Baron Carl Gustaf Emil Mannerheim was a Finnish military commander and statesman. He served as the military leader of the Whites in the Finnish Civil War (1918), as regent of Finland (1918–1919), as commander-in-chief of the Finnish Defence Forces during World War II (1939–1945), and as the president of Finland (1944–1946). He became Finland's only field marshal in 1933 and was appointed honorary Marshal of Finland in 1942.