Mae’r wylnos yn rhan o raglen Cymru’n Cofio 1914-1918, sy’n nodi can mlynedd ers y Rhyfel Byd Cyntaf. Cynhelir digwyddiadau, prosiectau a rhaglenni coffa ledled Cymru.
The vigil is part of the Cymru’n Cofio Wales Remembers 1914-1918 programme which marks the centenary of the First World War with commemorative events, projects and programmes across the length and breadth of Wales.