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103-528: Bhuvanagiri Fort is a Fort located in the Heart of Bhuvanagiri City of Yadadri Bhuvanagiri District , Telangana , India . It is located on a huge rock at a commanding height. 50 Kms from Hyderabad. The Bhongir fort adorns the place from the time it was built in 10th century. Bhongir Fort was built on an isolated monolithic rock by the Western Chalukya ruler Tribhuvanamalla Vikramaditya IV in

206-486: A castro is a fortified pre- Roman Iron Age village, usually located on a hill or some naturally easy defendable place. The larger hillforts are also called citanias , cividades or cidás (English: cities ). They were located on hilltops, which allowed tactical control over the surrounding countryside and provided natural defences. They usually had access to a spring or small creek to provide water; some even had large reservoirs to use during sieges . Typically,

309-430: A ravelin like angular gun platform screening one of the curtain walls which is protected from flanking fire from the towers of the main part of the fort. Another example is the fortifications of Rhodes which were frozen in 1522 so that Rhodes is the only European walled town that still shows the transition between the classical medieval fortification and the modern ones. A manual about the construction of fortification

412-453: A castro had one to five stone and earth walls, which complemented the natural defences of the hill. The buildings inside, most of them circular in shape, some rectangular, were about 3.5–15 m (11–49 ft) long; they were made out of stone with thatch roofs resting on a wood column in the centre of the building. In the major oppida there were regular streets, suggesting some form of central organization. Castros vary in area from less than

515-451: A common list of castles, fortresses, forts, an hillforts. The Latvian word for hillfort is pilskalns (plural: pilskalni ), from pils (castle) and kalns (hill). Hillforts in Latvia offered not only military and administrative functions but they were also cultural and economic centres of some regions. Latvian hillforts generally were a part of a complex consisting of

618-521: A double wall of trenches and ramparts, and in the Congo forests concealed ditches and paths, along with the main works, often bristled with rows of sharpened stakes. Inner defenses were laid out to blunt an enemy penetration with a maze of defensive walls allowing for entrapment and crossfire on opposing forces. A military tactic of the Ashanti was to create powerful log stockades at key points. This

721-929: A hectare to some 50 hectare ones, and most were abandoned after the Roman conquest of the territory. Many castros were already established during the Atlantic Bronze Age period, pre-dating the Hallstatt culture . Many of the megaliths from the Bronze Age such as menhirs and dolmens , which are frequently located near the castros, also pre-date the Celts in Portugal, Asturias and Galicia as well as in Atlantic France, Britain and Ireland. These megaliths were probably reused in syncretic rituals by

824-413: A necessity for many cities. Amnya Fort in western Siberia has been described by archaeologists as one of the oldest known fortified settlements, as well as the northernmost Stone Age fort. In Bulgaria, near the town of Provadia a walled fortified settlement today called Solnitsata starting from 4700 BC had a diameter of about 300 feet (91 m), was home to 350 people living in two-storey houses, and

927-944: A refuge against attacking enemies. Ijang were first described by the English freebooter Captain William Dampier when he visited the island of Ivuhos in 1687. During the Spanish colonial era , ijang were abandoned during the Reducciones as the Ivatan population were moved into centralized towns in the lowlands. Among the Māori people , villages called pā were often built on raised ground, like volcanic hills, headlands, and small islands (including artificial islands ). The slopes were terraced into defensive ramparts that were usually further protected by palisades . Traditional pā took

1030-591: A result, very very few kotas still stand to this day. Notable kotas: During Muhammad 's era in Arabia, many tribes made use of fortifications. In the Battle of the Trench , the largely outnumbered defenders of Medina, mainly Muslims led by Islamic prophet Muhammad, dug a trench , which together with Medina's natural fortifications, rendered the confederate cavalry (consisting of horses and camels ) useless, locking

