Truman Day is a U.S. commemorative holiday to celebrate the birth of Harry S. Truman, the 33rd President of the United States. It is celebrated May 8 each year. Truman led the United States through the end of World War II and during the great shifts in international politics in the late 1940s and early 1950s. After his presidency, he returned to live in his native state Missouri, where he founded the Harry S Truman Presidential Library and Museum.
