In this region, a strike on the Taff Vale railway led to a ruling curbing the power of unions. A titular ruler of this place wears a badge depicting three white feathers. This region is west of an eight-foot-wide ditch built by Mercia, called Offa's Dyke. Henry V, who claimed he was born in this region, pardoned rebels from here led by Owen Glendower. It was annexed by Edward I after its king Llewelyn the Last died, and its symbols include a red 
In this region, a strike on the Taff Vale railway led to a ruling curbing the power of unions. A titular ruler of this place wears a badge depicting three white feathers. This region is west of an eight-foot-wide ditch built by Mercia, called Offa's Dyke. Henry V, who claimed he was born in this region, pardoned rebels from here led by Owen Glendower. It was annexed by Edward I after its king Llewelyn the Last died, and its symbols include a red dragon. For 10 points, name this country in Great Britain, whose titular "Prince" is traditionally the crown prince of the UK.
In this region, a strike on the Taff Vale railway led to a ruling curbing the power of unions.
Wales [or Cymru] 