October 21 is the 294th day of the year (295th in leap years), with 71 days remaining.
- 1933 – Doug Chamberlain is born.
- 1956 – Carrie Fisher is born.
- 1977 – Delilah S. Dawson is born.
- 2008 – Millennium Falcon published.
- 2008 – Star Wars: The Old Republic announced.
- 2009 – Star Wars: Knights of the Old Republic: Dueling Ambitions published.
- 2009 – Knights of the Old Republic 46: Destroyer, Part 2 published.
- 2014 – Ezra's Wookiee Rescue published.
- 2014 – Servants of the Empire: Edge of the Galaxy published.
- 2014 – The Rebellion Begins published.
- 2014 – Star Wars Insider 153 published.
- 2014 – A special limited edition of The Adventures of Luke Skywalker, Jedi Knight published.
- 2015 – Darth Vader 11 released.
- 2015 – Shattered Empire 4 released.
- 2015 – Relics of the Old Republic airs on Disney XD.
- 2018 – "Fuel for the Fire" airs on Disney Channel.