“The #ProgressPrideflag was an immediate success. On 6 June 2018, [designer Daniel] Quasar posted the design on social media and woke up the following day to find it had gone viral.” https://www.vam.ac.uk/articles/the-progress-pride-flag
Mastodon is the best way to keep up with what's happening.
Follow anyone across the fediverse and see it all in chronological order. No algorithms, ads, or clickbait in sight.