Franklin Delano Roosevelt, also known as FDR, was the 32nd president of the United States, serving from 1933 until his death in 1945. He is the longest-serving US president and the only one to have served more than two terms. His first two terms centered on combating the Great Depression, while his third and fourth focused on US involvement in World War II. A member of the Democratic Party, Roosevelt served in the New York State Senate from 1911 to 1913 and as the 44th governor of New York from 1929 to 1932. Roosevelt was President of the United States in 1941 during the attack on Pearl Harbor, declaration of war against Japan and resulting entry of the United States into World War II. The editors had already chosen Dumbo as their "Mammal of the Year" before the Pearl Harbor attack, but quickly changed it to Roosevelt. Wiki link