Dee ihe na-aga n'ihu na paragraf a - Mannerheim rụrụ ọrụ na ndị agha Imperial Russian, na-ebili site na 1917 ruo n'ọkwa nke lieutenant general. O nwere ọnọdụ pụtara ìhè n'ememe nke echichi Eze Ukwu Nicholas nke Abụọ na 1896 ma mesịa nwee ọtụtụ nzukọ onwe onye ya na Eze Ukwu ahụ. Mgbe ndị Bolshevik mere mgbanwe ọchịchị na Russia na Nọvemba afọ 1917, mba Finland nweere onwe ya <unk> ma n'oge na-adịghị anya, ha malitere ịlụ agha
n'etiti ndị Bolshevik na-akwado "Red" na "Whites", ndị bụ ndị agha nke Senate nke Finland, nke ndị agha nke German Alaeze Ukwu kwadoro. A họpụtara Mannerheim ka ọ bụrụ onye isi ndị agha nke ndị ọcha, site na ndị nnọchi anya Finnish. A họpụtara Mannerheim ka ọ bụrụ onye isi ndị agha nke mba ahụ na 1939 mgbe mwakpo Soviet nke Finland dara ada. Ọ sonyekwara na atụmatụ nke Operation Barbarossa ma duru ndị Finnish Defence Forces na mbuso agha nke USSR n'akụkụ Nazi Germany nke a maara dị ka Agha Nọgide. Na 1944, mgbe atụmanya nke mmeri nke Germany na Agha Worldwa nke Abụọ bịara doo anya, nzuko omeiwu Finnish họpụtara Mannerheim ka ọ bụrụ Onye isi ala nke Finland, ọ lekọtakwara mkparịta ụka udo na Soviet Union na UK. Ọ gbara arụkwaghịm n'ọchịchị n'afọ 1946 ma nwụọ n'afọ 1951.