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Vallum is either the whole or a portion of the fortifications of a Roman camp. The vallum usually comprised an earthen or turf
rampart Rampart may refer to: * Rampart (fortification), a defensive wall or bank around a castle, fort or settlement Rampart may also refer to: * "O'er the Ramparts We Watched" is a key line from " The Star-Spangled Banner", the national anthem of the ...
(
Agger Agger may refer to: * Agger (surname) * Agger (ancient Rome), a type of ancient Roman rampart or embankment * Agger (river), a river in North Rhine-Westphalia, Germany * Agger nasi, an anatomical feature of the nose * Agger Rockshelter, in Wisconsi ...
) with a wooden
palisade A palisade, sometimes called a stakewall or a paling, is typically a fence or defensive wall made from iron or wooden stakes, or tree trunks, and used as a defensive structure or enclosure. Palisades can form a stockade. Etymology ''Palisade ...
on top, with a deep outer ditch (fossa). The name is derived from '' vallus'' (a stake), and properly means the palisade which ran along the outer edge of the top of the agger, but is usually used to refer to the whole fortification.


Characteristics

The stake-like valli (χάρακες) of which the vallum palisade was composed are described by
Polybius Polybius (; grc-gre, Πολύβιος, ; ) was a Greek historian of the Hellenistic period. He is noted for his work , which covered the period of 264–146 BC and the Punic Wars in detail. Polybius is important for his analysis of the mixed ...
(xviii.18.1, Excerpt. Antiq. xvii.14) and
Livy Titus Livius (; 59 BC – AD 17), known in English as Livy ( ), was a Roman historian. He wrote a monumental history of Rome and the Roman people, titled , covering the period from the earliest legends of Rome before the traditional founding in ...
(Liv. xxxiii.5), who make a comparison between the vallum of the
Greeks The Greeks or Hellenes (; el, Έλληνες, ''Éllines'' ) are an ethnic group and nation indigenous to the Eastern Mediterranean and the Black Sea regions, namely Greece, Cyprus, Albania, Italy, Turkey, Egypt, and, to a lesser extent, ot ...
and that of the Romans, very much to the advantage of the latter. Both used for valli young trees or arms of larger trees, with the side
branch A branch, sometimes called a ramus in botany, is a woody structural member connected to the central trunk of a tree (or sometimes a shrub). Large branches are known as boughs and small branches are known as twigs. The term '' twig'' usuall ...
es on them; but the valli of the Greeks were much larger and had more branches than those of the Romans, which had either two or three, or at the most four branches, and these generally on the same side. The Greeks placed their valli in the agger at considerable intervals, the spaces between them being filled up by the branches; the Romans fixed theirs close together, and made the branches interlace, and sharpened their points carefully. Hence the Greek vallus could easily be taken hold of by its large branches and pulled from its place, and when it was removed a large opening was left in the vallum. The Roman vallus, on the contrary, presented no convenient handle, required very great force to pull it down, and even if removed left a very small opening. The Greek valli were cut on the spot; the Romans prepared theirs beforehand.(Polyb. l.c.; Virg. Georg. iii.346, 347; Cic. Tusc. ii.16). They were made of any strong wood, but oak was preferred. While on the march, each soldier carried three or four strong wooden stakes each at least 1.5 m (5 ft) long and pointed at both ends. A number of these have been found in excavations, sufficiently well-preserved to show that they were "waisted", that is narrowed at the centre. It is clear that these could not have been used on their own to form the palisade of the vallum constructed around a temporary marching camp; they would have had gaps between wide enough for an attacker to pass through with ease. One suggestion is that the "waist" facilitated them being tied together loosely in threes to form a kind of
caltrop A caltrop (also known as caltrap, galtrop, cheval trap, galthrap, galtrap, calthrop, jackrock or crow's foot''Battle of Alesia'' (Caesar's conquest of Gaul in 52 BC), Battlefield Detectives program, (2006), rebroadcast: 2008-09-08 on History Cha ...
or
Czech hedgehog The Czech hedgehog ( cs, rozsocháč or ') is a static anti-tank obstacle defense made of metal angle beams or I-beams (that is, lengths with an L- or Ɪ-shaped cross section). The hedgehog is very effective in keeping light to medium tanks and ...
that could be placed on the rampart (agger) of the vallum. It is likely that these would be augmented with whatever was to hand, such as tree branches or thorn bushes.


Usage

In the operations of a
siege A siege is a military blockade of a city, or fortress, with the intent of conquering by attrition, or a well-prepared assault. This derives from la, sedere, lit=to sit. Siege warfare is a form of constant, low-intensity conflict characteriz ...
, when the place could not be taken by storm, and it became necessary to establish a
blockade A blockade is the act of actively preventing a country or region from receiving or sending out food, supplies, weapons, or communications, and sometimes people, by military force. A blockade differs from an embargo or sanction, which are leg ...
, this was done by drawing defences similar to those of a
camp Camp may refer to: Outdoor accommodation and recreation * Campsite or campground, a recreational outdoor sleeping and eating site * a temporary settlement for nomads * Camp, a term used in New England, Northern Ontario and New Brunswick to descri ...
around the
town A town is a human settlement. Towns are generally larger than villages and smaller than cities, though the criteria to distinguish between them vary considerably in different parts of the world. Origin and use The word "town" shares an o ...
, which was then said to be circumvallatum. Such a circumvallation, besides cutting off all
communication Communication (from la, communicare, meaning "to share" or "to be in relation with") is usually defined as the transmission of information. The term may also refer to the message communicated through such transmissions or the field of inqui ...
between the town and the surrounding country, formed a defence against the sallies of the besieged. There was often a double line of fortifications, the inner against the town, and the outer against a force that might attempt to raise the siege. In this case the
army An army (from Old French ''armee'', itself derived from the Latin verb ''armāre'', meaning "to arm", and related to the Latin noun ''arma'', meaning "arms" or "weapons"), ground force or land force is a fighting force that fights primarily on ...
was encamped between the two lines of works.


