A barbican (from Old French : barbacane ) is a fortified outpost or fortified gateway , such as at an outer defense perimeter of a city or castle, or any tower situated over a gate or bridge which was used for defensive purposes.
128-470: In the Middle Ages, barbicans were typically situated outside, or at the edge of, the main line of defenses, and were connected to the city walls with a walled road called the neck . They would thus defend the entrance to the city or castle at the "choke point". In the 15th century, with the improvement in siege tactics and artillery , barbicans lost their significance. Barbicans were built well into
256-545: A Qing incursion in 1638. By 1641, there were ten bastion forts in the county. Before bastion forts could spread any further, the Ming dynasty fell in 1644, and they were largely forgotten as the Qing dynasty was on the offensive most of the time and had no use for them. In the wake of city growth and the ensuing change of defensive strategy, focusing more on the defense of forts around cities, many city walls were demolished. Also,
384-606: A drawbridge , although these were often replaced by stone bridges. The site of the 13th-century Caerphilly Castle in Wales covers over 30 acres (12 ha) and the water defences, created by flooding the valley to the south of the castle, are some of the largest in Western Europe. Battlements were most often found surmounting curtain walls and the tops of gatehouses, and comprised several elements: crenellations , hoardings , machicolations , and loopholes . Crenellation
512-471: A Roman fort or Byzantine tetrapyrgia which were square in plan and had square towers at each corner that did not project much beyond the curtain wall. The keep of these Crusader castles would have had a square plan and generally be undecorated. While castles were used to hold a site and control movement of armies, in the Holy Land some key strategic positions were left unfortified. Castle architecture in
640-462: A barbican was not just to provide another line of defence but also to dictate the only approach to the gate. A moat was a ditch surrounding a castle – or dividing one part of a castle from another – and could be either dry or filled with water. Its purpose often had a defensive purpose, preventing siege towers from reaching walls making mining harder, but could also be ornamental. Water moats were found in low-lying areas and were usually crossed by
768-509: A bit more than a third the width of a major wall in China. According to Philo the width of a wall had to be 4.5 metres (15 ft) thick to be able to withstand ancient (non-gunpowder) siege engines. European walls of the 1200s and 1300s could reach the Roman equivalents but rarely exceeded them in length, width, and height, remaining around 2 metres (6 ft 7 in) thick. When referring to
896-438: A central keep . In the late 12th and early 13th centuries, a scientific approach to castle defence emerged. This led to the proliferation of towers, with an emphasis on flanking fire . Many new castles were polygonal or relied on concentric defence – several stages of defence within each other that could all function at the same time to maximise the castle's firepower. These changes in defence have been attributed to
1024-574: A common origin, dealt with a particular mode of warfare, and exchanged influences. In different areas of the world, analogous structures shared features of fortification and other defining characteristics associated with the concept of a castle, though they originated in different periods and circumstances and experienced differing evolutions and influences. For example, shiro in Japan, described as castles by historian Stephen Turnbull , underwent "a completely different developmental history, were built in
1152-480: A completely different way and were designed to withstand attacks of a completely different nature". While European castles built from the late 12th and early 13th century onwards were generally stone, shiro were predominantly timber buildings into the 16th century. By the 16th century, when Japanese and European cultures met, fortification in Europe had moved beyond castles and relied on innovations such as
1280-648: A confined space and unable to retaliate. It is a popular myth that murder holes – openings in the ceiling of the gateway passage – were used to pour boiling oil or molten lead on attackers; the price of oil and lead and the distance of the gatehouse from fires meant that this was impractical. This method was, however, a common practice in Middle Eastern and Mediterranean castles and fortifications, where such resources were abundant. They were most likely used to drop objects on attackers, or to allow water to be poured on fires to extinguish them. Provision
1408-490: A cost benefit hypothesis, where the Ming recognized the highly resistant nature of their walls to structural damage, and could not imagine any affordable development of the guns available to them at the time to be capable of breaching said walls. Even as late as the 1490s a Florentine diplomat considered the French claim that "their artillery is capable of creating a breach in a wall of eight feet in thickness" to be ridiculous and
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#17327658141111536-413: A fortification such as a city wall . The great hall was a large, decorated room where a lord received his guests. The hall represented the prestige, authority, and richness of the lord. Events such as feasts, banquets, social or ceremonial gatherings, meetings of the military council, and judicial trials were held in the great hall. Sometimes the great hall existed as a separate building, in that case, it
1664-454: A ground rampart . The city was fortified with six city gates with each gate flanked by massive brick towers. In other areas of Southeast Asia, city walls spread in the 16th and 17th century along with the rapid growth of cities in this period as a need to defend against European naval attack. Ayutthaya built its walls in 1550 and Banten , Jepara , Tuban and Surabaya all had theirs by 1600; while Makassar had theirs by 1634. A sea wall
1792-609: A long time in a constant state of alert"; elsewhere the lord's wife presided over a separate residence ( domus , aula or mansio in Latin) close to the keep, and the donjon was a barracks and headquarters. Gradually, the two functions merged into the same building, and the highest residential storeys had large windows; as a result for many structures, it is difficult to find an appropriate term. The massive internal spaces seen in many surviving donjons can be misleading; they would have been divided into several rooms by light partitions, as in
1920-435: A lord's home or hall was fire as it was usually a wooden structure. To protect against this, and keep other threats at bay, there were several courses of action available: create encircling earthworks to keep an enemy at a distance; build the hall in stone; or raise it up on an artificial mound, known as a motte, to present an obstacle to attackers. While the concept of ditches , ramparts , and stone walls as defensive measures
