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Medieval In the history of Europe, the Middle Ages or medieval period lasted approximately from the late 5th to the late 15th centuries, similar to the post-classical period of global history. It began with the fall of the Western Roman Empire a ...
fortification refers to
medieval In the history of Europe, the Middle Ages or medieval period lasted approximately from the late 5th to the late 15th centuries, similar to the post-classical period of global history. It began with the fall of the Western Roman Empire a ...
military methods that cover the development of
fortification A fortification is a military construction or building designed for the defense of territories in warfare, and is also used to establish rule in a region during peacetime. The term is derived from Latin ''fortis'' ("strong") and ''facere ...
construction and use in
Europe Europe is a large peninsula conventionally considered a continent in its own right because of its great physical size and the weight of its history and traditions. Europe is also considered a Continent#Subcontinents, subcontinent of Eurasia ...
, roughly from the fall of the
Western Roman Empire The Western Roman Empire comprised the western provinces of the Roman Empire at any time during which they were administered by a separate independent Imperial court; in particular, this term is used in historiography to describe the period ...
to the
Renaissance The Renaissance ( , ) , from , with the same meanings. is a period in European history marking the transition from the Middle Ages to modernity and covering the 15th and 16th centuries, characterized by an effort to revive and surpass ide ...
. During this millennium, fortifications changed
warfare War is an intense armed conflict between states, governments, societies, or paramilitary groups such as mercenaries, insurgents, and militias. It is generally characterized by extreme violence, destruction, and mortality, using regu ...
, and in turn were modified to suit new
tactics Tactic(s) or Tactical may refer to: * Tactic (method), a conceptual action implemented as one or more specific tasks ** Military tactics, the disposition and maneuver of units on a particular sea or battlefield ** Chess tactics ** Political tact ...
,
weapon A weapon, arm or armament is any implement or device that can be used to deter, threaten, inflict physical damage, harm, or kill. Weapons are used to increase the efficacy and efficiency of activities such as hunting, crime, law enforcement, s ...
s and
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 ...
techniques.


Fortification types


Archer towers

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 ...
s of medieval
castle A castle is a type of fortified structure built during the Middle Ages predominantly by the nobility or royalty and by military orders. Scholars debate the scope of the word ''castle'', but usually consider it to be the private fortified r ...
s were usually made of stone, wood or a combination of both (with a stone base supporting a wooden loft). Often toward the later part of the era they included battlements and arrow loops. Arrow loops were vertical slits in the wall through which archers inside shot arrows at the attackers, but made it extremely difficult for attackers to get many arrows back through at the defenders.


