October 31 is the 304th day of the year (305th in leap years). There are 61 days remaining. It is known best for being the day on which Halloween, or All Hallows Eve, occurs.
- 1962 – Clint Bajakian is born.
- 1970 – Nolan North is born.
- 1979 – Star Wars Weekly 88 published.
- 1995 – Droids: Season of Revolt 2 published.
- 1995 – X-Wing Rogue Squadron 4 published.
- 1998 – Star Wars Insider 40 published.
- 2000 – The New Jedi Order: Balance Point hardcover and audiobook published.
- 2002 – Trade and Trade Alike article published on Wizards of the Coast website.
- 2006 – Wookieepedia reaches 40,000 articles.
- 2006 – The New Essential Guide to Alien Species paperback published.
- 2007 – Legacy (2006) 17 published.
- 2007 – Star Wars Omnibus: Tales of the Jedi, Volume 1 released.
- 2008 – Fists of Ion published on StarWars.com
- 2009 – "Planet of the Dead" re-published as a free mini-comic for Halloween.
- 2012 – Darth Maul—Death Sentence 4 published.
- 2016 – Autumn Hamill is born.
- 2017 – "The Happabore Hazard" airs on YouTube.
- 2018 – Star Wars Adventures: Tales from Vader's Castle 5 published.
- 2018 – Star Wars Adventures (2017) 15 published.
- 2019 – I Am C-3PO: The Inside Story published.
- 2023 – Star Wars Legends: The Empire Omnibus Vol. 2 published.
- 2023 – Star Wars: The High Republic Adventures — The Monster of Temple Peak and Other Stories published.
- 2023 – Star Wars Insider 222 published.