Cwestiynau mawr am Gymru, y Cymry a Chymreictod gyda Heddyr Gregory yn sedd John Walter. Heddyr Gregory sits with big questions about Wales, the Welsh and Welshness.
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Cwestiynau mawr am Gymru, y Cymry a Chymreictod gyda Heddyr Gregory yn sedd John Walter. Heddyr Gregory sits with big questions about Wales, the Welsh and Welshness.
Mae Radio Cymru wedi bod yn darlledu rhaglenni ers 1977. Radio Cymru has been broadcasting to the nation since 1977.
