(DC) (Rock Creek Conservancy) Join Rock Creek Park, Rock Creek Conservancy, Military Road School Preservation Trust (MRSPT), and the National Association for Colored Women's Club (NACWC), and the Civil War Defenses of Washington to celebrate the 100th anniversary of Lincoln-Thomas Day. Lincoln-Thomas Day, initiated by the National Federation of Colored Women's Clubs of America, was first observed on September 22, ...