This is a Civil War era photo provided by the Library of Congress shows a portrait of Frances Clalin Clayton, woman who disguised herself as a man, "Jack Williams," to fight in the Civil War. On May 15, 2015, Steve Killings, board president of The Academy for Veteran Education and Training, an educational nonprofit group located at Historic Jordan Springs, said that the organization is trying to erect a monument to honor the more than 500 women who posed as men so they could fight. (Library Of Congress via AP)