September 20 is the 263rd day of the year (264th in leap years). There are 102 days remaining.
- 1947 – Steve Gerber is born.
- 1968 – Ben Edlund is born.
- 1973 – Tom Root is born.
- 1976 – Enuka Okuma is born.
- 1976 – Michael Kogge is born.
- 1978 – Star Wars Weekly 33 published.
- 1986 – "Home Is Where the Shrieks Are" and "Princess Latara" air on ABC.
- 2000 – Filming for Attack of the Clones finishes.
- 2000 – Jedi Council: Acts of War 4 published.
- 2004 – Star Wars: Battlefront released for the PC, Xbox, and PS2 platforms.
- 2006 – Knights of the Old Republic 8 published.
- 2007 – Knights of the Old Republic 20 published.
- 2012 – Star Wars: The Clone Wars Comic 6.38 published.
- 2016 – Death Star DLC released for Star Wars Battlefront.
- 2016 – Star Wars Vol. 1 hardcover published.
- 2017 – Poe Dameron 19 published.
- 2017 – Captain Phasma 2 published.
- 2017 – Star Wars Annual (2015) 3 published.
- 2017 – Star Wars Adventures (2017) 2 published.
- 2022 – Visions: T0-B1: The Droid Who Became a Jedi published.
- 2023 – Bounty Hunters 38 published.
- 2023 – Dark Droids: D-Squad 1 published.
