The 12th of September marks the 255th day in a standard year, or the 256th day in a leap year. There are 110 days until the end of the year.
- 1947 – The birth of Christopher Neame occurred.
- 1968 – The birth of Paul F. Tompkins took place.
- 1972 – Gideon Emery was born.
- 1973 – The birth of Darren Morfitt is celebrated.
- 1979 – The release of Star Wars Weekly 81 happened.
- 1983 – The book Lando Calrissian and the Flamewind of Oseon was released.
- 2001 – The release of Jedi Quest 1 occurred.
- 2005 – The death of Peter Barbour is recorded.
- 2006 – The original Star Wars trilogy was made available on DVD.
- 2006 – The video game LEGO Star Wars II: The Original Trilogy was launched for several gaming systems: Xbox, Xbox 360, PlayStation 2, GameCube, PSP, Nintendo DS, Wikipedia:Game Boy Advance and PC.
- 2007 – Legacy (2006) 16 saw its publication.
- 2009 – StarWars.com published The Clone Wars: Hunting the Hunters (Part III).
- 2012 – The release of The Crimson Empire Saga happened.
- 2012 – The release of Knight Errant: Escape 4 occurred.
- 2012 – Publication of Lost Tribe of the Sith—Spiral 2 took place.
- 2018 – The Last Jedi Adaptation 6 was published.
- 2018 – The release of Darth Vader (2017) 21 took place.
- 2023 – Star Wars: Sana Starros – Family Matters was released.
- 2023 – Publication of Star Wars: The Mandalorian Vol. 1 in the United States occurred.
- 2023 – LEGO Star Wars Galaxy Mission was published.
- 2023 – "Part Five: Shadow Warrior" was broadcasted on Disney+.
- View September 12 on Wikipedia