Template:Encyclopedia Westarctica:This month in history/October
- 05 October - Official Holidays in Westarctica become codified by law. (2020)
- 12 October - Operation: POLE DANCE is successfully completed in support of MicroCon 2027. (2026)
- 13 October - Admiral George J. Dufek successfully lands a plane at the South Pole. (1956)
- 13 October - Dutch researchers determine the Weddell Sea to have the clearest water of any sea on earth. (1986)
- 14 October - Antarctic explorer Douglas Mawson dies. (1958)
- 19 October - The Westarctican Royal Guards are created. (2017)
- 19 October - Westarctica receives 501c(3) tax exempt status from the IRS. (2018)
- 21 October - Peter I Island was first sighted by Russian explorer Fabian Gottlieb von Bellingshausen. (1821)
- 21 - 25 October - Delegations from Westarctica and Molossia join the Kingdom of Shiloh for the Summit Upon the Seas. (2018)
- 25 October - Polar explorer and U.S. Navy officer, Rear Admiral Richard Byrd (pictured) is born. (1888)
- 25 October - In recognition of his part in ending the Siple War, Grand Duke Niels of Flandrensis is given the title Prince of Siple. (2012)
- 26 October - The Norwegian polar exploration vessel Fram is launched. (1892)
- 26 October - The Westarctica-Raphania War begins. (2022)
- 27 October - A story on Westarctica is published in Conde Nast Traveler. (2016)
- 29 October - A search party sets out to look for Robert Falcon Scott's ill-fated Terra Nova Expedition. (1912)
- 29 October - New Zealand renames "Chinstrap Islet" to Chinstrap Island. (2015)
- 29 October - The Realm of Calsahara becomes a Colony of Westarctica after being liberated by the Westarctican Royal Guards. (2017)
- 30 October - Consul-General Travis writes the Claimant Letter declaring his intention to establish the Achaean Territory of Antarctica in Marie Byrd Land. (2001)