Harry S. Truman, the 33rd President of the United States, served from 1945 to 1953. Born on May 8, 1884, in Lamar, Missouri, Truman was thrust into the presidency after the death of Franklin D. Roosevelt. His presidency was marked by momentous decisions that shaped the post-World War II era and the early Cold War period.Truman is perhaps best known for his controversial decision to use atomic bombs against Japan in 1945, which led to the end of World War II. He also implemented the Marshall Plan to rebuild Europe’s economy, established the Truman Doctrine to contain Soviet expansionism, and sent U.S. forces to Korea to repel a communist invasion.Domestically, Truman proposed numerous liberal reforms, but many were stymied by a conservative Congress. Despite the challenges, his presidency laid the groundwork for the modern welfare state and set the stage for the civil rights movement.Truman’s early life included working as a farmer and a haberdasher, and he served as a captain in the Field Artillery during World War I. His political career began as a judge in Jackson County, Missouri, and he later served as a U.S. senator before becoming vice president. His leadership during a critical time in history has left a lasting legacy on both domestic and international fronts.