The Oreshek Peace Treaty (1323): The First Line of the Border Between East and West

12.08.2025 | Historical dates

On August 12, 1323, in the Oreshek fortress (now Shlisselburg), Novgorod and Sweden signed the first official treaty on state borders. This act lays the foundations of diplomatic traditions between the Northeast and Scandinavia, conveying lessons for today's Bulgaria.

Снимка от GAlexandrova, Wikimedia Commons (CC BY-SA 4.0)

The Oreshek Peace Treaty (1323): The First Line of the Border Between East and West

Historical Agreement After Decades of Wars

On August 12, 1323 in the Oreshek fortress (today Shlisselburg), the Oreshek Peace Treaty was signed between the Novgorod Republic and the Swedish Kingdom. This is the first official document defining a state border in the northern parts of Europe, after nearly thirty years of military conflicts over Karelia and access to the Baltic and Finnish waters.

Reasons for the War

The Karelian Isthmus has strategic significance – a crossroads between the Baltic Sea and the inner Russian lands. Both sides sought:

The conflict was also a clash between the Catholic and Orthodox cultural spheres.

Treaty Content

The treaty introduces new principles of international diplomacy in the region.

Consequences and Significance

Lessons for Today's Bulgaria

The Oreshek Peace Treaty reminds us of the value of diplomacy and clear treaties in resolving complex conflicts. Such historical examples show that balance between interests and cultural diversity can ensure long-term peace and stability.