Transit of German troops through Finland and Sweden Union immediately requested a similar but more far-reaching concession from Finland, which invited the Third Reich to trade similar transit rights through Finland in return for weaponry lacked by the Finns. This was the first significant proof of a changed, more favorable, German policy vis-à-vis Finland, that ultimately would put Finland in a position of co-belligerence with Nazi Germany in the Continuation War against the Soviet Union (June 25, 1941 – September 4, 1944). After Denmark and Norway were invaded on April 9, 1940, Sweden and the other remaining Baltic Sea countries became enclosed by Nazi Germany and the Soviet
Sweden–Finland cities of Sweden", thus implying that the two entities are not identical. In this context, however, "Finland" usually referred to the provinces of Finland Proper and Satakunta, not to Tavastia or Karelia. Sweden–Finland Sweden–Finland (, ) is a Finnish historiographical term referring to Sweden from the 12th century to the Napoleonic wars. In 1809, the realm was split after the Finnish war. The eastern half came to constitute the autonomous Grand Duchy of Finland, in personal union with Imperial Russia. The term was coined by Finnish historians during the 1920s, but since then there has been an effort to drop