2048-542: A massive scale, utilising stone, wood, iron and earth in their construction. The Romans encountered fortified settlements such as hill forts and oppida when expanding their territory into northern Europe. Their defences were often effective, and were only overcome by the extensive use of siege engines and other siege warfare techniques, such as at the Battle of Alesia . The Romans' own fortifications ( castra ) varied from simple temporary earthworks thrown up by armies on
2176-743: A maximum thickness of 43 metres and an average thickness of 20–30 metres. Ming prefectural and provincial capital walls were 10 to 20 metres (33 to 66 ft) thick at the base and 5 to 10 metres (16 to 33 ft) at the top. In Europe the height of wall construction was reached under the Roman Empire , whose walls often reached 10 metres (33 ft) in height, the same as many Chinese city walls, but were only 1.5 to 2.5 metres (4 ft 11 in to 8 ft 2 in) thick. Rome's Servian Walls reached 3.6 and 4 metres (12 and 13 ft) in thickness and 6 to 10 metres (20 to 33 ft) in height. Other fortifications also reached these specifications across
2304-494: A mixture of castle technology from the Crusades , such as concentric fortification , and inspiration from earlier defences, such as Roman forts . Not all the elements of castle architecture were military in nature, so that devices such as moats evolved from their original purpose of defence into symbols of power. Some grand castles had long winding approaches intended to impress and dominate their landscape. Although gunpowder
2432-642: A modern office building. Even in some large castles the great hall was separated only by a partition from the lord's chamber, his bedroom and to some extent his office. Curtain walls were defensive walls enclosing a bailey. They had to be high enough to make scaling the walls with ladders difficult and thick enough to withstand bombardment from siege engines which, from the 15th century onwards, included gunpowder artillery . A typical wall could be 3 m (10 ft) thick and 12 m (39 ft) tall, although sizes varied greatly between castles. To protect them from undermining , curtain walls were sometimes given
2560-539: A number of words in other languages also derive from castellum . The word castle was introduced into English shortly before the Norman Conquest of 1066 to denote this type of building, which was then new to England. In its simplest terms, the definition of a castle accepted amongst academics is "a private fortified residence". This contrasts with earlier fortifications, such as Anglo-Saxon burhs and walled cities such as Constantinople and Antioch in
2688-423: A purely military and defensive purpose, towers also played a representative and artistic role in the conception of a fortified complex. The architecture of the city thus competed with that of the castle of the noblemen and city walls were often a manifestation of the pride of a particular city. Urban areas outside the city walls, so-called Vorstädte , were often enclosed by their own set of walls and integrated into
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#17327658141112816-498: A range of purposes, the most important of which were military, administrative, and domestic. As well as defensive structures, castles were also offensive tools which could be used as a base of operations in enemy territory. Castles were established by Norman invaders of England for both defensive purposes and to pacify the country's inhabitants. As William the Conqueror advanced through England, he fortified key positions to secure
2944-422: A response to gunpowder artillery, European fortifications began displaying architectural principles such as lower and thicker walls in the mid-1400s. Cannon towers were built with artillery rooms where cannons could discharge fire from slits in the walls. However, this proved problematic as the slow rate of fire, reverberating concussions, and noxious fumes produced greatly hindered defenders. Gun towers also limited
3072-627: A result there were 4,000 in the country. There are very few castles dated with certainty from the mid-9th century. Converted into a donjon around 950, Château de Doué-la-Fontaine in France is the oldest standing castle in Europe . From 1000 onwards, references to castles in texts such as charters increased greatly. Historians have interpreted this as evidence of a sudden increase in the number of castles in Europe around this time; this has been supported by archaeological investigation which has dated
3200-476: A scientific design. An example of this approach is Kerak . Although there were no scientific elements to its design, it was almost impregnable, and in 1187 Saladin chose to lay siege to the castle and starve out its garrison rather than risk an assault. During the late 11th and 12th centuries in what is now south-central Turkey the Hospitallers , Teutonic Knights and Templars established themselves in
3328-556: A single "embassy district", enclosed by a fortified complex with walls and towers – this usually occurs in regions where the embassies run a high risk of being target of attacks. An early example of such a compound was the Legation Quarter in Beijing in the late 19th and early 20th centuries. Most of these modern city walls are made of steel and concrete. Vertical concrete plates are put together so as to allow
3456-420: A stone skirt around their bases. Walkways along the tops of the curtain walls allowed defenders to rain missiles on enemies below, and battlements gave them further protection. Curtain walls were studded with towers to allow enfilading fire along the wall. Arrowslits in the walls did not become common in Europe until the 13th century, for fear that they might compromise the wall's strength. The entrance
3584-497: A stronghold and prison but was also a place where a knight or lord could entertain his peers. Over time the aesthetics of the design became more important, as the castle's appearance and size began to reflect the prestige and power of its occupant. Comfortable homes were often fashioned within their fortified walls. Although castles still provided protection from low levels of violence in later periods, eventually they were succeeded by country houses as high-status residences. Castle
3712-477: A very thick wall in medieval Europe, what is usually meant is a wall of 2.5 metres (8 ft 2 in) in width, which would have been considered thin in a Chinese context. There are some exceptions such as the Hillfort of Otzenhausen , a Celtic ringfort with a thickness of 40 metres (130 ft) in some parts, but Celtic fort-building practices died out in the early medieval period. Andrade goes on to note that
3840-424: A wall with openings that allowed objects to be dropped on an enemy at the base of the wall in a similar fashion to hoardings. Arrowslits , also commonly called loopholes, were narrow vertical openings in defensive walls which allowed arrows or crossbow bolts to be fired on attackers. The narrow slits were intended to protect the defender by providing a very small target, but the size of the opening could also impede
3968-400: A wooden door. This led to the elevation of windows to the second storey – to make it harder to throw objects in – and to move the entrance from ground level to the second storey. These features are seen in many surviving castle keeps, which were the more sophisticated version of halls. Castles were not just defensive sites but also enhanced a lord's control over his lands. They allowed
