Dominions of Sweden and Finland, have anything to say at Riksdags and other meetings..."" Between 1561 and 1629 Sweden made conquests in the Eastern Baltic. All of them were lost in accordance with the Treaty of Nystad in 1721, which concluded the Great Northern War. Estonia placed itself under Swedish rule in 1561 to receive protection against Russia and Poland as the Livonian Order lost their foothold in the Baltic provinces. Territorially it represented the northern part of present-day Estonia. The area was significantly populated by Estonian Swedes, who inhabited the area for centuries after Sweden lost control of it. After the Soviet
Finland–Sweden border in a topographical description made in 1811. The border was decided to run through the geographical centre of the island (defined by coordinates) in the treaty of Åland in 1921 and in the treaty of continental plates in 1972. The Märket lighthouse, built in 1885 by Finland and operated by them, was left on the Swedish side. In 1981, the border on the island was modified into a curve to get the lighthouse on the Finnish side. The border is agreed to be regularly inspected every 25 years. During the independence of Finland, inspections have been made in 1926–1927, 1956–1957,