1133-404: A role and has stated "[the forts] provided defensive possibilities for the community at those times when the stress [of an increasing population] burst out into open warfare. But I wouldn't see them as having been built because there was a state of war. They would be functional as defensive strongholds when there were tensions and undoubtedly some of them were attacked and destroyed, but this was not

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1236-411: A series of straight lines creating the central fortified area that gives this style of fortification its name. Hill fort A hillfort is a type of fortified refuge or defended settlement located to exploit a rise in elevation for defensive advantage. They are typical of the late European Bronze Age and Iron Age . Some were used in the post- Roman period. The fortification usually follows

1339-478: A stone wall or earthen rampart or both. These would have been important tribal centres where the chief or king of the area would live with his extended family and support themselves by farming and renting cattle to their underlings. There are around 40 known hillforts in Ireland. About 12 are multivallate as distinguished by multiple ramparts, or a large counterscarp (outer bank). The imposing example at Mooghaun

1442-923: Is linnamägi (plural linnamäed ), meaning hillfort or hillburgh . There are several hundred hillforts or presumed ancient hillfort sites all over Estonia. Some of them, like Toompea in Tallinn or Toomemägi in Tartu, are governance centres used since ancient times up until today. Some others, like Varbola are historical sites nowadays. Most likely the Estonian hillforts were in pre-Christian times administrative, economic and military centres of Estonian tribes . Although some of them were probably used only during times of crisis and stood empty in peacetime (for example Soontagana in Koonga parish, Pärnu county ). List of Estonian fortresses  [ et ] contains

1545-561: Is also an intermediate branch known as semi-permanent fortification. Castles are fortifications which are regarded as being distinct from the generic fort or fortress in that they are a residence of a monarch or noble and command a specific defensive territory. Roman forts and hill forts were the main antecedents of castles in Europe, which emerged in the 9th century in the Carolingian Empire . The Early Middle Ages saw

1648-428: Is another example of a Gaulish fortified settlement. The term casemate wall is used in the archaeology of Israel and the wider Near East , having the meaning of a double wall protecting a city or fortress, with transverse walls separating the space between the walls into chambers. These could be used as such, for storage or residential purposes, or could be filled with soil and rocks during siege in order to raise

1751-402: Is defended by multiple stone walls. One must be careful to not confuse a hill-fort with a ' ringfort '—a medieval settlement—a common archaeological feature across the whole island of Ireland, of which over 40,000 examples are known; one source claims there may be 10,000 undiscovered ringforts. In Galicia , Asturias , Cantabria , Basque Country , province of Ávila and Northern Portugal

1854-548: Is employed when in the course of a campaign it becomes desirable to protect some locality with the best imitation of permanent defences that can be made in a short time, ample resources and skilled civilian labour being available. An example of this is the construction of Roman forts in England and in other Roman territories where camps were set up with the intention of staying for some time, but not permanently. Castles are fortifications which are regarded as being distinct from

1957-519: Is formally known as poliorcetics . In some texts, this latter term also applies to the art of building a fortification. Fortification is usually divided into two branches: permanent fortification and field fortification. Permanent fortifications are erected at leisure, with all the resources that a state can supply of constructive and mechanical skill, and are built of enduring materials. Field fortifications—for example breastworks —and often known as fieldworks or earthworks, are extemporized by troops in

2060-484: Is the largest amongst forts reoccupied following the end of Roman rule , to defend against pirate raids, and the Anglo-Saxon invasions. The cemetery outside Poundbury Hill contains east-facing Christian burials of the 4th century CE. In Wales, the hillfort at Dinas Powys was a late Iron Age hillfort reoccupied from the 5th-6th centuries CE; similarly at Castell Dinas Brân a hillfort of c.  600 BCE

2163-746: The British Raj are found in the mainland Indian subcontinent (modern day India , Pakistan , Bangladesh and Nepal ). "Fort" is the word used in India for all old fortifications. Numerous Indus Valley Civilization sites exhibit evidence of fortifications. 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 neighbouring communities bickered constantly about

