The Civil War Museum of Philadelphia (formerly the Civil War and Underground Railroad Museum of Philadelphia and previously the Civil War Library and Museum) in Philadelphia, Pennsylvania, claims to be the oldest chartered American Civil War institution in the United States. The museum was founded in 1888 by veteran officers of the Union Army, Navy and Marine Corps. While closed, the collection were stored at the Gettysburg Museum and Visitor Center, where material from the collection was displayed 2013-2015.