North Sea between and among rivers, artificial harbours, and the sea. The Kiel Canal, connecting the North Sea with the Baltic Sea, is the most heavily used artificial seaway in the world reporting an average of 89 ships per day not including sporting boats and other small watercraft in 2009. It saves an average of , instead of the voyage around the Jutland peninsula. The North Sea Canal connects Amsterdam with the North Sea. North Sea The North Sea is a marginal sea of the Atlantic Ocean located between the United Kingdom (particularly England and Scotland), Denmark, Norway, Sweden, Germany, the Netherlands,
White Sea–Baltic Canal the USSR in 1941, supported by Finland in the Continuation War, the route of the canal became the front line. On June 23, 1941, the day after the German invasion of the USSR, 16 Finnish commandos were brought to the canal by two German Heinkel He 115 seaplanes, which had taken off in Oulujärvi. The commandos were Finnish volunteers recruited by the German Major Schaller. They wore German uniforms and had German weapons, as the Finnish General Staff did not want to have anything to do with the operation. The commandos' task was to blow up the canal's locks, but,