Calleva Atrebatum

Calleva Atrebatum ("Calleva of the Atrebates") was originally an Iron Age settlement, capital of the Atrebates tribe, and subsequently a town in the Roman province of Britannia.[1] Its ruins lie to the west of, and partly beneath, the Church of St Mary the Virgin, Silchester, in the county of Hampshire. The church occupies a site just within the ancient walls of Calleva, although the village of Silchester itself now lies about a mile (1.6 km) to the west.

Calleva Atrebatum
Site plan of Calleva Atrebatum
Shown within Hampshire
Alternative nameSilchester Roman Town
LocationSilchester, Hampshire, England
RegionBritannia
Coordinates51°21′26″N 1°4′57″W
TypeSettlement
AreaApproximately 40 ha (99 acres)
History
BuilderAtrebates tribe
FoundedLate 1st century BC
Abandoned5th to 7th century AD
PeriodsIron Age to Roman Empire
Site notes
ManagementEnglish Heritage
WebsiteSilchester Roman City Walls and Amphitheatre
OS grid reference: SU639624

History
A map of major 2nd-century Roman roads, showing the importance of Calleva as a crossroads of routes leading west from Londinium (London)

Unusually for a tribal capital in Britain, the Iron Age town was situated on the same site as the later Roman town, although the layout was revised.

Iron Age

The Late Iron Age settlement at Silchester has been revealed by archaeology and coins of the British Q series to link Silchester with the seat of power of the Atrebates. Coins found stamped with "COMMIOS" show that Commius, king of the Atrebates, established his territory and mint here after moving from Gaul.[2][3] The oppidum was situated on the edge of a gravel plateau, underlying the subsequent Roman town. The Inner Earthwork, constructed c. 1 AD, enclosed an area of 32 hectares, and a more extensive series of defensive earthworks was built in the wider area.

Small areas of Late Iron Age occupation have been uncovered on the south side of the Inner Earthwork[4] and around the South Gate.[5] More detailed evidence for Late Iron Age occupation was excavated below the Forum-Basilica. Several roundhouses, wells and pits occupy a north-east - south-west alignment, dated to c. 25 BC - 15 BC. Subsequent occupation, dated to c. 15 BC - AD 40/50, consisted of metalled streets, rubbish pits and palisaded enclosures. Imported Gallo-Belgic finewares, amphorae and iron and copper-alloy brooches show that the settlement was "high status". Also distinctive evidence for food was identified, including oyster shell, a large briquetage assemblage and sherds from amphorae which would have contained olive oil, fish sauce and wine.[6]

Further areas of Late Iron Age occupation have been uncovered by the Insula IX 'Town Life' Project which has revealed a substantial boundary ditch c. 40 - 20 BC, a large rectangular hall c. 25 BC - AD 10 and the laying out of lanes and new property divisions c. AD 10 - 40/50.[7] Archaeobotanical studies have demonstrated the import and consumption of celery, coriander and olive in Insula IX prior to the Claudian Conquest.[8]

Roman

After the Roman conquest of Britain in 43 AD the settlement developed into the Roman town of Calleva Atrebatum.

Mosaic from Calleva Atrebatum

It was slightly larger, covering about 40 hectares (99 acres), and was laid out along a distinctive street grid pattern. The town contained a number of public buildings and flourished until the early Anglo-Saxon period.

A large mansio was situated in Insula VIII, near the South Gate, consisting of three wings arranged around a courtyard.[9] A possible nymphaeum was located near to the amphitheatre to the north of the walled city.[10]

Calleva was a major crossroads. The Devil's Highway connected it with the provincial capital Londinium (London). From Calleva, this road divided into routes to various other points west, including the road to Aquae Sulis (Bath); Ermin Way to Glevum (Gloucester); and the Port Way to Sorviodunum (Old Sarum near modern Salisbury).