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2266-616: The Bronze Age in the 1st millennium BC. The earliest examples in present-day Lithuania are found in the east of the country. Most of these forts were built or expanded between the fifth and fifteenth centuries, when they were used in the Dukes' Wars, and against the invasion of Teutonic Knights from the west. Most forts were located on the banks of a river, or a confluence where two rivers met. These fortifications were typically wooden, although some had additional stone or brick walls. The hill

2369-702: The Hill Forts of Rajasthan . In the Philippines , the Ivatan people of the Batanes Islands built ijang —fortified villages on top of natural hills and raised landforms near the coastlines. These were terraced into defensive ramparts with limited access points. Artifacts recovered from an ijang on the town of Savidug in Sabtang has been dated to around 1200 CE. These high rocky formations served as

2472-637: The Indus Valley Civilization were the first small cities to be fortified. In ancient Greece , large stone walls had been built in Mycenaean Greece , such as the ancient site of Mycenae (known for the huge stone blocks of its ' cyclopean ' walls). A Greek phrourion was a fortified collection of buildings used as a military garrison , and is the equivalent of the Roman castellum or fortress. These constructions mainly served

2575-1205: The Maratha Empire . A large majority of forts in India are in North India. The most notable forts are the Red Fort at Old Delhi , the Red Fort at Agra , the Chittor Fort and Mehrangarh Fort in Rajasthan , the Ranthambhor Fort , Amer Fort and Jaisalmer Fort also in Rajasthan and Gwalior Fort in Madhya Pradesh . Arthashastra , the Indian treatise on military strategy describes six major types of forts differentiated by their major modes of defenses. Forts in Sri Lanka date back thousands of years, with many being built by Sri Lankan kings. These include several walled cities. With

2678-586: The Mediterranean . The fortifications were continuously being expanded and improved. Around 600 BC, in Heuneburg , Germany, forts were constructed with a limestone foundation supported by a mudbrick wall approximately 4 metres tall, probably topped by a roofed walkway, thus reaching a total height of 6 metres. The wall was clad with lime plaster, regularly renewed. Towers protruded outwards from it. The Oppidum of Manching (German: Oppidum von Manching)

2781-569: The Napoleonic wars . Most of the colonial forts were garrisoned up until the early 20th century. The coastal forts had coastal artillery manned by the Ceylon Garrison Artillery during the two world wars. Most of these were abandoned by the military but retained civil administrative officers, while others retained military garrisons, which were more administrative than operational. Some were reoccupied by military units with

2884-901: The Neman River (against the Teutonic Order) and another along the border with Livonia . Two other lines started to form, but did not fully develop. One was to protect Vilnius , the capital, and the other line in Samogitia , was a major target for both orders. This territory separated the two Orders and prevented joint action between them and Pagan Lithuania. As of 2017 , according to the Atlas of Lithuanian Hillforts , there were 921 objects in Lithuania identified as piliakalniai . Most piliakalniai are located near rivers and are endangered by erosion: many have partly collapsed as

2987-527: The Nordic states and in Britain , the fortifications of Berwick-upon-Tweed and the harbour archipelago of Suomenlinna at Helsinki being fine examples. During the 18th century, it was found that the continuous enceinte , or main defensive enclosure of a bastion fortress, could not be made large enough to accommodate the enormous field armies which were increasingly being employed in Europe; neither could

3090-707: The Old City of Shanghai , Suzhou , Xi'an and the walled villages of Hong Kong . The famous walls of the Forbidden City in Beijing were established in the early 15th century by the Yongle Emperor . The Forbidden City made up the inner portion of the Beijing city fortifications . During the Spanish Era several forts and outposts were built throughout the archipelago. Most notable is Intramuros ,

