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
History of Finland contributed to the early stages of the Livonian War which was a warlike era which lasted for 160 years. In the first phase, Sweden fought for the lordship of Estonia and Latvia against Denmark, Poland and Russia. The common people of Finland suffered because of drafts, high taxes, and abuse by military personnel. This resulted in the Cudgel War of 1596–1597, a desperate peasant rebellion, which was suppressed brutally and bloodily. A peace treaty (the Treaty of Teusina) with Russia in 1595 moved the border of Finland further to the east and north, very roughly where the modern border lies.