Carl Gustav Emil Mannerheim was a Finnish military leader and statesman, born on June 4, 1867. He played a crucial role in the history of Finland, particularly during the Finnish Civil War in 1918, where he led the White forces against the Reds. Mannerheim later served as the President of Finland from 1944 to 1946 and was instrumental in Finland's defense during World War II. Mannerheim is best known for his strategic military leadership, especially during the Winter War against the Soviet Union from 1939 to 1940. He was a key figure in establishing Finland's independence and is often regarded as a national hero. His legacy continues to influence Finnish politics and military strategy today.