3193-618: The Siege of Ta'if in January 630, Muhammad ordered his followers to attack enemies who fled from the Battle of Hunayn and sought refuge in the fortress of Taif. The entire city of Kerma in Nubia (present day Sudan) was encompassed by fortified walls surrounded by a ditch. Archaeology has revealed various Bronze Age bastions and foundations constructed of stone together with either baked or unfired brick. The walls of Benin are described as

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3296-634: The Tang dynasty (618–907 AD). The Great Wall of China had been built since the Qin dynasty (221–207 BC), although its present form was mostly an engineering feat and remodelling of the Ming dynasty (1368–1644 AD). In addition to the Great Wall, a number of Chinese cities also employed the use of defensive walls to defend their cities. Notable Chinese city walls include the city walls of Hangzhou , Nanjing ,

3399-828: 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 . Hadrian's Wall was built by the Roman Empire across the width of what is now northern England following a visit by Roman Emperor Hadrian (AD 76–138) in AD ;122. A number of forts dating from the Later Stone Age to

3502-401: The "Great Wall of Brodgar" it was 4 metres (13 ft) thick and 4 metres tall. The wall had some symbolic or ritualistic function. The Assyrians deployed large labour forces to build new palaces , temples and defensive walls. In Bronze Age Malta , some settlements also began to be fortified. The most notable surviving example is Borġ in-Nadur , where a bastion built in around 1500 BC

3605-530: The 19th and early 20th centuries. The advances in modern warfare since World War I have made large-scale fortifications obsolete in most situations. Many United States Army installations are known as forts, although they are not always fortified. During the pioneering era of North America, many outposts on the frontiers, even non-military outposts, were referred to generically as forts. Larger military installations may be called fortresses; smaller ones were once known as fortalices. The word fortification can refer to

3708-479: The 5th–8th centuries AD, when many new hillforts appeared, in most cases, along the main trades routes—rivers. During the 10th–11th centuries, some of the hillforts became military fortresses with strong fortifications (like hillforts in Tērvete , Talsi , Mežotne ). Some of them are considered important political centres of the local peoples, who in this period were subjects of serious social political changes. That period

3811-544: The Celtic Druids . The Celtiberian people occupied an inland region in central northern Spain, straddling the upper valleys of the Ebro , Douro and Tajo . They built hillforts, fortified hilltop towns and oppida , including Numantia . During the period of Late Antiquity or Migration Period a large number of hilltop settlements were established both on the Roman imperial territory and on Germanic soil. However,

3914-732: The Finnish hillforts that while most of them are located these days within some distance from the sea, but earlier many of the forts were located by the sea, due to post-glacial rebound . Finland has around 100 hillforts verified by excavations, and about 200 more suspected sites. The largest hillfort in Finland is the Rapola Castle , other notable are the Old Castle of Lieto and the Sulkava hillfort. The Estonian word for hillfort

4017-593: The Indus Valley Civilization were fortified. Forts also appeared in urban cities of the Gangetic valley during the second urbanisation period between 600 and 200 BC, and as many as 15 fortification sites have been identified by archaeologists throughout the Gangetic valley, such as Kaushambi , Mahasthangarh , Pataliputra , Mathura , Ahichchhatra , Rajgir , and Lauria Nandangarh . The earliest Mauryan period brick fortification occurs in one of

4120-641: The Iron Age and peaking in Iron Age II (10th–6th century BC). However, the construction of casemate walls had begun to be replaced by sturdier solid walls by the 9th century BC , probably due the development of more effective battering rams by the Neo-Assyrian Empire . Casemate walls could surround an entire settlement, but most only protected part of it. The three different types included freestanding casemate walls, then integrated ones where

4223-440: The Iron Age were sometimes used for corralling animals in later periods. For example, see Coney's Castle , Dolebury Warren and Pilsdon Pen . However, it is difficult to prove that people definitely did not dwell there, as lack of evidence is not proof of absence. Bronze Age and Iron Age hillforts are widely found in Ireland. They are large circular structures between 1 and 40 acres (most commonly 5–10 acres) in size, enclosed by

