Question: When was the Finnish military leader and statesman died who served as  Commander-in-Chief under Johan Wilhelm (Jukka) Rangell?
Sentence (from "Johan Wilhelm Rangell"): After the resignation of President Kyösti Kallio during the Interim Peace, Risto Ryti was elected by the Electoral College as the new president of Finland on December 19, 1940, and Rangell rose to the position of Prime Minister.
Relevant evidence: No