Bath city walls the Romans, to surround their town (known then as "Aquae Sulis"), probably in the 3rd century. The Anglo-Saxons by the 10th century had established Bath as a fortified "burh" (borough), utilising the existing town walls, and maintaining Bath as a centre of regional power. Bath, located on the northern edge of the kingdom of Wessex, would have guarded against any attack from neighbouring Mercia, which was held by the Danes for a time. The height of the walls was increased on the orders of King Stephen during The Anarchy. Bath's medieval walls included four gates. The North and South Gates
Aquae Albae in Byzacena Aquae Albae in Byzacena Aquae Albae in Byzacena (also typographed Aquæ Albæ in Byzacena) was an Ancient city and bishopric in Roman Africa and remains a Latin Catholic titular see. Its present location is Ain-Beida, in modern Tunisia (which has namesakes, notably in Algeria and Morocco). Aquae Albae was important enough in the Roman province of Byzacena to become one of the many suffragans of its capital Hadrumetum's Metropolitan Archbishop, but was to fade. The diocese was nominally restored in 1933 as a Latin Catholic titular bishopric. It has had the following incumbents, all of the lowest (episcopal) rank :