September 15 is the 258th day of the year (259th in leap years). There are 107 days remaining.
- 1895 – J. M. Meulenhoff is founded.
- 1922 – Bob Anderson is born.
- 1977 – Tom Hardy is born.
- 1981 – Ben Schwartz is born.
- 1984 – Return of the Jedi Weekly 65 published.
- 1999 – Star Wars: Episode I The Phantom Menace video game released on the PlayStation platform.
- 2005 – The Believers article published on Wizards of the Coast website.
- 2009 – Galaxy at War released.
- 2010 – Star Wars: Dark Empire Trilogy released.
- 2010 – Star Wars: Clone Wars Adventures released.
- 2020 – Star Wars: Jedi Fallen Order - Dark Temple trade paperback published.
- 2020 – Star Wars Rebels, Vol. 2 published in Japan.
- 2021 – War of the Bounty Hunters – Boushh 1 published.
- 2021 – Darth Vader (2020) 16 published.
- 2021 – The High Republic Adventures — The Monster of Temple Peak 2 published.
- 2021 – Star Wars Leia, Princess of Alderaan, Vol. 2 published in Japanese.
- 2021 – Star Wars Rebels, Vol. 3 published in Japanese.
- 2021 – Star Wars: The Mandalorian Coloring Book: Bounty on the Move published.
- 2021 – Star Wars Insider 205 published.
