A castle was established here in the early 12th century, although the extant tower house dates from the late 14th century at the earliest.
The castle was established during Norman times in 1120 but much of the architecture remaining today is dated to 1290.
A castle to protect the newly founded settlement was established in about 1247.
The substantial and well preserved castle and church were established by the invading Normans in 1106.
The city's castle, however, may have been established by the Alans, or maybe the Visigoths.
This important borderline castle was established at the beginning of the 14th century.
All three castles had been established by John I and were probably destroyed during the 14th century.
The castle was established from a primitive medieval edifice which, at this location, closed the valley of the Célé.
Chronicle also mentions that a castle called "taffwesta borg" was established after the war.
During David's reign the castle was established at the top of what is now Lady Hill.