Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Castles and Town Walls of King Edward in Gwynedd' has mentioned 'Fortifications' in the following places:
Occurrence Sentence Text Source
The fortifications were built by Edward I after his invasion of North Wales in 1282.
Building work on all the fortifications had ceased by 1330, without Caernarfon and Beaumaris having been fully completed.
The fortifications played an important part in the conflicts in North Wales over the coming centuries.
In 1986 the sites were collectively declared to be a World Heritage Site, as outstanding examples of fortifications and military architecture built in the 13th century, and are now operated as tourist attractions by the Welsh heritage agency Cadw.
[6] He had seen numerous European fortifications, including the planned walled town and castle design at Aigues-Mortes.
[18] The English had built castles in the wake of the 1272 conflict, usually larger and more expensive than those of the local Welsh rulers, but the new fortifications were on a still grander scale.
Edwards's fortifications were tested in 1294 when Madog ap Llywelyn rebelled against English rule, the first major insurrection since the conquest.
The fortifications in North Wales were held by supporters of the king and in some cases became strategically important as part of the communications route between royal forces operating in England and supplies and reinforcements in Ireland.
[36] The fortifications were in some regards simply too big, and as historian Michael Prestwich notes, smaller projects might actually have been more effective.
Architectural research in the late 20th and early 21st centuries focused less on the military aspects of the fortifications, however, and more on their roles as luxurious palaces and symbols of royal power.