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4096-543: Is a corrupted form of "donjon" and means a dark, unwelcoming prison. Although often the strongest part of a castle and a last place of refuge if the outer defences fell, the keep was not left empty in case of attack but was used as a residence by the lord who owned the castle, or his guests or representatives. At first, this was usual only in England, when after the Norman Conquest of 1066 the "conquerors lived for
4224-462: Is a type of fortified structure built during the Middle Ages predominantly by the nobility or royalty and by military orders . Scholars usually consider a castle to be the private fortified residence of a lord or noble. This is distinct from a mansion , palace , and villa , whose main purpose was exclusively for pleasance and are not primarily fortresses but may be fortified. Use of
4352-433: Is ancient, raising a motte is a medieval innovation. A bank and ditch enclosure was a simple form of defence, and when found without an associated motte is called a ringwork; when the site was in use for a prolonged period, it was sometimes replaced by a more complex structure or enhanced by the addition of a stone curtain wall. Building the hall in stone did not necessarily make it immune to fire as it still had windows and
4480-481: Is of Solnitsata , built in the 6th or 5th millennium BC. The Assyrians deployed large labour forces to build new palaces, temples and defensive walls. Babylon was one of the most famous cities of the ancient world, especially as a result of the building program of Nebuchadnezzar , who expanded the walls and built the Ishtar Gate . The Persians built defensive walls to protect their territories, notably
4608-527: Is sometimes used as a catch-all term for all kinds of fortifications , and as a result has been misapplied in the technical sense. An example of this is Maiden Castle which, despite the name, is an Iron Age hill fort which had a very different origin and purpose. Although castle has not become a generic term for a manor house (like château in French and Schloss in German), many manor houses contain castle in their name while having few if any of
4736-754: Is the Romanian Bran Castle , which was intended to protect nearby Kronstadt (today's Braşov ). The city walls were often connected to the fortifications of hill castles via additional walls. Thus the defenses were made up of city and castle fortifications taken together. Several examples of this are preserved, for example in Germany Hirschhorn on the Neckar, Königsberg and Pappenheim , Franken, Burghausen in Oberbayern and many more. A few castles were more directly incorporated into
4864-407: Is the collective name for alternating crenels and merlons : gaps and solid blocks on top of a wall. Hoardings were wooden constructs that projected beyond the wall, allowing defenders to shoot at, or drop objects on, attackers at the base of the wall without having to lean perilously over the crenellations, thereby exposing themselves to retaliatory fire. Machicolations were stone projections on top of
4992-510: Is used for structures protecting gates. The origin of the English word barbican is thought to be found in either Persian or Arabic (see here or here ). Paul Deschamps (1888–1974) interpreted the Arabic word 'bashura[h]' as used in 13th-century chronicles to mean barbican, a defensive structure placed ahead of a gate but this has been debunked, 'bashura' denoting rather an entire section of
5120-909: The Armenian Kingdom of Cilicia , where they discovered an extensive network of sophisticated fortifications which had a profound impact on the architecture of Crusader castles . Most of the Armenian military sites in Cilicia are characterized by: multiple bailey walls laid with irregular plans to follow the sinuosities of the outcrops; rounded and especially horseshoe-shaped towers; finely-cut often rusticated ashlar facing stones with intricate poured cores; concealed postern gates and complex bent entrances with slot machicolations; embrasured loopholes for archers; barrel, pointed or groined vaults over undercrofts, gates and chapels; and cisterns with elaborate scarped drains. Civilian settlement are often found in
5248-492: The Bayeux Tapestry 's depiction of Château de Dinan . Sometimes a motte covered an older castle or hall, whose rooms became underground storage areas and prisons beneath a new keep. A bailey, also called a ward, was a fortified enclosure. It was a common feature of castles, and most had at least one. The keep on top of the motte was the domicile of the lord in charge of the castle and a bastion of last defence, while
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5376-810: The Derbent Wall and the Great Wall of Gorgan built on the either sides of the Caspian Sea against nomadic nations. Some settlements in the Indus Valley civilization were also fortified. By about 3500 BC, hundreds of small farming villages dotted the Indus floodplain. Many of these settlements had fortifications and planned streets. The stone and mud brick houses of Kot Diji were clustered behind massive stone flood dykes and defensive walls, for neighboring communities quarreled constantly about
5504-512: The Iron Age . Hillforts in Britain typically used earthworks rather than stone as a building material. Many earthworks survive today, along with evidence of palisades to accompany the ditches. In central and western Europe, oppida emerged in the 2nd century BC; these were densely inhabited fortified settlements, such as the oppidum of Manching . Some oppida walls were built on
5632-480: The Romans . The gatehouse contained a series of defences to make a direct assault more difficult than battering down a simple gate. Typically, there were one or more portcullises – a wooden grille reinforced with metal to block a passage – and arrowslits to allow defenders to harry the enemy. The passage through the gatehouse was lengthened to increase the amount of time an assailant had to spend under fire in
5760-745: The Warring States (481–221 BC), mass conversion to stone architecture did not begin in earnest until the Tang dynasty (618–907 AD). Sections of the Great Wall had been built prior to the Qin dynasty (221–207 BC) and subsequently connected and fortified during the Qin dynasty, although its present form was mostly an engineering feat and remodeling of the Ming dynasty (1368–1644 AD). The large walls of Pingyao serve as one example. Likewise,
5888-446: The 16th century. Fortified or mock-fortified gatehouses remained a feature of ambitious French and English residences well into the 17th century. Portuguese medieval fortification nomenclature uses barbican (" barbacã ") to describe any wall outside of and lower than the main defensive wall that forms a second barrier. The barrier may be complete, extensive or only protect particularly weak areas. The more restrictive term gate barbican
6016-681: The 16th century. The bastion and star fort was developed in Italy, where the Florentine engineer Giuliano da Sangallo (1445–1516) compiled a comprehensive defensive plan using the geometric bastion and full trace italienne that became widespread in Europe. The main distinguishing features of the star fort were its angle bastions, each placed to support their neighbor with lethal crossfire, covering all angles, making them extremely difficult to engage with and attack. Angle bastions consisted of two faces and two flanks. Artillery positions positioned at
