https://twitter.com/search?q=facebook+until%3A2022-08-25+since%3A2022-08-24

Edit:

Reddit users complaining of this: https://old.reddit.com/r/facebook/comments/wwbfm5/news_feed_showing_people_writing_to_other_people/

Downdetector (a third-party service that asks users if they're down): https://downdetector.com/status/facebook/

Business-oriented status page (all green): https://metastatus.com/