Template:Encyclopedia Westarctica:This month in history/June
- June - The Consul-General restructures the regions of the Achaean Territory and divides the land into two Grand Duchies. George Morin is appointed Grand Duke of Ellsworth and the Grand Duchy of Byrd is reserved for the future heir to the throne. (2002)
- 04 June - Following the removal of Grand Duke Jon-Lawrence from power, Grand Duke Travis is again proclaimed the ruler of Westarctica and the Transitional Government is established. (2010)
- 06 June - The Consul-General issues a Statement of Faith, publicly proclaiming his devotion to the Holy Trinity. (2004)
- 10 June - The Consul-General dissolves the Chancellery and proclaims the establishment of an interim government to guide the transition of the Achaean Territory of Antarctica into the Grand Duchy of Westarctica. (2004)
- 13 June - Grand Duke Travis has an epiphany of a cross with a crown around it and is inspired to design a new flag, he also pledges to make Westarctica a Christian nation. (2004)
- 14 June - Don't Want to Miss You single is released to benefit Westarctica. (2021)
- 19 June - The Earldom of Truett is established in the Rockefeller Dukedom and given to Jeffery Truett. (2003)
- 19 June - Honorary Consuls are appointed to Spain, Italy, and the Philippines. (2018)
- 23 June - The Antarctic Treaty (flag pictured) is ratified by the United States. (1961)
- 23 June - The Duke of Moulton-Berlin sends an urgent plea to the former Grand Duke Travis asking him to intervene in Westarctican affairs. (2008)
- 24 June - A delegation from Westarctica attends the 2nd Biennial MicroCon in Atlanta, Georgia. (2017)
- 27 - 28 June - Westarctica's delegation attends MicroCon 2025 in Montreal, Canada. (2025)
- 28 June - Westarctica's Consul to the UK attends the 2019 GUM Summit in Birmingham, UK. (2019)
- 30 June - The Grand Ducal Mandate is passed into law and becomes the constitution of Westarctica. Grand Duke Travis abolishes all the old titles of the Achaean Territory and appoints new members to the Baronage and nobility. (2004)
- 30 June - The GUM awards Westarctica its 2022 "Best non-GUM Micronation" award. (2022)
