Original: Urho Kaleva Kekkonen ( ; 3 September 1900 & ndash ; 31 August 1986 ) was a Finnish politician who served as Prime Minister of Finland ( 1950 -- 1953 , 1954 -- 1956 ) and later as the eighth President of Finland ( 1956 & ndash ; 1982 ) .
Simplified: Urho Kaleva Kekkonen ( September 3 1900 -- August 31 1986 ) was the President of Finland between 1956 and 1982 .