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circa 1935: Studio headshot portrait of American president Franklin Delano Roosevelt (1882-1945). (Photo by Hulton Archive/Getty Images)

circa 1935:  Studio headshot portrait of American president Franklin Delano Roosevelt (1882-1945).  (Photo by Hulton Archive/Getty Images)

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1936: Franklin Delano Roosevelt (1882 - 1945) the 32nd President of the United States from 1933-45. A Democrat, he led his country through the depression of the 1930's and World War II, and was elected for an unprecedented fourth term of office in 1944. (Photo by Keystone Features/Getty Images)

1936:  Franklin Delano Roosevelt (1882 - 1945) the 32nd President of the United States from 1933-45. A Democrat, he led his country through the depression of the 1930's and  World War II, and was elected for an unprecedented fourth term of office in 1944.  (Photo by Keystone Features/Getty Images)

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Franklin Delano Roosevelt (1882-1945), the 32nd President of the United States, at his estate in Hyde Park, New York. (Photo by Keystone/Getty Images)

Franklin Delano Roosevelt (1882-1945), the 32nd President of the United States, at his estate in Hyde Park, New York.   (Photo by Keystone/Getty Images)

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American President Franklin D Roosevelt and First Lady Eleanor Roosevelt as they leave church, 1940s. (Photo by PhotoQuest/Getty Images)

American President Franklin D Roosevelt and First Lady Eleanor Roosevelt as they leave church, 1940s. (Photo by PhotoQuest/Getty Images)

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The Yalta ('Big Three') Conference, 1945, Winston Churchill, Franklin D Roosevelt and Jospeh Stalin sit for photographs during the Yalta ('Big Three') Conference in February 1945. (Photo by Imperial War Museums via Getty Images)

The Yalta ('Big Three') Conference, 1945, Winston Churchill, Franklin D Roosevelt and Jospeh Stalin sit for photographs during the Yalta ('Big Three') Conference in February 1945. (Photo by Imperial War Museums via Getty Images)