Everything about Deva Victrix totally explained
Deva Victrix, or simply
Deva, was a legionary
fortress and town in the
Roman province of
Britannia. The settlement evolved into
Chester, the
county town of
Cheshire,
England. The fortress was built by the
Legio II Adiutrix in the AD 70s as the Roman army advanced north against the
Brigantes. Several factors including the presence of an elliptical building unique in legionary fortresses, the method of construction, and the unusual size of the fortress – 20% larger than other Roman fortresses in Britain – suggests that it may have been intended as the base for a potential invasion of Ireland, and perhaps eventually to become the capital of Britain. The Cornovii were a tribe whose lands bordered the
Brigantes in the north and the
Ordovices in the west and included parts of what is now
Cheshire,
Shropshire, and north Wales. When the Romans' treaty with the Brigantes – the Celtic tribe occupying most of what is now
Northern England – failed, the Romans decided the best way to ensure long term peace was by military conquest. The campaigns were led first by
Sextus Julius Frontinus, and later by
Gnaeus Julius Agricola. Their expansion into the north of Britannia during the reign of
Vespasian meant that the Romans needed a new military base, close to the new frontiers. Chester was a strategic site for a fortress, commanding access to the sea via the
River Dee and dividing the Brigantes from the Ordovices.
Legio II Adiutrix was despatched to Chester and began the construction of a legionary fortress in the mid AD 70s. The river was navigable up to the sandstone ridge, so positioning the fortress beyond it would have made access to the harbour difficult. The fortress may have required as much as of water a day, supplied by fresh water piped in from natural springs in the suburb of
Boughton to the east. There may already have been military buildings on the site, but if so they were demolished to allow the construction of the fortress. The first buildings were built of wood, probably for convenience. Defence was provided by a wide
rampart and a ditch wide and deep. The rampart was made from turf laid over sand, clay, rubble, and layers of logs.
The fortress was in the traditional 'playing card' shape – rectangular with rounded corners – and had four gates: north, east, south and west. It covered, making it the largest constructed in Britain during the 70s. An estimated of timber was used in the first phase of the fortress' construction; buildings outside but associated with the fortress, such as the harbour and the amphitheatre, would have required an additional . The fortress contained barracks, granaries (
horrea), military headquarters (
principia), and baths. The barrack blocks were
wattle and daub buildings, each of which was long and wide.
The name Deva Victrix derives from 'goddess', and the Roman fortress was named after the goddess of the River Dee; the Latin for 'goddess' is
dea or
diva. There is an alternative source for the naming of the settlement which suggests that the Roman name for the fortress was adopted directly from the British name of the river. It is thought that the title 'victrix' in the name of the fortress was taken from the title of the Legio XX
Valeria Victrix who were based at Deva;
victrix is Latin for victorious. The name for the city of
Chester derives from the Latin word
castrum (plural:
castra), meaning "fort" or "army camp": "-chester" and "-caster" are common suffixes in the names of other English cities that began as Roman camps.
Under Legio XX Valeria Victrix
In 88 AD, the Emperor
Domitian ordered the
Legio II Adiutrix to the lower
Danube; the
Legio XX Valeria Victrix became the new garrison at Deva Victrix after abandoning the fort they were building in Scotland at
Inchtuthil. Once the Legio XX
Valeria Victrix were moved, they began to rebuild Deva, first in timber and from the end of the 1st century in stone. The new stone fortress walls were thick at the base and thick at the top. Located at regular intervals, approximately apart, along the walls were 22 towers about square. The defensive ditch was re-dug and was wide and deep. The timber barracks were replaced with stone buildings of a similar size.
During the 2nd century, at least part of the Legio XX
Valeria Victrix took part in the construction of
Hadrian's Wall, leading to some sections of the fortress being abandoned and others being allowed to fall into disrepair.
Following attacks against barbarians in the early 3rd century under
Septimus Severus, the fortress at Deva was again rebuilt, this time using an estimated of stone. Although both
Gildas and
Bede located the early 4th century Roman martyrs,
Julius and Aaron, in the 'City of the Legions', that's generally identified as
Isca Augusta (
Caerleon) rather than Deva. During the 4th century the size of the legion, and therefore of the garrison, may have diminished in line with the rest of the empire's forces.
Decline and abandonment
There were soldiers at Chester until at least 383 as demonstrated by coins from the imperial mints. Most of the fortress' major buildings were still being maintained in the second half of the 4th century and the barracks were still inhabited. The troops may have finally been removed from Chester when
Magnus Maximus invaded
Gaul in 383. The civilians probably continued to use the fortress and its defences as protection from raiders in the
Irish Sea. The town nevertheless probably remained the military and administrative centre of the region. Medieval chroniclers believed the church of Saint Peter and Saint Paul – later the site of
Chester Cathedral – to be of Roman origin, although no evidence has been discovered to support this. Much of the Roman masonry was stolen and reused in later periods.
In the 14th century
Ranulf Higdon, a monk in Chester, described some of the Roman remains, including the sewers and tombstones.
Antiquarians began to take interest in the remains in the 17th century and interest continued to grow in the 18th century, fed by accounts of Roman Chester and discoveries such as an altar to Jupiter Tanarus. In 1725,
William Stukeley recorded the Roman arches of the east gate; they were demolished in 1768. the
Grosvenor Museum was opened in 1886 to allow the public to view the collection of the society. The society continued to work in Chester, recording information on the fortress and its surrounding settlement, often as building works destroyed the sites. Between 1962 and 1999, about 50 excavations were carried out in and around the fortress, revealing new information about Deva Victrix. Between 2007 and 2009, excavations are in progress at the amphitheatre on behalf of Chester City Council, in association with
English Heritage.
