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Etholiad 2015
Gwybodaeth am Etholiad Cyffredinol 2015, gan gynnwys canlyniadau a dadansoddi.
↗ https://www.bbc.co.uk/cymrufyw/etholiad/2015Gwybodaeth am Etholiad Cyffredinol 2015, gan gynnwys canlyniadau a dadansoddi.
↗ https://www.bbc.co.uk/cymrufyw/etholiad/2015