6144-538: The 18th century onwards, there was a renewed interest in castles with the construction of mock castles, part of a Romantic revival of Gothic architecture , but they had no military purpose. The word castle is derived from the Latin word castellum , which is a diminutive of the word castrum , meaning "fortified place". The Old English castel , Occitan castel or chastel , French château , Spanish castillo , Portuguese castelo , Italian castello , and
6272-495: The 19th century, less emphasis was placed on preserving the fortifications for the sake of their architectural or historical value – on the one hand, complete fortifications were restored ( Carcassonne ), on the other hand many structures were demolished in an effort to modernize the cities. One exception to this is the "monument preservation" law by the Bavarian King Ludwig I of Bavaria , which led to
6400-533: The 9th and 10th centuries after the fall of the Carolingian Empire , which resulted in its territory being divided among individual lords and princes. These nobles built castles to control the area immediately surrounding them and they were both offensive and defensive structures: they provided a base from which raids could be launched as well as offered protection from enemies. Although their military origins are often emphasised in castle studies,
6528-613: The Christians were victorious in the First Crusade (1096–1099), rather than nearly 100 years later. Remains of Roman structures in Western Europe were still standing in many places, some of which had flanking round-towers and entrances between two flanking towers. The castle builders of Western Europe were aware of and influenced by Roman design; late Roman coastal forts on the English " Saxon Shore " were reused and in Spain
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#17327658141116656-628: The East became more complex around the late 12th and early 13th centuries after the stalemate of the Third Crusade (1189–1192). Both Christians and Muslims created fortifications, and the character of each was different. Saphadin , the 13th-century ruler of the Saracens, created structures with large rectangular towers that influenced Muslim architecture and were copied again and again, however they had little influence on Crusader castles. In
6784-568: The French "braggarts by nature". Very rarely did cannons blast breaches in city walls in Chinese warfare. This may have been partly due to cultural tradition. Famous military commanders such as Sun Tzu and Zheng Zhilong recommended not to directly attack cities and storm their walls. Even when direct assaults were made with cannons, it was usually by focusing on the gates rather than the walls. There were instances where cannons were used against walled fortifications, such as by Koxinga , but only in
6912-528: The Iberian Peninsula was the use of detached towers, called Albarrana towers , around the perimeter as can be seen at the Alcazaba of Badajoz . Probably developed in the 12th century, the towers provided flanking fire. They were connected to the castle by removable wooden bridges, so if the towers were captured the rest of the castle was not accessible. When seeking to explain this change in
7040-475: The Italian trace italienne and star forts . A motte was an earthen mound with a flat top. It was often artificial, although sometimes it incorporated a pre-existing feature of the landscape. The excavation of earth to make the mound left a ditch around the motte, called a moat (which could be either wet or dry). Although the motte is commonly associated with the bailey to form a motte-and-bailey castle, this
7168-473: The Middle East; castles were not communal defences but were built and owned by the local feudal lords, either for themselves or for their monarch. Feudalism was the link between a lord and his vassal where, in return for military service and the expectation of loyalty, the lord would grant the vassal land. In the late 20th century, there was a trend to refine the definition of a castle by including
7296-745: The ancient site of Mycenae (famous for the huge stone blocks of its ' cyclopean ' walls). In classical era Greece, the city of Athens built a long set of parallel stone walls called the Long Walls that reached their guarded seaport at Piraeus . Exceptions were few, but neither ancient Sparta nor ancient Rome had walls for a long time, choosing to rely on their militaries for defense instead. Initially, these fortifications were simple constructions of wood and earth, which were later replaced by mixed constructions of stones piled on top of each other without mortar . The Romans later fortified their cities with massive, mortar-bound stone walls. Among these are
7424-410: The appropriate city gate and are often supplemented with towers. The practice of building these massive walls, though having its origins in prehistory, was refined during the rise of city-states , and energetic wall-building continued into the medieval period and beyond in certain parts of Europe. Simpler defensive walls of earth or stone, thrown up around hillforts , ringworks , early castles and
7552-404: The architectural characteristics, usually as their owners liked to maintain a link to the past and felt the term castle was a masculine expression of their power. In scholarship the castle, as defined above, is generally accepted as a coherent concept, originating in Europe and later spreading to parts of the Middle East, where they were introduced by European Crusaders. This coherent group shared
7680-426: The bailey was the home of the rest of the lord's household and gave them protection. The barracks for the garrison, stables, workshops, and storage facilities were often found in the bailey. Water was supplied by a well or cistern . Over time the focus of high status accommodation shifted from the keep to the bailey; this resulted in the creation of another bailey that separated the high status buildings – such as
7808-543: The case of small villages. During Koxinga's career, there is only one recorded case of capturing a settlement by bombarding its walls: the siege of Taizhou in 1658. In 1662, the Dutch found that bombarding the walls of a town in Fujian Province had no effect and they focused on the gates instead just as in Chinese warfare. In 1841, a 74-gun British warship bombarded a Chinese coastal fort near Guangzhou and found that it
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#17327658141117936-416: The circumvention of the city, through which many important trade routes passed, thus ensuring that tolls were paid when the caravans passed through the city gates, and that the local market was visited by the trade caravans. Furthermore, additional signaling and observation towers were frequently built outside the city, and were sometimes fortified in a castle-like fashion. The border of the area of influence of
8064-475: The city was often partially or fully defended by elaborate ditches, walls and hedges. The crossing points were usually guarded by gates or gate houses. These defenses were regularly checked by riders, who often also served as the gate keepers. Long stretches of these defenses can still be seen to this day, and even some gates are still intact. To further protect their territory, rich cities also established castles in their area of influence. An example of this practice