Canabae legionis
A civilian settlement (
canabae legionis) was gradually established outside the walls of the fortress; it probably began as a collection of traders who became prosperous from dealing with the fortress. The settlement was administered by an elected council rather than by the legion. The
Grosvenor Museum has over 150 tombstones, the largest collection of Roman tombstones from a single site in Britain. Most of them were used to repair the north wall in the 4th century. shops fronted the roadside for about beyond the fortress walls. To the east was the legion's parade ground, civilian baths were built to the west, and to the south was a
mansio, a large coaching house for travelling government officials. The buildings of the
canabae legionis were originally timber, but during the early 2nd century began to be replaced by stone-built structures. The settlement expanded throughout the 2nd and 3rd centuries as the population increased. Once the legion had left, the civilian settlement continued, eventually becoming part of the town of Chester.
Legionary baths
Deva Victrix had a large legionary bath complex (
thermae) for the soldiers to maintain good hygiene and to use for leisure time. The baths were sited near the south gate and measured by . They were completed towards the end of
Vespasian's reign. The complex was constructed from concrete and faced with stone. The walls were thick and the barrel-vaulted buildings rose as high as .
The bath complex featured an entrance room (
vestibulum), an exercise hall (
basilica thermarum), a sweating room (
sudatorium), a cold room with a cold pool (
frigidarium), a warm room (
tepidarium), and a hot room with a hot plunge bath (
caldarium). An unsheltered exercise yard (
palaestra) also formed part of the complex.
The baths would have been in operation 24 hours a day, using an estimated of water each day. The water was supplied from the springs in
Boughton through underground lead pipes linked to the main aqueduct near the east gate. Such furnaces required several metric tons of wood each day. A section of hypocaust remains in situ and is on display in the cellar of 39 Bridge Street.
Legionary quarry
The Roman fortress of Deva was constructed from local sandstone, which was quarried across the river to the south of the fortress. perhaps by the quarry workers. Despite heavy weathering, the figure can be holding a spear and a shield with an owl above the left shoulder to symbolise wisdom. There is also a carving of an altar where offerings were left. Excavations have revealed traces of late
Iron Age cultivation, and they show that Deva's amphitheatre had two phases of construction. The first amphitheatre was constructed from timber soon after the building of the fortress and measured along the major axis and along the minor axis. That there's no evidence of repairs to the timber structure indicates that it was only intended to be temporary. It was replaced in the
Flavian period by another made from stone, measuring along its major axis and along its minor axis. Its size has been used as an indicator of Deva's large civilian population, and of the presence of wealthy citizens.
The amphitheatre served a variety of purposes. Owing to its proximity to the fortress, it would have been used as a venue for weapons training as well as hosting spectacular entertainments involving acrobats, wrestlers, and professional
gladiators. The buttresses were too insubstantial to be structural, so must have been decorative.
Part of a slate
frieze depicting a
retiarius, or net-fighter, was discovered in 1738, most likely dating to the 2nd century; it was probably used to decorate the tomb of a gladiator. Other finds included a small bronze statuette of a gladiator, and part of a
gladius sword handle.
Capital of Britannia?
In 1939, a strange elliptical building was partially uncovered behind Chester's market hall. No similar buildings have been found in other legionary fortresses. The building was located near the centre of the fortress and had its own bath buildings and a range of store rooms around the outside. The presence of a second bath building is unusual because legionary fortresses generally had just one set of internal baths. Although construction on the site began around the year 80, it was abandoned shortly afterwards, and the building wasn't completed until c. 230. The completed building was by with an oval courtyard with a fountain at its centre, by, and surrounded by 12 "wedge-shaped" rooms. Traces of the concrete foundation of the fountain and lead pipe work have been excavated. The 12 rooms surrounding the courtyard had large arched entrances, wide and at least high. It has been suggested that the oval courtyard represented the shape of the known Roman world, and that the surrounding rooms may have contained images of the 12 main
Roman gods, but there's no supporting evidence.
The elliptical building is one of several differences between the fortress at Chester and other Roman fortresses in the province. Deva was 20% larger,, than the fortresses of
Eboracum (
York – later capital of
Britannia Inferior – and
Isca Augusta (
Caerleon). Also, the stone
curtain wall at Chester was constructed without
mortar, using large sandstone blocks; this required greater skill and effort than the methods used to build the walls of Eboracum and Isca Augusta, and was usually reserved for the most important structures such as temples or city walls rather than town walls. The presence of unusual buildings at the heart of the fortress – accounting for the by which Deva was larger than other fortresses – has been taken as evidence that their construction was specifically ordered by the provincial governor. The governor when construction first started was
Gnaeus Julius Agricola. Lead piping found in the elliptical building bears his name, the only evidence in Britain of a building under his direct control. These differences suggest that Deva may have been Agricola’s administrative headquarters—in effect the capital of
Britannia.
Another factor pointing to Deva Victrix as a provincial capital is the presence of a port. From Deva, Ireland (
Hibernia) was also accessible, a land which Agricola had plans to conquer; he even launched an expedition to Ireland, though where from is unclear. Also, the
Flavian dynasty was expansionist, and Deva was closer to what would then have been the front, making administration quicker and easier.
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