President Truman (center) marches in 35th Division parade in St. Louis. Flanking him are Secretary of Defense Johnson (left) and St. Louis Mayor Joseph M. Darst.Harry S. Truman (May 8, 1884 – December 26, 1972) was the 33rd President of the United States (1945–1953). As President Franklin D. Roosevelt's third vice president and the 34th Vice President of the United States (1945), he succeeded to the presidency on April 12, 1945, when President Roosevelt died less than three months after beginning his unprecedented fourth term.
