1940 - Winter War: Finland signs a harsh peace treaty with the Soviet Union, ceeding almost all of Karelia. Finnish troops and remaining population were immediately evacuated.
... and 19.9% who are 65 years of age or older. The median age is 43 years. For every 100 females there are 102.7 males. For every 100 females age 18 and over, there are 97.9 ...