Template:Encyclopedia Westarctica:This month in history/May
- 05 May - A Statute for the Autonomy for the Balleny Islands is approved by Grand Duke Travis. (2005)
- 11 May - The Consular-Consort is disbarred from the nobility and exiled from the Achaean Territory. Her son, Prince Ashton Roman retains his right as heir to the throne. (2004)
- 15 May - Grand Duke Travis attends a State Dinner with Emperor Oscar of the Empire of Karnia-Ruthenia. (2023)
- 17 May - Westarctica's first Treaty with another nation is signed with the Republic of Molossia (first state visit pictured). (2005)
- 22 May - The Royal Council, Westarctica's cabinet, meets for the first time since 2006. (2018)
- 24 May - Prime Minister Waesche resigns from his post as leader of Westarctica's government after seven years as Prime Minister. (2017)
- 24 May - Grand Duke Travis attends a diplomatic dinner with leaders from Atlantium and the Principality of Wy. (2022)
- 26 May - A coup to remove Grand Duke Jon-Lawrence from the throne of Westarctica is successfully organized by the Minister of Defense and the former Grand Duke Travis. (2010)
- 31 May - Grand Duke Travis conducts a diplomatic visit to Atlantium. (2022)