The year 1990 saw the release of The Rebel Alliance Sourcebook. Here is a chronological listing of Star Wars related events that took place in 1990.
- 10 – The death of Diane Polley occurred.
- 22 – The birth of Bobby Hall took place.
- ?? – West End Games released Galaxy Guide 5: Return of the Jedi, a supplementary resource for Star Wars: The Roleplaying Game.
- ?? – West End Games released Galaxy Guide 6: Tramp Freighters, another supplementary resource for Star Wars: The Roleplaying Game.
- 16 – The launch of Entertainment Weekly happened.
- 13 – Alec Medlock was born.
- 24 – The birth of Keisha Castle-Hughes is recorded.
- 20 – The death of Alex McCrindle is recorded.
- 16 – The birth of Thomas Brodie-Sangster occurred.
- 01 – Publication of Jedi's Honor.
- ?? – Publication of The Game Chambers of Questal.
- ?? – Publication of The Isis Coordinates.
- ?? – Publication of Death in the Undercity.
- ?? – Publication of Scoundrel's Luck.
- 05 – Max Mittelman was born.
- 15 – The birth of Vincent Martella took place.
- ?? – The release of The Rebel Alliance Sourcebook is recorded.
- 21 – Mandeep Dhillon was born.
- The birth of Amir El-Masry is recorded.
- The birth of Aaron Heffernan is recorded.
- Publication of Black Ice.
- Publication of Escape from the Death Star.
- – Winter saw the release of The Lucasfilm Fan Club Magazine 10.
- – Spring saw the release of The Lucasfilm Fan Club Magazine 11.
- – Summer saw the release of The Lucasfilm Fan Club Magazine 12.
- – Winter saw the release of The Lucasfilm Fan Club Magazine 13.