The State Historical Society of Missouri (SHSMO) is dedicated to preserving and promoting the history of Missouri. Founded in 1898, it serves as a research center and repository for historical documents, photographs, and artifacts related to the state's past. SHSMO also offers educational programs and resources for the public, including exhibitions and publications. Located in Columbia, Missouri, the society operates several regional offices and museums across the state. It plays a vital role in documenting the history of significant events, people, and cultures in Missouri, including the Lewis and Clark Expedition and the Civil War.