City walls

An exact nature of the walls of a medieval town or city would depend on the resources available for building them, the nature of the terrain, and the perceived threat. In northern
Europe Europe is a large peninsula conventionally considered a continent in its own right because of its great physical size and the weight of its history and traditions. Europe is also considered a Continent#Subcontinents, subcontinent of Eurasia ...
, early in the period, walls were likely to have been constructed of wood and proofed against small forces. Especially where stone was readily available for building, the wood will have been replaced by stone to a higher or lower standard of security. This would have been the pattern of events in the
Five Boroughs 5 is a number, numeral, and glyph. 5, five or number 5 may also refer to: * AD 5, the fifth year of the AD era * 5 BC, the fifth year before the AD era Literature * ''5'' (visual novel), a 2008 visual novel by Ram * ''5'' (comics), an awa ...
of the
Danelaw The Danelaw (, also known as the Danelagh; ang, Dena lagu; da, Danelagen) was the part of England in which the laws of the Danes held sway and dominated those of the Anglo-Saxons. The Danelaw contrasts with the West Saxon law and the Mercian ...
in
England England is a country that is part of the United Kingdom. It shares land borders with Wales to its west and Scotland to its north. The Irish Sea lies northwest and the Celtic Sea to the southwest. It is separated from continental Europe ...
. In many cases, the wall would have had an internal and an external '' pomoerium''. This was a strip of clear ground immediately adjacent the wall. The word is from the late
medieval In the history of Europe, the Middle Ages or medieval period lasted approximately from the late 5th to the late 15th centuries, similar to the post-classical period of global history. It began with the fall of the Western Roman Empire a ...
, derived from the classical
Latin Latin (, or , ) is a classical language belonging to the Italic languages, Italic branch of the Indo-European languages. Latin was originally a dialect spoken in the lower Tiber area (then known as Latium) around present-day Rome, but through ...
''post murum'' ("behind the wall"). An external pomoerium, stripped of bushes and building, gave defenders a clear view of what was happening outside and an unobstructed field of shot. An internal pomoerium gave ready access to the rear of the curtain wall to facilitate movement of the
garrison A garrison (from the French ''garnison'', itself from the verb ''garnir'', "to equip") is any body of troops stationed in a particular location, originally to guard it. The term now often applies to certain facilities that constitute a mili ...
to a point of need. By the end of the sixteenth century, the word had developed further in common use, into ''pomery''. Also by that time, the medieval walls were no longer secure against a serious threat from an army, as they were not designed to be strong enough to resist cannon fire. They were sometimes rebuilt, as at Berwick on Tweed, or retained for use against thieves and other threats of a lower order. Very elaborate and complex schemes for town defences were developed in the
Netherlands ) , anthem = ( en, "William of Nassau") , image_map = , map_caption = , subdivision_type = Sovereign state , subdivision_name = Kingdom of the Netherlands , established_title = Before independence , established_date = Spanish Netherl ...
and
France France (), officially the French Republic ( ), is a country primarily located in Western Europe. It also comprises of Overseas France, overseas regions and territories in the Americas and the Atlantic Ocean, Atlantic, Pacific Ocean, Pac ...
, but these belong mainly to the post-medieval periods. By 1600, the medieval wall is likely to have been seen more as a platform for displaying hangings and the pomery as a gathering ground for spectators, or as a source of building stone and a site for its use, respectively. However, a few, such as those of
Carcassonne Carcassonne (, also , , ; ; la, Carcaso) is a French fortified city in the department of Aude, in the region of Occitanie. It is the prefecture of the department. Inhabited since the Neolithic, Carcassonne is located in the plain of the Aud ...
and
Dubrovnik Dubrovnik (), historically known as Ragusa (; see notes on naming), is a city on the Adriatic Sea in the region of Dalmatia, in the southeastern semi-exclave of Croatia. It is one of the most prominent tourist destinations in the Mediterranea ...
, survived fairly well and have been restored to a nearly complete state. Medieval walls that were no longer adequate for defending were succeeded by the
star fort A bastion fort or ''trace italienne'' (a phrase derived from non-standard French, literally meaning ''Italian outline'') is a fortification in a style that evolved during the early modern period of gunpowder when the cannon came to domin ...
. After the invention of the explosive shell, star forts became obsolete as well.


Harbours

Harbour A harbor (American English), harbour (British English; see spelling differences), or haven is a sheltered body of water where ships, boats, and barges can be docked. The term ''harbor'' is often used interchangeably with ''port'', which is ...
s or some sort of water access was often essential to the construction of medieval fortification. It was a direct route for trading and fortification. Having direct access to a body of water provided a route for resupply in times of war, an additional method of transportation in times of peace, and potential drinking water for a
besiege 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 characterize ...
d castle or fortification. The concept of rivers or harbours coming directly up to the walls of fortifications was especially used by the English as they constructed castles throughout
Wales Wales ( cy, Cymru ) is a country that is part of the United Kingdom. It is bordered by England to the east, the Irish Sea to the north and west, the Celtic Sea to the south west and the Bristol Channel to the south. It had a population in ...
. There is evidence that harbours were fortified, with wooden structures in the water creating a semi-circle around the harbour, or jetties, as seen in an artists reconstruction of Hedeby, in Denmark, with an opening for ships to access the land. Usually, these wooden structures would have small bases at either end, creating a 'watch' and defense platform.


