Y Rhyfel OerY llen a'r murBBC Radio Cymru Duration: 45 o funudauFirst broadcast: Sun 1st Nov 2009, 18:45 on BBC Radio CymruLatest broadcast: Tue 3rd Nov 2009, 13:15 on BBC Radio Cymru20 mlynedd wedi cwymp wal Berlin Ifor ap Glyn sy'n olrhain hanes y mur a dylanwad y "llen Haearn". A history of the Berlin wall with Ifor ap Glyn.GenresFactualHistoryBrandY Rhyfel Oer Source: BBC Online