Construction

This kind of circumvallation, which the Greeks called ἀποτειχισμός and περιτειχισμός, was employed by the Peloponnesians in the
siege of Plataea The siege of Plataea took place in 429–427 BC, during the Peloponnesian War. At the beginning of the conflict, the Thebans attacked the city of Plataea, an Athenian ally on the border between Boeotia and Attica. The initial Theban attempt to capt ...
( Thucyd. ii.78, iii.20‑23). Their lines consisted of two walls (apparently of
turf Sod, also known as turf, is the upper layer of soil with the grass growing on it that is often harvested into rolls. In Australian and British English, sod is more commonly known as ''turf'', and the word "sod" is limited mainly to agricult ...
) at the distance of 16 feet, which surrounded the city in the form of a circle. Between the walls were the huts of the besiegers. The walls had
battlement A battlement in defensive architecture, such as that of city walls or castles, comprises a parapet (i.e., a defensive low wall between chest-height and head-height), in which gaps or indentations, which are often rectangular, occur at interv ...
s (ἐπάλξεις), and at every ten battlements was a
tower A tower is a tall structure, taller than it is wide, often by a significant factor. Towers are distinguished from masts by their lack of guy-wires and are therefore, along with tall buildings, self-supporting structures. Towers are specific ...
, filling up by its depth the whole space between the walls. There was a passage for the besiegers through the middle of each tower. On the outside of each wall was a
ditch A ditch is a small to moderate divot created to channel water. A ditch can be used for drainage, to drain water from low-lying areas, alongside roadways or fields, or to channel water from a more distant source for plant irrigation. Ditches ar ...
(τάφρος). This description would almost exactly answer for the Roman mode of circumvallation, of which some of the best examples are that of
Carthage Carthage was the capital city of Ancient Carthage, on the eastern side of the Lake of Tunis in what is now Tunisia. Carthage was one of the most important trading hubs of the Ancient Mediterranean and one of the most affluent cities of the classi ...
in modern-day Tunisia by Scipio (
Appian Appian of Alexandria (; grc-gre, Ἀππιανὸς Ἀλεξανδρεύς ''Appianòs Alexandreús''; la, Appianus Alexandrinus; ) was a Greek historian with Roman citizenship who flourished during the reigns of Emperors of Rome Trajan, Ha ...
, Punic. 119, &c.), that of
Numantia Numantia ( es, Numancia) is an ancient Celtiberian settlement, whose remains are located on a hill known as Cerro de la Muela in the current municipality of Garray ( Soria), Spain. Numantia is famous for its role in the Celtiberian Wars. In ...
in modern-day Spain by Scipio (Appian, Hispan. 90), and that of Alesia in modern-day France by
Caesar Gaius Julius Caesar (; ; 12 July 100 BC – 15 March 44 BC), was a Roman general and statesman. A member of the First Triumvirate, Caesar led the Roman armies in the Gallic Wars before defeating his political rival Pompey in a civil war, an ...
(Bell. Gall. vii.72, 73). The towers in such lines were similar to those used in attacking fortified places, but not so high, and of course not moveable. (Lipsius, de Milit. Rom. v.5, in Oper. iii. pp156, 157; Poliorc. ii.1, in Oper. iii.283). The vallum-building technique was later taken by neighbouring people, such as the Byzantines and the
Goths The Goths ( got, 𐌲𐌿𐍄𐌸𐌹𐌿𐌳𐌰, translit=''Gutþiuda''; la, Gothi, grc-gre, Γότθοι, Gótthoi) were a Germanic people who played a major role in the fall of the Western Roman Empire and the emergence of medieval Euro ...
.


Examples

Examples of valla include: *"The Vallum", a component of
Hadrian's Wall Hadrian's Wall ( la, Vallum Aelium), also known as the Roman Wall, Picts' Wall, or ''Vallum Hadriani'' in Latin, is a former defensive fortification of the Roman province of Britannia, begun in AD 122 in the reign of the Emperor Hadrian. Ru ...
(England, Roman) * Trajan's Wall (Romania, Byzantine Age) *
Athanaric's Wall Athanaric's Wall, also called Lower Trajan's Wall or Southern Trajan's Wall, was a fortification line probably erected by Athanaric (the king of the Thervingi), between the banks of river Gerasius (modern Prut) and the Danube to the land of Taifa ...
(Romania, Moldova, 2-4th century, probably made by the Goths)


Etymology

# Latin ''vallus'' derives from
Proto-Indo-European Proto-Indo-European (PIE) is the reconstructed common ancestor of the Indo-European language family. Its proposed features have been derived by linguistic reconstruction from documented Indo-European languages. No direct record of Proto-Indo ...
''*walso-'', " a post". ''Vallus'' is the source of English ''
wall A wall is a structure and a surface that defines an area; carries a load; provides security, shelter, or soundproofing; or, is decorative. There are many kinds of walls, including: * Walls in buildings that form a fundamental part of the s ...
.'' The word vallus is sometimes used as equivalent to vallum (Caesar, Bell. Civ. iii.63).


References


"A Dictionary of Greek and Roman Antiquities"
William Smith, LLD. William Wayte. G. E. Marindin.
Albemarle Street Albemarle Street is a street in Mayfair in central London, off Piccadilly. It has historic associations with Lord Byron, whose publisher John Murray was based here, and Oscar Wilde, a member of the Albemarle Club, where an insult he received ...
, London: John Murray, 1890. {{Fortifications Roman vallum