/r/eddit3yearsago: Reddit 3 Years Ago - See the top posts on Reddit from exactly 3 years ago today. - May 29, 2021 - 13:37
/r/gaming: r/gaming - A subreddit for (almost) anything related to games - video games, board games, card games, etc. (but not sports). - September 7, 2019 - 23:58
/r/topofreddit: All the top reddit posts - All the top reddit posts - May 28, 2018 - 20:01