<p>Merthyr Tydfil, seldom can a town of 55,000 people have had such a long and such a varied history. Named after the slaughter of Tudful, daughter of the Prince of Brycheiniog in a time before history was written, site of a Roman fort (at Penydarren, now under the football ground), site of a Norman castle (at Morlais), the epicentre of the...