The earthworks and, for much of the circumference, the ruined walls are still visible. The remains of the amphitheatre, added about AD 70-80 and situated outside the city walls, can also be clearly seen. The area inside the walls is now largely farmland with no visible distinguishing features, other than the enclosing earthworks and walls, with a tiny mediaeval church in one corner.[11][12]

In the southeast of the city were the "thermal baths". They belong to the earliest stone buildings of the city, which were perhaps built around 50 AD. The thermal baths are not aligned with the later city grid and the entrance area was rebuilt at a certain time to fit into the new road network. Several construction phases could be distinguished. At first they consisted of a portico, a palaestra and the bath rooms behind. The portico was later removed and the bathrooms divided in half, presumably so that men and women could bathe separately.

There is a spring that emanates from inside the walls, in the vicinity of the original baths, and which flows south-eastwards where it joins Silchester Brook. The Roman Calleva flourished (to nearly 10,000 inhabitants in the third/fourth century) around these springs that served the Roman baths recently excavated in summer 2019.[13]

Sub-Roman & Medieval

After the Roman withdrawal from Britain, Calleva Atrebatum remained inhabited, but its fortunes began to decline. Major buildings at the site were used c. 400-430, but evidence of occupation begins to sharply decline after AD 450. According to Daniel G. Russo the hypothesis that the city remained in use during the sixth century, thanks to its sturdy walls, is "attractive," but based largely on guesswork, as "there is no firm written or archaeological evidence that organized Romano-British urban life existed at Calleva beyond c. 450 at the latest."[14] This is in contrast to most other Roman towns in Britain, which continued to exist after the end of the Roman era; in fact, Calleva, is one of the six that did not survive the sub-Roman era, and disappeared in the Middle Ages.[15] (That said, the historian David Nash Ford identifies the site with the Cair Celemion of Nennius's list of the 28 cities of Sub-Roman Britain, which, if true, would mean that the site was at least partially extant during the Early Middle Ages.)[16] A hypothesis has emerged that the Saxons deliberately avoided Calleva after it was abandoned, preferring to maintain their existing centres at Winchester and Dorchester.[17] There was a gap of perhaps a century before the twin Saxon towns of Basing and Reading were founded on rivers either side of Calleva. As a consequence, Calleva has been subject to relatively benign neglect for most of the last two millennia.[18]

Culture

Diet

The study of plant remains from the across the city and especially Insula IX have shown that spelt wheat and barley were the most common cereals consumed. A wide range of fruits (apple, fig, grape), flavourings (celery, coriander, dill), and pulses (celtic bean, pea) were consumed.[19][20] Many houses had their own rotary querns for grinding flour.[21] Cattle, sheep/goat and pig were the major sources of meat.[22]

Religion

There is a range of evidence for religious practices in the town. A possible church was located to the south-east of the Forum in Insula IV. The apsidally-ended basilica building has a layout comparable to early churches in the western Roman empire, but the date is likely to be pre-Constantinian.[23][24] A Romano-Celtic temple was located in Insula XXXV, where an inscription shows a dedication by the guild of peregrini.[25] Three Romano-Celtic temples were located within Insula XXX, just inside the east gate. These temples were constructed in the mid first century AD and went out of use after c. AD 200.[26] A limestone head of Serapis was discovered in 1899 at Silchester Common.[27]

Death and burial

Late Iron Age cremation burials have been excavated at Latchmere Green[28] and Windabout Copse.[29] The Roman cemeteries are thought to have been located to the north and west of the Outer Earthwork, and have not been investigated.[30] A tombstone recovered in 1577 reads "To the memory of Flavia Victorina Titus Tammonius, Her husband set this up".[31]

Economy

Craft production

Various craft activities have been evidenced through excavations in Insula IX, including bone- and antler- working,[32] the working of copper-alloys,[33] and leather-working.[34] Imported whetstones were recycled into whetstones.[35]

Building material

Production taking place in the area around Silchester includes a complex of tile kilns at Little London, including two tiles stamped with the title of the Emperor Nero.[36]

Trade

A wide-range of objects were imported to Silchester from the Roman Empire, including an ivory razor handle, a handle from a Fusshenkelkruge and a Harpocrates figure from a Campanian brazier.[34][37] Imported ceramics include Central Gaulish samian produced in Lezoux, Dressel 2-4 and 14 amphora, Rhineland white ware mortaria, Moselkeramik black slipped ware and Cologne colour coated ware.[34]

Archaeology
Part of the city walls (2004)
Silchester Eagle
Excavations at Calleva (Insula IX)

Calleva Atrebatum was first excavated by the Rev. James Joyce who, in 1866, discovered the bronze eagle known as 'The Silchester Eagle' now in the Museum of Reading. It may originally have formed part of a Jupiter statue in the forum.

