Short answers, pulled from the story.
Harry S. Truman was born on the 8th of May 1884 in Lamar, Missouri. He grew up as the oldest child of John Anderson Truman and Martha Ellen Young Truman before his family moved to a farm near Harrisonville when he was ten months old.
Harry S. Truman served in Battery B of the 2nd Missouri Field Artillery Regiment and later commanded Battery D of the 129th Field Artillery during the Meuse-Argonne offensive. On the 26th of September 1918, he ordered fire that destroyed an enemy artillery battery across a river, saving lives of soldiers from the 28th Division.
After his haberdashery went bankrupt during the recession of 1921, Harry S. Truman received support from the Pendergast machine to be elected County Court judge of Jackson County's eastern district on the 1st of January 1923. He later won back the position as presiding judge in 1926 and coordinated the Ten Year Plan which transformed Jackson County with new roads and a county court building.
Harry S. Truman chaired the Committee on Military Affairs Subcommittee on War Mobilization to investigate abuses and corruption in government contracts starting in late 1940. His committee reportedly saved as much as $15 billion and put him on the cover of Time magazine by March 1944.
Harry S. Truman approved dropping two atomic bombs on Japanese cities in August 1945 after learning the Trinity test succeeded on July 16. He also signed the National Security Act of 1947 creating the Central Intelligence Agency and authorized creation of the National Security Agency on the 4th of November 1952.
Harry S. Truman won the 1948 election by securing 303 electoral votes against Thomas Dewey's 189 through a whistle-stop campaign that crisscrossed the United States by train aboard Ferdinand Magellan. Six stops in Michigan drew combined half-million people while full million turned out for New York City parade, culminating in the defining image of Truman holding aloft an erroneous Chicago Tribune front page proclaiming Dewey Defeats Truman.