8192-715: The city. From ancient to modern times, they were used to enclose settlements. Generally, these are referred to as city walls or town walls , although there were also walls, such as the Great Wall of China , Walls of Benin , Hadrian's Wall , Anastasian Wall , and the Atlantic Wall , which extended far beyond the borders of a city and were used to enclose regions or mark territorial boundaries. In mountainous terrain, defensive walls such as letzis were used in combination with castles to seal valleys from potential attack. Beyond their defensive utility, many walls also had important symbolic functions – representing
8320-578: The complexity and style of castles, antiquarians found their answer in the Crusades. It seemed that the Crusaders had learned much about fortification from their conflicts with the Saracens and exposure to Byzantine architecture . There were legends such as that of Lalys – an architect from Palestine who reputedly went to Wales after the Crusades and greatly enhanced the castles in the south of
8448-402: The construction of castle sites through the examination of ceramics. The increase in Italy began in the 950s, with numbers of castles increasing by a factor of three to five every 50 years, whereas in other parts of Europe such as France and Spain the growth was slower. In 950, Provence was home to 12 castles; by 1000, this figure had risen to 30, and by 1030 it was over 100. Although
8576-536: The construction of the "European Rampart" alongside its border with Russia to be able to successfully apply for a visa-free movement with the European Union. At its simplest, a defensive wall consists of a wall enclosure and its gates. For the most part, the top of the walls were accessible, with the outside of the walls having tall parapets with embrasures or merlons . North of the Alps, this passageway at
8704-623: The control of prime agricultural land. Mundigak ( c. 2500 BC ) in present-day south-east Afghanistan has defensive walls and square bastions of sun dried bricks. The concept of a city fully enclosed by walls was not fully developed in Southeast Asia until the arrival of Europeans. However, Burma serves an exception, as they had a longer tradition of fortified walled towns; towns in Burma had city walls by 1566. Besides that, Rangoon in 1755 had stockades made of teak logs on
8832-474: The country – and it was assumed that great architects such as James of Saint George originated in the East. In the mid-20th century this view was cast into doubt. Legends were discredited, and in the case of James of Saint George it was proven that he came from Saint-Georges-d'Espéranche , in France. If the innovations in fortification had derived from the East, it would have been expected for their influence to be seen from 1100 onwards, immediately after
8960-463: The criterion of feudal ownership, thus tying castles to the medieval period; however, this does not necessarily reflect the terminology used in the medieval period. During the First Crusade (1096–1099), the Frankish armies encountered walled settlements and forts that they indiscriminately referred to as castles, but which would not be considered as such under the modern definition. Castles served
9088-427: The defender if it was too small. A smaller horizontal opening could be added to give an archer a better view for aiming. Sometimes a sally port was included; this could allow the garrison to leave the castle and engage besieging forces. It was usual for the latrines to empty down the external walls of a castle and into the surrounding ditch. A postern is a secondary door or gate in a concealed location, usually in
9216-538: The defense of the city. These areas were often inhabited by the poorer population and held the "noxious trades". In many cities, a new wall was built once the city had grown outside of the old wall. This can often still be seen in the layout of the city, for example in Nördlingen , and sometimes even a few of the old gate towers are preserved, such as the white tower in Nuremberg . Additional constructions prevented
9344-429: The defensive strategy of the city (e.g. Nuremberg , Zons , Carcassonne ), or the cities were directly outside the castle as a sort of "pre-castle" (Coucy-le-Chateau, Conwy and others). Larger cities often had multiple stewards – for example Augsburg was divided into a Reichstadt and a clerical city. These different parts were often separated by their own fortifications. Castle A castle
9472-552: The dominant form of castle in England, Wales, and Ireland well into the 12th century. At the same time, castle architecture in mainland Europe became more sophisticated. The donjon was at the centre of this change in castle architecture in the 12th century. Central towers proliferated, and typically had a square plan, with walls 3 to 4 m (9.8 to 13.1 ft) thick. Their decoration emulated Romanesque architecture , and sometimes incorporated double windows similar to those found in church bell towers. Donjons, which were
9600-417: The early Middle Ages also saw the creation of some towns built around castles. These cities were only rarely protected by simple stone walls and more usually by a combination of both walls and ditches . From the 12th century AD hundreds of settlements of all sizes were founded all across Europe, which very often obtained the right of fortification soon afterwards. Several medieval town walls have survived into
9728-413: The economy and justice. However, while castles proliferated in the 9th and 10th centuries the link between periods of insecurity and building fortifications is not always straightforward. Some high concentrations of castles occur in secure places, while some border regions had relatively few castles. It is likely that the castle evolved from the practice of fortifying a lordly home. The greatest threat to
9856-455: The empire, but all these paled in comparison to contemporary Chinese walls, which could reach a thickness of 20 metres (66 ft) at the base in extreme cases. Even the walls of Constantinople which have been described as "the most famous and complicated system of defence in the civilized world," could not match up to a major Chinese city wall. Had both the outer and inner walls of Constantinople been combined they would have only reached roughly
9984-627: The energy of artillery shots. Walls were constructed using wooden frameworks which were filled with layers of earth tamped down to a highly compact state, and once that was completed the frameworks were removed for use in the next wall section. Starting from the Song dynasty these walls were improved with an outer layer of bricks or stone to prevent erosion, and during the Ming, earthworks were interspersed with stone and rubble. Most Chinese walls were also sloped rather than vertical to better deflect projectile energy. The defensive response to cannon in Europe
10112-404: The flanks could fire parallel into the opposite bastion's line of fire, thus providing two lines of cover fire against an armed assault on the wall, and preventing mining parties from finding refuge. Meanwhile, artillery positioned on the bastion platform could fire frontally from the two faces, also providing overlapping fire with the opposite bastion. Overlapping mutually supporting defensive fire
