Germany–Poland border former also affected by the Silesian Uprisings). The shape of that border roughly resembled that of pre-partition Poland. After World War II, the border was drawn from Świnoujście (Swinemünde) in the north at the Baltic Sea southward to the Czech Republic (then part of Czechoslovakia) border with Poland and Germany near Zittau. It follows the Oder–Neisse Line of the Oder (Odra) and Neisse (Nysa) rivers through most of their course. This was agreed upon by the main Allies of World War II – USSR, USA and UK, at the Soviets' insistence, and, without any significant consultations with Poland (or Germany),
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,