List of national border changes

14th Century

• 1301 — Unification of the nine Vistari States under the rule of Hednrik I of Vierbaak, forming the Vistari Rijk.

20th Century

• 1927 – Passage of the Transnalpian Governance Act and the Sweoraport Agreement, making Transnalpia an independent country from Tretrid.
• 14th November 1951 — First Dekuuliye Treaty, ending the First Hadeni Restoration War with the annexation of the Kaurmji People's Republic and the Social Republic of Dhacdaya into Hadena.
• 20th September 1984 — Adelia Agreement signed. Agreement formalized the annexation of Grenstroom and Lijnveld into the Western Provinces, the annexation of the North of Lower Suvania by Upper Suvania and the occupational partition of Adelisia.
• 14th November 1989 — Third Dekuuliye Treaty, annexation of the previously-occupied Aanura into Hadena as the Autonomous Taifa of Aanura.

21st Century

• 2002 – Oscrelian Annexation of Borova occurs in the midst of the Salovian Civil War.
• 19th September 2020 — Unconditional Surrender of Vakarastan to the Joint Command, annexation of the country into Durakia.
• December 2020 — Unconditional Surrender of Balistria to Alksearia ending the Balistrian Coalition War, full annexation into Alksearia.
• 1st March 2021 — Ratification of the Constitution of K'undzeti, granting it independence from Vistaraland.
• 6th February 2022 — Purchase of the Island of Marifort, formerly Ryésdósanle Çéqi, by the See of Supremacy from New Leganes, establishing de jure joint rule on the island by New Leganes and Vistaraland