Hefyd, bydd Llywodraeth Cymru a Cadw yn nodi Diwrnod Rhyngwladol Diddymu Trais yn erbyn Menywod, drwy arddangos llun o Ruban Gwyn ar adeilad y Pierhead ym Mae Caerdydd ac ar gestyll Caerffili, Caernarfon a Chonwy nos Wener.
In addition, the Welsh Government and Cadw will mark the International Day for the Elimination of Violence against Women, by projecting the White Ribbon onto The Pierhead Building in Cardiff Bay and Caerphilly, Caernarfon and Conwy Castles on Friday night.