10240-592: The garrison to control the surrounding area, and formed a centre of administration, providing the lord with a place to hold court . Building a castle sometimes required the permission of the king or other high authority. In 864 the King of West Francia, Charles the Bald , prohibited the construction of castella without his permission and ordered them all to be destroyed. This is perhaps the earliest reference to castles, though military historian R. Allen Brown points out that
10368-703: The immediate proximity of these fortifications. After the First Crusade, Crusaders who did not return to their homes in Europe helped found the Crusader states of the Principality of Antioch , the County of Edessa , the Kingdom of Jerusalem , and the County of Tripoli . The castles they founded to secure their acquisitions were designed mostly by Syrian master-masons. Their design was very similar to that of
10496-428: The increase was slower in Spain, the 1020s saw a particular growth in the number of castles in the region, particularly in contested border areas between Christian and Muslim lands. Despite the common period in which castles rose to prominence in Europe, their form and design varied from region to region. In the early 11th century, the motte and keep – an artificial mound with a palisade and tower on top –
10624-436: The invention of gunpowder rendered walls less effective, as siege cannons could then be used to blast through walls, allowing armies to simply march through. Today, the presence of former city fortifications can often only be deduced from the presence of ditches, ring roads or parks. Furthermore, some street names hint at the presence of fortifications in times past, for example when words such as "wall" or "glacis" occur. In
10752-511: The land he had taken. Between 1066 and 1087, he established 36 castles such as Warwick Castle , which he used to guard against rebellion in the English Midlands . Towards the end of the Middle Ages, castles tended to lose their military significance due to the advent of powerful cannons and permanent artillery fortifications; as a result, castles became more important as residences and statements of power. A castle could act as
10880-884: The largely extant Aurelian Walls of Rome and the Theodosian Walls of Constantinople , together with partial remains elsewhere. These are mostly city gates, like the Porta Nigra in Trier or Newport Arch in Lincoln . In Central Europe, the Celts built large fortified settlements which the Romans called oppida , whose walls seem partially influenced by those built in the Mediterranean. The fortifications were continuously expanded and improved. Apart from these,
11008-414: The lay of the land (the result was often irregular or curvilinear structures). The design of castles was not uniform, but these were features that could be found in a typical castle in the mid-12th century. By the end of the 12th century or the early 13th century, a newly constructed castle could be expected to be polygonal in shape, with towers at the corners to provide enfilading fire for
11136-461: The least space in between them, and are rooted firmly in the ground. The top of the wall is often protruding and beset with barbed wire in order to make climbing them more difficult. These walls are usually built in straight lines and covered by watchtowers at the corners. Double walls with an interstitial "zone of fire", as the former Berlin Wall had, are now rare. In September 2014, Ukraine announced
11264-467: The like, tend to be referred to as ramparts or banks. From very early history to modern times, walls have been a near necessity for every city. Uruk in ancient Sumer ( Mesopotamia ) is one of the world's oldest known walled cities. Before that, the proto-city of Jericho in the West Bank had a wall surrounding it as early as the 8th millennium BC. The earliest known town wall in Europe
11392-499: The lord's chambers and the chapel – from the everyday structures such as the workshops and barracks. From the late 12th century there was a trend for knights to move out of the small houses they had previously occupied within the bailey to live in fortified houses in the countryside. Although often associated with the motte-and-bailey type of castle, baileys could also be found as independent defensive structures. These simple fortifications were called ringworks . The enceinte
11520-420: The loss of the donjon. Where keeps did exist, they were no longer square but polygonal or cylindrical. Gateways were more strongly defended, with the entrance to the castle usually between two half-round towers which were connected by a passage above the gateway – although there was great variety in the styles of gateway and entrances – and one or more portcullis. A peculiar feature of Muslim castles in
11648-513: The main gatehouse , with the two towers connected by walls extending out from the main fortification. Literally called " jar walls ", they are often referred to as "barbicans" in English. Defensive wall A defensive wall is a fortification usually used to protect a city, town or other settlement from potential aggressors. The walls can range from simple palisades or earthworks to extensive military fortifications such as curtain walls with towers , bastions and gates for access to
11776-467: The main living quarters of the castle and usually the most strongly defended point of a castle before the introduction of concentric defence . "Keep" was not a term used in the medieval period – the term was applied from the 16th century onwards – instead " donjon " was used to refer to great towers, or turris in Latin. In motte-and-bailey castles, the keep was on top of the motte. "Dungeon"
11904-552: The modern age, such as the walled towns of Austria , walls of Tallinn , or the town walls of York and Canterbury in England, as well as Nordlingen , Dinkelsbühl and Rothenburg ob der Tauber in Germany. In Spain, Avila and Tossa del Mar hosts surviving medieval walls while Lugo has an intact Roman wall. The founding of urban centers was an important means of territorial expansion and many cities, especially in central and eastern Europe, were founded for this purpose during
12032-444: The move, to elaborate permanent stone constructions, notably the milecastles of Hadrian's Wall . Roman forts were generally rectangular with rounded corners – a "playing-card shape". In the medieval period, castles were influenced by earlier forms of elite architecture, contributing to regional variations. Importantly, while castles had military aspects, they contained a recognisable household structure within their walls, reflecting
12160-438: The multi-functional use of these buildings. The subject of the emergence of castles in Europe is a complex matter which has led to considerable debate. Discussions have typically attributed the rise of the castle to a reaction to attacks by Magyars , Muslims , and Vikings and a need for private defence. The breakdown of the Carolingian Empire led to the privatisation of government, and local lords assumed responsibility for
12288-507: The natives experienced great difficulty in uprooting European invaders. In China, Sun Yuanhua advocated for the construction of angled bastion forts in his Xifashenji so that their cannons could better support each other. The officials Han Yun and Han Lin noted that cannons on square forts could not support each side as well as bastion forts. Their efforts to construct bastion forts, and their results, were limited. Ma Weicheng built two bastion forts in his home county, which helped fend off
