Ar un o’r cerrig coffa ar Gofeb Washington fe welir y geiriau “Fy iaith, fy ngwlad, fy nghenedl, Wales – Cymru am byth”.
One of the memorial stones on the Washington Monument is inscribed with “Fy iaith, fy ngwlad, fy nghenedl, Wales – Cymru am byth” - My language, my land, my nation, Wales – Wales forever.