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4326-443: The Iron Age which may have had several functions. They are usually located on the crests of hills and mountains making use of precipices and marshes which worked as natural defences. The crests' more accessible parts were defended with walls of stone and outer walls in the slopes beneath are common. Round and closed, so-called ring forts are common even on flat ground. The walls often have remaining parts of stone, which were probably

4429-546: The Late Bronze and Early Iron Age, roughly the start of the first millennium BC , and were used in many Celtic areas of central and western Europe until the Roman conquest. They are most common during later periods: The Hallstatt culture and La Tène culture originated in what is now southern Germany, Switzerland, Austria, Slovakia and the Czech Republic. The predominant form of rampart construction

4532-513: The Late Iron Age it had an estimated population of around 15 to 30 million. Outside Greece and Italy , which were more densely populated, the vast majority of settlements in the Iron Age were small, with perhaps no more than 50 inhabitants. Hillforts were the exception, and were the home of up to 1,000 people. With the emergence of oppida in the Late Iron Age, settlements could reach as large as 10,000 inhabitants. As

4635-518: The ancient site of Mycenae (famous for the huge stone blocks of its ' cyclopean ' walls). In classical era Greece , the city of Athens built two parallel stone walls, called the Long Walls , that reached their fortified seaport at Piraeus a few miles away. In Central Europe , the Celts built large fortified settlements known as oppida , whose walls seem partially influenced by those built in

4738-410: The arrival of cannons on the 14th century battlefield . Fortifications in the age of black powder evolved into much lower structures with greater use of ditches and earth ramparts that would absorb and disperse the energy of cannon fire. Walls exposed to direct cannon fire were very vulnerable, so were sunk into ditches fronted by earth slopes. This placed a heavy emphasis on the geometry of

4841-415: The awe-inspiring rock and the aesthetically fortified courts which have stood the ravages of time stir the imagination of tourists. A moat that encircles the fort, a vast underground chamber, trap doors, an armoury, stables, ponds, wells, etc., make for fascinating viewing. The view from the top of the surrounding of the neighbouring area. The fort is associated with the rule of the heroic queen Rudramadevi and

4944-409: The contours of a hill and consists of one or more lines of earthworks or stone ramparts , with stockades or defensive walls , and external ditches. If enemies were approaching, the civilians would spot them from a distance. Prehistoric Europe saw a growing population. It has been estimated that in about 5000 BC during the Neolithic between 2 million and 5 million lived in Europe; in

5047-506: The control of prime agricultural land. The fortification varies by site. While Dholavira has stone-built fortification walls, Harrapa is fortified using baked bricks; sites such as Kalibangan exhibit mudbrick fortifications with bastions and Lothal has a quadrangular fortified layout. Evidence also suggested of fortifications in Mohenjo-daro . Even a small town—for instance, Kotada Bhadli, exhibiting sophisticated fortification-like bastions—shows that nearly all major and minor towns of

5150-537: The countryside is simply breathtaking. The Bala Hisar or citadel on the top of the hill gives a bird's eye view. Rumour has it that there once was an underground corridor connecting Bhongir Fort to Golconda Fort. There is a statue placed at entry of the fort which came out in nearby diggings around fort. It is a popular trekking spot. Fort From very early history to modern times, defensive walls have often been necessary for cities to survive in an ever-changing world of invasion and conquest . Some settlements in

5253-407: The creation of some towns built around castles. Medieval-style fortifications were largely made obsolete by the arrival of cannons in the 14th century. Fortifications in the age of black powder evolved into much lower structures with greater use of ditches and earth ramparts that would absorb and disperse the energy of cannon fire. Walls exposed to direct cannon fire were very vulnerable, so

