U.S. 250 in Sainte Geneviève – Commemorating America’s Forgotten Western Front May 30-May 31, 2026 Missouri’s oldest town becomes the center of Revolutionary War commemoration as Sainte Geneviève hosts its U.S. 250 celebration the weekend after Memorial Day, honoring the 245th anniversary of the Battle of Fort San Carlos—the westernmost engagement of the American Revolution and a pivotal moment in determining control of the Mississippi River. This two-day living history event brings to life the diverse forces that shaped America’s founding on the frontier, featuring appearances by George Washington and Spanish Governor Bernardo de Gálvez, military encampments representing French, Spanish, British, Osage, and American forces, hands-on historical experiences, period vendors, and a spectacular fireworks finale. The Forgotten Battle That Saved the Mississippi On May 26, 1780, the small Franco-Spanish village of St. Louis faced an assault by nearly 1,000 British-allied Native American warriors and fur traders intent on seizing control of the Mississippi River. Spanish Lieutenant Governor Fernando de Leyba had hastily constructed Fort San Carlos—a single stone tower with trenches—and desperately needed reinforcements. Sainte Geneviève answered the call. François Vallé, a 64-year-old former French militia captain, sent his two sons and 60 well-trained militiamen north to St. Louis, along
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