They didn't lose to Finland, they forced them to sign a treaty whereby Finland gave up territory. https://en.wikipedia.org/wiki/Moscow_Peace_Treaty https://en.

They didn't lose to Finland, they forced them to sign a treaty whereby Finland gave up territory. https://en.wikipedia.org/wiki/Moscow_Peace_Treaty https://en.wikipedia.org/wiki/Moscow_Peace_Treaty Finland fought exceptionally well, which shocked the world, but they still lost the winter war.