sentences:  The Finnish population was evacuated, and the settlement finally ceded to the Soviet Union after Continuation War in 1944.The historical name Rautu was changed to the Russian Sosnovo in 1948, as with most historical names of the ceded Finnish Karelian isthmus.Before the Winter War (1939–1940) and the Continuation War (1941–1944), it was the administrative center of the Rautu municipality of Viipuri Province of Finland.