The Equestrian statue of Marshal Mannerheim was erected as a monument to the leader of the Whites during what event?
Carl Gustaf Emil Mannerheim Baron Carl Gustaf Emil Mannerheim (] ; 4 June 1867 – 27 January 1951) was a Finnish military leader and statesman. Mannerheim served as the military leader of the Whites in the Finnish Civil War, Regent of Finland (1918–1919), commander-in-chief of Finland's defence forces during World War II, Marshal of Finland, and the sixth president of Finland (1944–1946).
Maximilian William of Brunswick-Lüneburg Duke Maximilian William of Brunswick-Lüneburg (German: "Maximilian Wilhelm" ; 13 December 1666 – 16 July 1726), often called Max, was a member of the House of Hanover who served as an Imperial Field Marshal.