When Finland had to surrender the Karelian isthmus after the end of the Winter War to the USSR, 12% of the total population of Finland lived there, ~500,000 people. They were offered Soviet citizenship.
They all declined.
When Finland had to surrender the Karelian isthmus after the end of the Winter War to the USSR, 12% of the total population of Finland lived there, ~500,000 people. They were offered Soviet citizenship.
They all declined.