A start was made on building the castle in about 1280.
A new castle was built in the second half of the 15th century.
Its castle was built in the middle of the next century.
The castle was built in the second part of the 14th century.
On the west side of the city, a castle was built against the wall.
The castle was built some time between 1150 and 1180.
The castle was built in the second half of the 12th century.
The castle was built around 1610 to 1618 at a cost of £10,000.
The first castle was built in the middle of the 12th century.
It is home to a castle, built in the 11th century.