Churches and monasteries

Religion Religion is usually defined as a social- cultural system of designated behaviors and practices, morals, beliefs, worldviews, texts, sanctified places, prophecies, ethics, or organizations, that generally relates humanity to supernatur ...
was a central part of the lives of medieval soldiers, and churches,
chapel A chapel is a Christian place of prayer and worship that is usually relatively small. The term has several meanings. Firstly, smaller spaces inside a church that have their own altar are often called chapels; the Lady chapel is a common type ...
s,
monasteries A monastery is a building or complex of buildings comprising the domestic quarters and workplaces of monastics, monks or nuns, whether living in communities or alone (hermits). A monastery generally includes a place reserved for prayer which ...
, and other buildings of religious function were often included within the walls of any fortification, be it temporary or permanent. A place to conduct religious services was usually essential to the morale of the soldiers.


Mottes and baileys

Motte-and-bailey was the prevalent form of castle during 11th and 12th centuries. A courtyard (called a bailey) was protected by a ditch and a palisade (strong timber fence). Often the entrance was protected by a lifting bridge, a
drawbridge A drawbridge or draw-bridge is a type of moveable bridge typically at the entrance to a castle or tower surrounded by a moat. In some forms of English, including American English, the word ''drawbridge'' commonly refers to all types of movea ...
or a timber gate tower. Inside the bailey were stables, workshops, and a chapel. The motte was the final refuge in this type of castle. It was a raised earth mound, and varied considerably, with these mounds being 3 metres to 30 metres in height (10 feet to 100 feet), and from in diameter. There was a tower on top of the motte. In most cases, the tower was made of timber, though some were also made of stones. Stone towers were found in natural mounds, as artificial ones were not strong enough to support stone towers. Larger mottes had towers with many rooms, including the great hall. Smaller ones had only a watch tower.


Construction

Construction could sometimes take decades. The string of Welsh castles
Edward I of England Edward I (17/18 June 1239 – 7 July 1307), also known as Edward Longshanks and the Hammer of the Scots, was King of England and Lord of Ireland from 1272 to 1307. Concurrently, he ruled the duchies of Aquitaine and Gascony as a va ...
had built were an exception in that he focused much of the resources of his kingdom on their speedy construction. In addition to paid workers, forced levies of labourers put thousands of men on each site and shortened construction to a few years.


Location

200px, Predjama Castle was built next to the cave Nature could provide very effective defenses for the castle. For this reason many castles were built on larger hills, cliffs, close to rivers, lakes or even caves.


Materials

Materials that were used in the building of castles varied through history. Wood was used for most castles until 1066. They were cheap and were quick to construct. The reason wood fell into disuse as a material is that it is quite flammable. Soon stone became more popular. Stone castles took years to construct depending on the overall size of the castle. Stone was stronger and of course much more expensive than wood. Most stone had to be quarried miles away, and then brought to the building site. But with the invention of the cannon and gunpowder, castles soon lost their power.


Costs

Costs for the walls depended on the material used. Wood would cost very little and was quick to build, but was weak. Stone was strong but very expensive and time-consuming to construct.


Manpower

Manpower in the medieval era in Europe consisted mainly of serfs.


Walls

The height of walls varied widely by castle, but were often thick. They were usually topped with
crenellation 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 interva ...
or
parapet A parapet is a barrier that is an extension of the wall at the edge of a roof, terrace, balcony, walkway or other structure. The word comes ultimately from the Italian ''parapetto'' (''parare'' 'to cover/defend' and ''petto'' 'chest/breast'). ...
s that offered protection to defenders. Some also featured
machicolation A machicolation (french: mâchicoulis) is a floor opening between the supporting corbels of a battlement, through which stones or other material, such as boiling water, hot sand, quicklime or boiling cooking oil, could be dropped on attackers at ...
s (from the French ''machicoulis'', approximately "neck-crusher") which consisted of openings between a wall and a parapet, formed by
corbel In architecture, a corbel is a structural piece of stone, wood or metal jutting from a wall to carry a superincumbent weight, a type of bracket. A corbel is a solid piece of material in the wall, whereas a console is a piece applied to the s ...
ling out the latter, allowing defenders to throw stones, boiling water, and so forth, upon assailants below. Some castles featured additional inner walls, as additional
fortification A fortification is a military construction or building designed for the defense of territories in warfare, and is also used to establish rule in a region during peacetime. The term is derived from Latin ''fortis'' ("strong") and ''facere ...
s from which to mount a defense if outer walls were breached.


