He also joined the volunteer forces fighting for Finland against the Soviet invasion in the winter war of 1939. https://en.wikipedia.org/wiki/Foreign_support_o

He also joined the volunteer forces fighting for Finland against the Soviet invasion in the winter war of 1939. https://en.wikipedia.org/wiki/Foreign_support_of_Finland_in_the_Winter_War https://en.wikipedia.org/wiki/Foreign_support_of_Finland_in_...