From Fan History Wiki
- Diane Marchant’s Kirk/Spock “A Fragment Out of Time” was published in Grup 3 in September of 1974.
- On September 20, 1992, the Mighty Ducks movie had its premiere in the United States. 
- On September 20, 1997, the episode Burning Down The House originally aired on via syndication.  It marked the start of the third season of Due South.
- On September 12, 2002, FanFiction.Net banned all Real Person Fic (RPF). The Beatles community on the BeatleLinks Fab Forum, which had spent the previous two months complaining about the site, immediately went to work trying to have FanFiction.Net rescind their ban. One of their main arguments for keeping this material was that removing it violated their freedom of speech. By September 21, the petition that was circulating in various fan fiction communities had 2,259 signatures.
- On September 20, 2002, the Kingdom Hearts LiveJournal community kingdom_hearts was created. 
- On September 20, 2005, the Supernatural episode Wendigo originally aired on CW in the United States. 
Recent days: September 19 – September 18 – September 17