Meibion Glyndŵr was the only group to have any claim to long-term success, although since the mid-1990s the group has been inactive, and Welsh nationalist violence has ceased, at least on an organisational level.
De todos xeitos, Meibion Glyndŵr ten sido o único grupo que tivo algunha posibilidade de éxito a longo prazo, malia que dende mediados dos noventa este grupo ten estado inactivo e a violencia nacionalista galesa ten cesado, polo menos a un nivel organizado.