This is a list of Wikipedians to invite to Southern California meetups and edit-a-thons (often using Special:MassMessage and Template:South Africa invite). Feel free to add yourself!
MediaWiki:Gadget-geonotice-list.js can also be used to advertise events. Sample message:
South Africa 11: { beginĀ : '28 August 2021 10:00 SAST', end: '28 August 2021 12:00 SAST', corners: text: "You are invited to the [[Wikipedia:Meetup/South Africa/South Africa 11|South Africa 11th meetup]] on Saturday, 28 August 2021 from 10am to 12pm in Online." },