Dadorchuddio cofeb 100 mlwyddiant marwolaeth Hedd Wyn ar wal Caffi'r Hagebos, Langemark, gyda'r Archdderwydd Geraint Lloyd Owen.
Unveiling the memorial on the wall of the Hagebos Café, Langemark, to mark 100 years since Hedd Wyn's death, with the Archdruid Gerallt Lloyd Owen.