Väinö II (Wolfgang Moritz; 6 November 1896 – 12 July 1989) was the King of Finland from 1940 until his death. A member of the House of Hesse, Väinö was the son of Väinö I and Princess Margaret of Prussia. He became heir apparent when his father was elected king in 1918.He served as the commander of the Army of the Isthmus during the Winter War and the Interim Peace. Succeeding to the Norwegian Throne in 1940 upon his father's death, he led Finland during the Continuation War and oversaw peace time reconstruction of his country. He pioneered an “active neutrality” policy, under which Finland retained its independence while maintaining extensive trade with members of NATO as well as those of the Warsaw Pact. He wad Finland's longest reigning monarch of 50 years.