🎩Harry S. Truman

33rd President · 1945–1953 · Democratic

Harry S. Truman had been Vice President for only 82 days when Franklin D. Roosevelt died suddenly on April 12, 1945. Within months he had approved the use of atomic bombs on Hiroshima and Nagasaki, accepted Japan's surrender, helped launch the United Nations, and begun the structures that would define U.S. foreign policy for the Cold War. His "The Buck Stops Here" desk sign captured his approach to decision-making.

Missouri Beginnings

Truman was the only 20th-century president without a college degree. He grew up on a Missouri farm, served as a captain of artillery in World War I, failed in the Kansas City haberdashery business, and entered politics through the Kansas City Democratic machine of Tom Pendergast. He served two terms as a U.S. senator (1935–1945), leading a highly regarded committee that uncovered billions in defense contract fraud. FDR picked him as a compromise running mate in 1944.

Atomic Bombs

Within weeks of Truman's accidental presidency, he learned for the first time about the Manhattan Project. Germany surrendered in May. Japan fought on. On July 26, 1945, Truman issued the Potsdam Declaration demanding Japanese surrender. Japan did not respond. On August 6, a U.S. B-29 dropped an atomic bomb on Hiroshima; three days later, another fell on Nagasaki. Japan surrendered on August 15. The decision remains among the most debated in American history.

Cold War Architecture

Truman's administration built the postwar international order: the United Nations (1945), the Truman Doctrine of containment (1947), the Marshall Plan to rebuild Western Europe (1948), the Berlin Airlift (1948–49), the North Atlantic Treaty Organization (NATO, 1949), and the Department of Defense, National Security Council, and CIA (all 1947). His containment framework guided U.S. foreign policy for more than 40 years.

Desegregating the Armed Forces

On July 26, 1948, Truman issued Executive Order 9981, ordering the desegregation of the United States Armed Forces. He also called for anti-lynching legislation and fair employment practices — stances that split the Democratic Party and drew a Dixiecrat third-party challenge. Truman won a stunning 1948 upset victory over Republican Thomas Dewey anyway, memorialized by the "Dewey Defeats Truman" headline mistakenly printed by the Chicago Tribune.

Korean War and MacArthur

When North Korea invaded South Korea in June 1950, Truman committed U.S. forces under United Nations command. The Korean War bogged down into a bloody stalemate along the 38th parallel. When General Douglas MacArthur publicly challenged Truman's limited-war strategy, Truman fired him in April 1951 — a politically costly but constitutionally significant assertion of civilian control of the military.

Truman Trivia

• The "S" in his name stood for nothing — his parents compromised between two grandfathers, Shipp and Solomon.
• His "The Buck Stops Here" desk sign is one of the most famous political slogans in U.S. history.
• Puerto Rican nationalists attempted to assassinate him at Blair House in 1950 during White House renovations.
• The Truman Balcony — added to the South Portico of the White House in 1948 — is the only presidential addition to the original White House exterior.

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