Treaty of Oestara
Signed in the second month of the 213rd year of the Paelean Era, the treaty ended a war between the nations of Petrova and Oter. The Nephelium War had raged for over a century before both nations agreed to a truce.
The kings of both nations met in what is now known as Oestara City. Under the terms of the treaty, the region known as Oteron Valley was declared a demilitarised zone. Neither nation may lay claim to any area within the valley nor maintain armed forces within it. Even a single unit encroaching upon this no-man’s land could result in a declaration of war.
An indirect result of the treaty was the proclamation of sovereignty declared by the inhabitants of the valley, thereby forming the fledgling nation of Oestara.