12416-669: The nearly complete preservation of many monuments such as the Rothenburg ob der Tauber , Nördlingen and Dinkelsbühl . The countless small fortified towns in the Franconia region were also preserved as a consequence of this edict. Walls and fortified wall structures were still built in the modern era. They did not, however, have the original purpose of being a structure able to resist a prolonged siege or bombardment. Modern examples of defensive walls include: Additionally, in some countries, different embassies may be grouped together in
12544-573: The number of castles being built went into decline. This has been partly attributed to the higher cost of stone-built fortifications, and the obsolescence of timber and earthwork sites, which meant it was preferable to build in more durable stone. Although superseded by their stone successors, timber and earthwork castles were by no means useless. This is evidenced by the continual maintenance of timber castles over long periods, sometimes several centuries; Owain Glyndŵr 's 11th-century timber castle at Sycharth
12672-607: The outer fortifications, which may include a barbican but also a bastion, gate, tower or all of these. Barbicans were also used in South Asian fortifications where some of their purposes were to protect the main gate from being rammed by war elephants . Fortifications in East Asia also feature similar high structures. In particular, gates in Chinese city walls were often defended by an additional "archery tower" in front of
12800-400: The period of Eastern settlement . These cities are easy to recognise due to their regular layout and large market spaces. The fortifications of these settlements were continuously improved to reflect the current level of military development. While gunpowder and cannons were invented in China, China never developed wall breaking artillery to the same extent as other parts of the world. Part of
12928-504: The reason is probably because Chinese walls were already highly resistant to artillery and discouraged increasing the size of cannons. In the mid-twentieth century a European expert in fortification commented on their immensity: "in China ... the principal towns are surrounded to the present day by walls so substantial, lofty, and formidable that the medieval fortifications of Europe are puny in comparison." Chinese walls were thick. The eastern wall of Ancient Linzi , established in 859 BC, had
13056-424: The residence of the lord of the castle, evolved to become more spacious. The design emphasis of donjons changed to reflect a shift from functional to decorative requirements, imposing a symbol of lordly power upon the landscape. This sometimes led to compromising defence for the sake of display. Until the 12th century, stone-built and earth and timber castles were contemporary, but by the late 12th century
13184-535: The size and number of cannon placements because the rooms could only be built so big. Notable surviving artillery towers include a seven layer defensive structure built in 1480 at Fougères in Brittany , and a four layer tower built in 1479 at Querfurth in Saxony. The star fort, also known as the bastion fort, trace italienne , or renaissance fortress, was a style of fortification that became popular in Europe during
13312-452: The status and independence of the communities they embraced. Existing ancient walls are almost always masonry structures, although brick and timber-built variants are also known. Depending on the topography of the area surrounding the city or the settlement the wall is intended to protect, elements of the terrain such as rivers or coastlines may be incorporated in order to make the wall more effective. Walls may only be crossed by entering
13440-542: The structures also served as centres of administration and symbols of power. Urban castles were used to control the local populace and important travel routes, and rural castles were often situated near features that were integral to life in the community, such as mills, fertile land, or a water source. Many northern European castles were originally built from earth and timber but had their defences replaced later by stone . Early castles often exploited natural defences, lacking features such as towers and arrowslits and relying on
13568-410: The term has varied over time and, sometimes, has also been applied to structures such as hill forts and 19th- and 20th-century homes built to resemble castles. Over the Middle Ages, when genuine castles were built, they took on a great many forms with many different features, although some, such as curtain walls , arrowslits , and portcullises , were commonplace. European-style castles originated in
13696-621: The time of Silla until the end of the Joseon dynasty . Throughout the period of the Joseon dynasty eupseongs were modified and renovated, and new eupseongs were built, but in 1910 Japan (the occupying power of Korea) issued an order for their demolition, resulting in most being destroyed. Studies of the ruins and reconstructions of the ancient city walls are currently being undertaken at some sites. In ancient Greece , large stone walls had been built in Mycenaean Greece , such as
13824-546: The top of the walls occasionally had a roof. In addition to this, many different enhancements were made over the course of the centuries: The defensive towers of west and south European fortifications in the Middle Ages were often very regularly and uniformly constructed (cf. Ávila , Provins ), whereas Central European city walls tend to show a variety of different styles. In these cases the gate and wall towers often reach up to considerable heights, and gates equipped with two towers on either side are much rarer. Apart from having
13952-571: The wall around the city of Ávila imitated Roman architecture when it was built in 1091. Historian Smail in Crusading warfare argued that the case for the influence of Eastern fortification on the West has been overstated, and that Crusaders of the 12th century in fact learned very little about scientific design from Byzantine and Saracen defences. A well-sited castle that made use of natural defences and had strong ditches and walls had no need for
14080-447: The wall. The morning came with most of our unit still behind us, but we were beyond the wall. Behind the gate great heaps of sandbags were piled up. We 'cleared them away, removed the lock, and opened the gates, with a great creaking noise. We'd done it! We'd opened the fortress! All the enemy ran away, so we didn't take any fire. The residents too were gone. When we passed beyond the fortress wall we thought we had occupied this city. As
14208-569: The walls of the Forbidden City in Beijing were established in the early 15th century by the Yongle Emperor . According to Tonio Andrade , the immense thickness of Chinese city walls prevented larger cannons from being developed, since even industrial era artillery had trouble breaching Chinese walls. Eupseongs (Hangul: 읍성), 'city fortresses', which served both military and administrative functions, have been constructed since
