https://en.wikipedia.org/w/index.php?title=ActivityPub&action=historysubmit&type=revision&diff=841539033&oldid=841472768 A whole bunch of these were removed, including some which say ActivityPub on their homepage :\
Some of them could be referenced on their Implementation Reports page though: https://activitypub.rocks/implementation-report/
@cwebber i don't understand the motivations of people who do edits like this
@cwebber Somebody just removed the entire list I added? That's just malicious!
@njoseph It got added back though... whew!