"Caister was a city when Norwich was none, And Norwich was built of Caister stone." Canute held possession of Norwich and had a castle there, but the present castle seems to date from the Norman Conquest, when it was granted to Ralph de Quader, who turned traitor to the king, causing Norfolk to be besieged, captured, and greatly injured. Then the castle was granted to Roger Bigod. The town grew, and became especially prosperous from the settlement there of numerous Flemish weavers in the fourteenth century and of Walloons in Elizabeth's reign. It managed to keep pretty well out of the Civil Wars, but a local historian says, "The inhabitants have been saved from stagnation by the exceeding bitterness with which all party and local political questions are discussed and contested, and by the hearty way in which all classes throw themselves into all really patriotic movements, when their party feeling occasionally sleeps for a month or two." Norwich is pre-eminently a town of churches, into the construction of which flint enters largely, it being dressed with great skill into small roughened cubical blocks. [Illustration: NORWICH CASTLE.] The great attraction of Norwich is the cathedral, which stands upon a low peninsula enclosed by a semicircular sweep of the river, much of the ground in this region having been originally a swamp. The cathedral is generally approached from its western side, where there is an open space in front of the Close called Tombland, upon which two gates open from it. These are St. Ethelbert's and the Erpingham gate. The latter, opposite the western front of the cathedral, is named for its builder, "old Sir Thomas Erpingham," whose "good white head," Shakespeare tells us, was to be seen on the field of Agincourt. The cathedral is a Norman structure, cruciform in plan, with an exceptionally long nave, an apsidal choir, and attached chapels. The earliest parts of it were begun in 1096, and when partially completed five years afterwards it was handed over to the care of the Benedictine monks. Thirty years later the nave was added, but the cathedral was not completed until about 1150. Twice it was seriously injured by fire, and it was not thoroughly restored for a century, when in 1278 it was again consecrated with great pomp, in the presence of Edward I. and his court, on Advent Sunday. The spire, which is one of its most conspicuous features, was added by Bishop Percy in the fourteenth century, though, having been seriously injured by lightning, it had to be replaced afterwards. At the same time the building was greatly altered, its roofs raised and vaulted, and repairs went on until 1536. Yet, with all the changes that were made in this famous cathedral, no other in England has managed to preserve its original plan so nearly undisturbed. [Illustration: NORWICH CATHEDRAL.] [Illustration: NORWICH CATHEDRAL--THE CHOIR, LOOKING EAST.]