Fodd bynnag, bu newidiadau sylweddol yng nghwricwlwm Cymru ers cyhoeddi canllawiau ACCAC ar ‘Ddatblygu’r Cwricwlwm Cymreig’ yn 2003.  Ar yr un pryd, bu twf sylweddol yn y diddordeb mewn hanes Cymru dros y ddegawd ddiwethaf.
However, there have been significant changes in the curriculum in Wales since the publication of ACCAC’s guidance on ‘Developing the Curriculum Cymreig’ in 2003. At the same time, there has been a significant growth in interest in the history of Wales over the last decade.