Gates

Any entrance through a wall, being an opening, forms an obvious weak point. To be practical, the entryway would have to accommodate supplies being brought through, yet difficult for attackers to breach. For example, passage over ditches or moats would have to be withdrawn to deny attackers. The use of multiple walls or ditches around an entrance would also make it difficult for defenders to use the entrance practically, necessitating better methods of control. Gates came in many forms, from the simple stone buttress and timber blocks, to the massive and imposing stone archways and thick wooden doors most associated with medieval citadels.


Killing fields

A killing field was an area between the main wall and a secondary wall, so when the first wall was breached the attackers would run into the killing field to be confronted by another wall from which soldiers bombarded them. Soldiers would be positioned atop the second wall and armed with any variety of weapons, ranging from bows to crossbows to simple rocks.


Moats

A moat was a common addition to medieval fortifications, and the principal purpose was to simply increase the effective height of the walls and to prevent digging under the walls. In many instances, natural water paths were used as moats, and often extended through ditches to surround as much of the fortification as possible. Provided this was not so unnaturally contrived as to allow an attacker to drain the system, it served two defensive purposes. It made approaching the curtain wall of the castle more difficult and the undermining of the wall virtually impossible. To position a castle on a small island was very favorable from a defensive point of view, although it made deliveries of supplies and building materials more cumbersome and expensive.


Keeps

A keep is a strong central tower which normally forms the heart of a castle. Often the keep is the most defended area of a castle, and as such may form the main habitation area for a noble or lord, or contain important stores such as the armoury or the main well.


Stairs

Stairs were also constructed to contain trick or stumble steps. These were steps that had different rise height or tread depth from the rest and would cause anyone running up the stairs to stumble or fall, so slowing down the attackers' progress.


Doors

A typical exterior wooden
door A door is a hinged or otherwise movable barrier that allows ingress (entry) into and egress (exit) from an enclosure. The created opening in the wall is a ''doorway'' or ''portal''. A door's essential and primary purpose is to provide security b ...
might be made out of two or more layers of oak planks. The grain of the wood would run vertically on the front layer and horizontally on the back, like a simple form of
plywood Plywood is a material manufactured from thin layers or "plies" of wood veneer that are glued together with adjacent layers having their wood grain rotated up to 90 degrees to one another. It is an engineered wood from the family of manufactured ...
. The two layers would be held together by iron studs, and the structure might be strengthened and stiffened with iron bands. The studs themselves were pointed on the front so that attackers would damage their weapons (
sword A sword is an edged, bladed weapon intended for manual cutting or thrusting. Its blade, longer than a knife or dagger, is attached to a hilt and can be straight or curved. A thrusting sword tends to have a straighter blade with a pointed ti ...
s,
axe An axe ( sometimes ax in American English; see spelling differences) is an implement that has been used for millennia to shape, split and cut wood, to harvest timber, as a weapon, and as a ceremonial or heraldic symbol. The axe has ma ...
s, etc.) while trying to break through.


Transition to modern fortification

From the mid-15th century onwards, the power of cannons grew and medieval walls became obsolete as they were too thin to offer any realistic protection against prolonged
bomb A bomb is an explosive weapon that uses the exothermic reaction of an explosive material to provide an extremely sudden and violent release of energy. Detonations inflict damage principally through ground- and atmosphere-transmitted mechan ...
ardment. As a consequence of this, medieval walls were often upgraded with the addition of artillery platforms or bastions, and battlements were replaced by thick parapets with
embrasure An embrasure (or crenel or crenelle; sometimes called gunhole in the domain of gunpowder-era architecture) is the opening in a battlement between two raised solid portions (merlons). Alternatively, an embrasure can be a space hollowed out ...
s. In many cases, the medieval walls were dismantled and their stonework, which was still valuable as construction material, was reused in the construction of the new fortifications. The resulting space is often seen in old city centers of Europe even to this day, as broader streets often outline where the old wall once stood (evident for example in
Prague Prague ( ; cs, Praha ; german: Prag, ; la, Praga) is the capital and largest city in the Czech Republic, and the historical capital of Bohemia. On the Vltava river, Prague is home to about 1.3 million people. The city has a temperate ...
and
Florence, Italy Florence ( ; it, Firenze ) is a city in Central Italy and the capital city of the Tuscany region. It is the most populated city in Tuscany, with 383,083 inhabitants in 2016, and over 1,520,000 in its metropolitan area.Bilancio demografico a ...
). The transition between medieval and early modern fortification can be seen in the
fortifications of Rhodes The fortifications of the town of Rhodes are shaped like a defensive crescent around the medieval town and consist mostly of a fortification composed of a huge wall made of an embankment encased in stone, equipped with scarp, bastions, moat, cou ...
in Greece and the fortifications of Famagusta in Cyprus.


