonia 2021 (with Portugal)
- 20 años Wikipedia (en Español)
- #1Lib1Ref Human Challenge
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