Roosevelt was the president during World War II, so in that sense he served his country. If you mean in the sense of military service, he did not. Roosevelt had polio, which would have made him unfit for military service as he spent most of his time in a wheelchair. He was also, as the president, the civilian commander in chief of the military and therefore unable to serve.
Franklin Delano Roosevelt .
FDR : Franklin Delano Roosevelt .
Franklin Delano Roosevelt
Franklin D. Roosevelt and 2nd Harry S. Truman
Franklin Delano Roosevelt .
Franklin Delano Roosevelt .
Franklin Delano Roosevelt was the president during WWII.
Franklin Delano Roosevelt
Franklin Delano Roosevelt and then Harry Truman.
He was not killed but died while in office .
Franklin Delano Roosevelt and Harry Truman, in that order.
President Franklin Delano Roosevelt (FDR).