Defensive obstacles

Just as modern military
engineers Engineers, as practitioners of engineering, are professionals who invent, design, analyze, build and test machines, complex systems, structures, gadgets and materials to fulfill functional objectives and requirements while considering the li ...
enhance field fortifications with obstacles such as
barbed wire A close-up view of a barbed wire Roll of modern agricultural barbed wire Barbed wire, also known as barb wire, is a type of steel fencing wire constructed with sharp edges or points arranged at intervals along the strands. Its primary use is ...
, medieval engineers used a number of obstacle types including abatis,
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 ...
s,
cheval de frise The ''cheval de frise'' (plural: ''chevaux de frise'' , "Frisian horses") is a defensive obstacle, which existed in a number of forms and were employed in various applications. These included underwater constructions used to prevent the passa ...
, and
trou de loup In medieval fortification, a trou de loup (French for "wolf hole"; plural trous de loup, also commonly referred to as a tiger pit in the East) was a type of booby trap or defensive obstacle. Each trou de loup consisted of a conical pit about de ...
.


Siegecraft

*
Trebuchet A trebuchet (french: trébuchet) is a type of catapult that uses a long arm to throw a projectile. It was a common powerful siege engine until the advent of gunpowder. The design of a trebuchet allows it to launch projectiles of greater weight ...
*
Cannon A cannon is a large- caliber gun classified as a type of artillery, which usually launches a projectile using explosive chemical propellant. Gunpowder ("black powder") was the primary propellant before the invention of smokeless powder ...
*
Mangonel The mangonel, also called the traction trebuchet, was a type of trebuchet used in Ancient China starting from the Warring States period, and later across Eurasia by the 6th century AD. Unlike the later counterweight trebuchet, the mangonel o ...
*
Ballista The ballista (Latin, from Greek βαλλίστρα ''ballistra'' and that from βάλλω ''ballō'', "throw"), plural ballistae, sometimes called bolt thrower, was an ancient missile weapon that launched either bolts or stones at a distant ...
*
Catapult A catapult is a ballistic device used to launch a projectile a great distance without the aid of gunpowder or other propellants – particularly various types of ancient and medieval siege engines. A catapult uses the sudden release of stor ...


See also

*
Medieval warfare Medieval warfare is the warfare of the Middle Ages. Technological, cultural, and social advancements had forced a severe transformation in the character of warfare from antiquity, changing military tactics and the role of cavalry and artillery ( ...
*
Siege engine A siege engine is a device that is designed to break or circumvent heavy castle doors, thick city walls and other fortifications in siege warfare. Some are immobile, constructed in place to attack enemy fortifications from a distance, while oth ...
* Guédelon Castle - from 1996 to 2020 they will build a 13th-century castle exclusively using methods of that time. A lot of information regarding castrametation and castellology had already surfaced thanks to this project. *
Star fort A bastion fort or ''trace italienne'' (a phrase derived from non-standard French, literally meaning ''Italian outline'') is a fortification in a style that evolved during the early modern period of gunpowder when the cannon came to domin ...
replaced medieval fortifications. * Encastellation * Rocca di Manerba del Garda


References


Bibliography

*Toy, Sidney. (1985
''Castles: Their Construction and History''.
. {{DEFAULTSORT:Medieval Fortification
Fortification A fortification is a military construction or building designed for the defense of territories in warfare, and is also used to establish rule in a region during peacetime. The term is derived from Latin ''fortis'' ("strong") and ''facere ...
Fortification A fortification is a military construction or building designed for the defense of territories in warfare, and is also used to establish rule in a region during peacetime. The term is derived from Latin ''fortis'' ("strong") and ''facere ...