October 3 is the 276th day of the year (277th in leap years). There are 89 days remaining in the year.
- 1959 – Greg Proops is born.
- 1975 – Greig Fraser is born.
- 1979 – Star Wars Weekly 84 published.
- 1983 – A New Beginning serial begins at the Los Angeles Times Syndicate.
- 1986 – Joonas Suotamo is born.
- 1987 – Mousy McCallum is born.
- 1995 – Heir to the Empire 1 published.
- 2000 – The New Jedi Order: Agents of Chaos II: Jedi Eclipse published.
- 2001 – Tag & Bink Are Dead 1 published.
- 2002 – Making a Full Recovery published online.
- 2008 – "Ambush" and "Rising Malevolence" air on Cartoon Network, premiering Star Wars: The Clone Wars.
- 2011 – LEGO Star Wars Character Encyclopedia published.
- 2012 – Star Wars Omnibus: Clone Wars Volume 2: The Enemy on All Sides published.
- 2013 – So Uncivilized: Great Gunslingers in Star Wars Part 2 released on StarWars.com.
- 2014 – Star Wars Rebels: Spark of Rebellion airs on the Disney Channel.
- 2017 – William Shakespeare's The Force Doth Awaken: Star Wars Part the Seventh published.
- 2017 – Forces of Destiny: Daring Adventures: Volume 2 published.
- 2017 – "Teach You, I Will" airs on YouTube.
- 2017 – From a Certain Point of View published.
- 2017 – From a Certain Point of View audiobook released.
- 2017 – Star Wars Coding Projects published.
- 2018 – 10th anniversary of Star Wars: The Clone Wars.
- 2018 – Star Wars (2015) 55 published.
- 2018 – Star Wars Adventures: Tales from Vader's Castle 1 published.
- 2019 – Star Wars: Be More Leia published.
- 2023 – Queen's Hope reprinted in paperback.
- 2023 – Star Wars: Galaxy of Stickers: The Dark Side published.
- 2023 – "Part Eight: The Jedi, the Witch, and the Warlord" airs on Disney+.