The Historical Society of Washington D.C.
The Historical Society of Washington, D.C., is an educational foundation and museum dedicated to preserving and displaying the history of Washington, D.C. The society provides lectures, exhibits, classes, community events, and other educational programs as part of its mission. In addition, the society's Kiplinger Research Library houses a collection of books, maps, photographs, and other materials relevant to the history of the city. Located in the center of Mount Vernon Square in Washington, the society occupies a Beaux-Arts building built by Andrew Carnegie in 1902 (one of his many Carnegie libraries), originally used as the District of Columbia Public Library. The building is open to the public from Monday through Sunday 10am to 5pm. Visitors are welcome to tour current exhibits and use the society's library.