Calleva was partially excavated by the Society of Antiquaries of London between 1890 and 1909, and this excavation provided valuable information about civic life and daily life in the first centuries AD, as well as a map of the town. Whilst the excavation techniques of the time could deal with buildings with stone foundations, they were not capable of recovering timber construction that predominated in the 1st and 2nd centuries AD and which may have been destroyed.[38] The excavations included pioneering studies of plant remains including imported plant foods[39] and insects.[40]

Molly Cotton carried out excavations on the defences from 1938-39.[41] Since the 1970s Michael Fulford and the University of Reading have undertaken several excavations on the town walls (1974–80),[42] amphitheatre (1979–85)[43] and the forum basilica (1977, 1980–86),[44] which has revealed remarkably good preservation of items from both the Iron Age and early Roman occupations.

From 1997 to 2014[45][46] Reading University has made sustained and concentrated excavations in Insula IX. Results of the Late Roman,[47] Mid Roman[48] and Late Iron Age phases have been published.[49] In 2013, excavations began in Insula III, investigating a structure identified by the Victorian excavations as a bathhouse.[50] From 2018, the University of Reading has re-explored the previously excavated ruins of the public bathhouse looking at what earlier excavators may have missed.[51]

Silchester Amphitheatre Panorama 360 degrees (2016)

Access

Now primarily owned by Hampshire County Council and managed by English Heritage, the site of Calleva is open to the public during daylight hours, seven days a week and without charge.[52] The full circumference of the walls is accessible, as is the amphitheatre. The interior is farmed and, with the exception of the church and a single track that bisects the interior, inaccessible.[11]

The Museum of Reading in Reading Town Hall has a gallery devoted to Calleva, displaying many archaeological finds from the various excavations.[53]

References
  1. Silchester: http://www.reading.ac.uk/silchester/about-silchester/sil-about-silchester-calleva.aspx
  2. G, Boon (1957). Roman Silchester. London: Max Parrish and Co.
  3. Creighton, John (2006). Britannia: the Creation of a Roman Province. Cambridge: Cambridge. pp. 21–22.
  4. Boon, G. 1969. Belgic and Roman Silchester: excavations of 1954-8 with an excursus on the early history of Calleva. Archaeologia 102: 1-81.
  5. Fulford, M. 1984. Silchester: Excavations on the Defences 1974-80. London: Society for Antiquaries. Britannia Monograph Series No. 5
  6. Fulford, M. and Timby, J. 2000. Late Iron Age and Roman Silchester: Excavations on the Site of the Forum Basilica, 1977, 1980-86. London: Society for the Promotion of Roman Studies. Britannia monograph Series No. 15
  7. Fulford, M; Clarke, A; Pankhurst, N; Lucas, S (2013). Silchester Insula IX: the 'Town Life' Project 2012. Reading: Department of Archaeology, University of Reading.
  8. Lodwick, Lisa (1 September 2014). "Condiments before Claudius: new plant foods at the Late Iron Age oppidum at Silchester, UK". Vegetation History and Archaeobotany. 23 (5): 543–549. doi:10.1007/s00334-013-0407-1. ISSN 0939-6314.
  9. Boon, George (1957). Roman Silchester: The Archaeology of a Romano-British Town. London: Max Parrish.
  10. Fulford, Michael (June 2018). "The Silchester 'Nymphaeum'" (PDF). Britannia. 49: 7–11. doi:10.1017/S0068113X18000235. ISSN 0068-113X.
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  13. Calleva-Silchester bathouse
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  15. Archaeological Fieldwork and Opportunities Bulletin. Archaeological Institute of America. 2002. p. 63.
  16. Ford, David Nash (2000). "The Archaeology of Nennius' 28 British Cities". Britannia. Archived from the original on 27 January 2001. Retrieved 28 February 2020.
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Further reading
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