Franklin Delano Roosevelt was the 32nd president of the United States. He served from 1933 until his death in 1945, making him the only president elected to four terms. FDR joined the Democratic party and was elected to the New York State Senate in 1910. He later served as Assistant Secretary of the Navy. Elected president in 1932 during the Great Depression, FDR established New Deal programs to provide relief and reform. As World War II began, he led the US to an Allied victory.