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
Finland–Russia border Finland–Russia border The Finnish–Russian border is the roughly north/south international border between the Republic of Finland (EU member) and the Russian Federation (CIS). Some 1,340 km (833 miles) long, it runs mostly through uninhabited taiga forests and sparsely populated rural areas, not following any particular natural feature or river. It is also part of the external border of both the political and economic union; European Union (EU) and the loose confederation; Commonwealth of Independent States (CIS). Border crossings are controlled and patrolled by the Finnish Border Guard and Border Guard Service of Russia, who also enforce border zones (0.1–3 km