Calan Gaeaf sy'n cael sylw John Hardy ar yr ymweliad hwn â'r archif. John Hardy focuses on Halloween on this visit to the Radio Cymru archive. Show more
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Calan Gaeaf sy'n cael sylw John Hardy ar yr ymweliad hwn â'r archif. John Hardy focuses on Halloween on this visit to the Radio Cymru archive. Show more
Mae Radio Cymru wedi bod yn darlledu rhaglenni ers 1977. Radio Cymru has been broadcasting to the nation since 1977.
