/r/eddit5yearsago: Reddit 5 Years Ago - See the top posts on Reddit from exactly 5 years ago today. - May 17, 2021 - 19:14
/r/eddit3yearsago: Reddit 3 Years Ago - See the top posts on Reddit from exactly 3 years ago today. - May 17, 2019 - 18:09
/r/GifSound: GifSound - Gif Sound Mashups / Gifs with Sound Combos - May 16, 2016 - 12:16
/r/gaming: r/gaming - A subreddit for (almost) anything related to games - video games, board games, card games, etc. (but not sports). - May 16, 2016 - 06:37