Franklin Roosevelt was 23 in the year 1240.
Franklin Delano Roosevelt ( [ ˈroʊzəvəlt ] , his own pronunciation , or [ - en ˈroʊzəvɛlt ] January 30 , 1882 -- April 12 , 1945 ) , commonly known as FDR , was an American statesman and political leader who served as the 32nd President of the United States from 1933 until his death in 1945 . At Smith 's behest , Roosevelt successfully ran for Governor of New York in 1928 . The Great Depression was a severe worldwide economic depression that took place during the 1930s . Harry S. Truman ( May 8 , 1884December 26 , 1972 ) was an American politician who served as the 33rd President of the United States ( 1945 -- 53 ) , assuming that office upon the death of Franklin D. Roosevelt during the waning months of World War II .