Finland–Sweden border border continues south into the northern Baltic Sea to a point where it meets the zone border of Estonia. The tripoint between the economic zones is defined by a treaty signed in 2001. The Finnish–Swedish border was created in 1809 by the Treaty of Fredrikshamn, as Sweden ceded Finland over to Russia. The course of the border was described in the fifth article of the treaty, without great detail. The borders were agreed to be the Sea of Åland, the Gulf of Bothnia, and the rivers Tornionjoki and Muonionjoki. Islands in the sea belonged to whichever country was the nearest
Charles XII of Sweden designs eventually led to the famous Swedish war ships Jarramas (Yaramaz) and Jilderim (Yıldırım). Meanwhile, Russia and Poland regained and expanded their borders. Great Britain, an adversary of Sweden, defected from its alliance obligations while Prussia attacked Swedish holdings in Germany. Russia occupied Finland (the Greater Wrath 1713–1721). After defeats of the Swedish army, consisting mainly of Finnish troops in the Battle of Pälkäne 1713 and the Battle of Storkyro 1714, the military, administration and clergymen escaped from Finland, which fell under Russian military regime. Augustus II regained the Polish throne. Charles agreed to leave Constantinople and returned to Swedish