Join the Harry S. Truman Birthplace State Historic Site and the Barton County Chamber of Commerce as we celebrate the 142nd birthday of Harry S. Truman — Missouri’s only U.S. President — and America’s 250th on May 2nd in Lamar, Missouri!
May 2, 2026 │ 9 a.m. – 3 p.m.
Enjoy a full day of springtime fun featuring craft and food vendors, live music, family-friendly contests, baby show, dog show, wagon rides and activities for all ages. Don’t miss our first-ever Patriotic Parade as we re-create President Truman’s historic 1959 dedication walk from the Lamar Historic Downtown Square to his birthplace, honoring the moment he returned home for the site’s dedication.
Come celebrate history, community and country right here in Barton County, Missouri!
All events are free to attend (unless noted), including parking.