14336-404: The walls of the marketplace of Chang'an were thicker than the walls of major European capitals. Aside from their immense size, Chinese walls were also structurally different from the ones built in medieval Europe. Whereas European walls were mostly constructed of stone interspersed with gravel or rubble filling and bonded by limestone mortar, Chinese walls had tamped earthen cores which absorbed
14464-413: The walls. The towers would have protruded from the walls and featured arrowslits on each level to allow archers to target anyone nearing or at the curtain wall. These later castles did not always have a keep, but this may have been because the more complex design of the castle as a whole drove up costs and the keep was sacrificed to save money. The larger towers provided space for habitation to make up for
14592-460: The word castella may have applied to any fortification at the time. In some countries the monarch had little control over lords, or required the construction of new castles to aid in securing the land so was unconcerned about granting permission – as was the case in England in the aftermath of the Norman Conquest and the Holy Land during the Crusades . Switzerland is an extreme case of there being no state control over who built castles, and as
14720-597: Was "almost impervious to the efforts of horizontal fire." In fact twentieth century explosive shells had some difficulty creating a breach in tamped earthen walls. We fought our way to Nanking and joined in the attack on the enemy capital in December. It was our unit which stormed the Chunghua Gate. We attacked continuously for about a week, battering the brick and earth walls with artillery, but they never collapsed. The night of December 11, men in my unit breached
14848-565: Was called a hall-house. Historian Charles Coulson states that the accumulation of wealth and resources, such as food, led to the need for defensive structures. The earliest fortifications originated in the Fertile Crescent , the Indus Valley , Europe, Egypt, and China where settlements were protected by large walls. In Northern Europe , hill forts were first developed in the Bronze Age , which then proliferated across Europe in
14976-477: Was common, and usually between local lords. Castles were introduced into England shortly before the Norman Conquest in 1066. Before the 12th century castles were as uncommon in Denmark as they had been in England before the Norman Conquest. The introduction of castles to Denmark was a reaction to attacks from Wendish pirates, and they were usually intended as coastal defences. The motte and bailey remained
15104-430: Was in short supply. Although stone construction would later become common elsewhere, from the 11th century onwards it was the primary building material for Christian castles in Spain, while at the same time timber was still the dominant building material in north-west Europe. Historians have interpreted the widespread presence of castles across Europe in the 11th and 12th centuries as evidence that warfare
15232-556: Was introduced to Europe in the 14th century, it did not significantly affect castle building until the 15th century, when artillery became powerful enough to break through stone walls. While castles continued to be built well into the 16th century, new techniques to deal with improved cannon fire made them uncomfortable and undesirable places to live. As a result, true castles went into decline and were replaced by artillery star forts with no role in civil administration, and château or country houses that were indefensible. From
15360-420: Was made in the upper storey of the gatehouse for accommodation so the gate was never left undefended, although this arrangement later evolved to become more comfortable at the expense of defence. During the 13th and 14th centuries the barbican was developed. This consisted of a rampart , ditch, and possibly a tower, in front of the gatehouse which could be used to further protect the entrance. The purpose of
15488-419: Was not always the case and there are instances where a motte existed on its own. "Motte" refers to the mound alone, but it was often surmounted by a fortified structure, such as a keep, and the flat top would be surrounded by a palisade . It was common for the motte to be reached over a flying bridge (a bridge over the ditch from the counterscarp of the ditch to the edge of the top of the mound), as shown in
15616-417: Was often the weakest part in a circuit of defences. To overcome this, the gatehouse was developed, allowing those inside the castle to control the flow of traffic. In earth and timber castles, the gateway was usually the first feature to be rebuilt in stone. The front of the gateway was a blind spot and to overcome this, projecting towers were added on each side of the gate in a style similar to that developed by
15744-422: Was still in use by the start of the 15th century, its structure having been maintained for four centuries. At the same time there was a change in castle architecture. Until the late 12th century castles generally had few towers; a gateway with few defensive features such as arrowslits or a portcullis; a great keep or donjon, usually square and without arrowslits; and the shape would have been dictated by
15872-425: Was the castle's main defensive enclosure, and the terms "bailey" and "enceinte" are linked. A castle could have several baileys but only one enceinte. Castles with no keep, which relied on their outer defences for protection, are sometimes called enceinte castles; these were the earliest form of castles, before the keep was introduced in the 10th century. A keep was a great tower or other building that served as
16000-431: Was the greatest advantage enjoyed by the star fort. As a result, sieges lasted longer and became more difficult affairs. By the 1530s the bastion fort had become the dominant defensive structure in Italy. Outside Europe, the star fort became an "engine of European expansion," and acted as a force multiplier so that small European garrisons could hold out against numerically superior forces. Wherever star forts were erected
16128-618: Was the main defense for Gelgel . For cities that did not have city walls, the least it would have had was a stockaded citadel . This wooden walled area housed the royal citadel or aristocratic compounds such as in Surakarta and Aceh . Large rammed earth walls were built in ancient China since the Shang dynasty ( c. 1600 –1050 BC), as the capital at ancient Ao had enormous walls built in this fashion (see siege for more info). Although stone walls were built in China during
16256-516: Was the most common form of castle in Europe, everywhere except Scandinavia. While Britain, France, and Italy shared a tradition of timber construction that was continued in castle architecture, Spain more commonly used stone or mud-brick as the main building material. The Muslim invasion of the Iberian Peninsula in the 8th century introduced a style of building developed in North Africa reliant on tapial , pebbles in cement, where timber
16384-438: Was to build relatively low and thick walls of packed earth, which could both withstand the force of cannon balls and support their own, defensive cannon. Chinese wall-building practice was, by happenstance, extremely resistant to all forms of battering. This held true into the twentieth century, when even modern explosive shells had some difficulty in breaking through tamped earth walls. The Chinese Wall Theory essentially rests on
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