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5356-620: The current level of military development. During the Renaissance era , the Venetian Republic raised great walls around cities, and the finest examples, among others, are in Nicosia (Cyprus), Rocca di Manerba del Garda (Lombardy), and Palmanova (Italy), or Dubrovnik (Croatia), which proved to be futile against attacks but still stand to this day. Unlike the Venetians, the Ottomans used to build smaller fortifications but in greater numbers, and only rarely fortified entire settlements such as Počitelj , Vratnik , and Jajce in Bosnia . Medieval-style fortifications were largely made obsolete by

5459-435: The defences be constructed far enough away from the fortress town to protect the inhabitants from bombardment by the besiegers, the range of whose guns was steadily increasing as better manufactured weapons were introduced. Threfore, since refortifying the Prussian fortress cities of Koblenz and Cologne after 1815, the principle of the ring fortress or girdle fortress was used: forts, each several hundred metres out from

5562-652: The element sten / stein were usually hillforts. In Sweden, there are 1,100 known hillforts with a strong concentration on the northern west coast and in eastern Svealand . In Södermanland there are 300, in Uppland 150, Östergötland 130, and 90 to 100 in each of Bohuslän and Gotland . Norway has about 400 hillforts. Denmark has 26 hillforts. The Finnish word for hillfort is linnavuori (plural linnavuoret ), meaning fort hill or castle hill , or alternatively muinaislinna meaning ancient fort , as opposed to bare linna which refers to medieval or later fortifications. One special feature about

5665-400: The emergence of hillforts in Britain, and their purpose, has been a subject of debate. It has been argued that they could have been military sites constructed in response to invasion from continental Europe, sites built by invaders, or a military reaction to social tensions caused by an increasing population and consequent pressure on agriculture. The dominant view, since the 1960s, has been that

5768-491: The escalation of the Sri Lankan Civil War ; Jaffna fort , for example, came under siege several times. Large tempered earth (i.e. rammed earth ) walls were built in ancient China since the Shang dynasty ( c.  1600 –1050 BC); 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 the Warring States (481–221 BC), mass conversion to stone architecture did not begin in earnest until

5871-437: The excavator to implicate the Cadbury population in a revolt in the 70's AD (roughly contemporary with that of Boudicca in the East of England), although this has been questioned by subsequent researchers. However, the presence of barracks on the hilltop in the decades following the conquest suggest an ongoing struggle to suppress local dissent. Maiden Castle in Dorset is the largest hillfort in England. Where Roman influence

5974-400: The field, perhaps assisted by such local labour and tools as may be procurable and with materials that do not require much preparation, such as soil, brushwood, and light timber , or sandbags (see sangar ). An example of field fortification was the construction of Fort Necessity by George Washington in 1754. There is also an intermediate branch known as semi-permanent fortification. This

6077-400: The flooded river has washed out the base of the hill. Now around 80 percent of piliakalniai are covered by forests and are hardly accessible to visitors. In Russia , Belarus and Poland Iron Age and Early Medieval hillforts are called gords . They were the residence of local rulers, and provided for refuge in times of war. Similar structures can be found elsewhere in the world, such as

6180-408: The fortification to allow defensive cannonry interlocking fields of fire to cover all approaches to the lower and thus more vulnerable walls. The evolution of this new style of fortification can be seen in transitional forts such as Sarzanello in North West Italy which was built between 1492 and 1502. Sarzanello consists of both crenellated walls with towers typical of the medieval period but also has

6283-418: The frontiers of the Nile Valley to protect against invaders from neighbouring territories, as well as circle-shaped mud brick walls around their cities. Many of the fortifications of the ancient world were built with mud brick, often leaving them no more than mounds of dirt for today's archaeologists. A massive prehistoric stone wall surrounded the ancient temple of Ness of Brodgar 3200 BC in Scotland . Named

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6386-504: The generic fort or fortress in that it describes a residence of a monarch or noble and commands a specific defensive territory. An example of this is the massive medieval castle of Carcassonne . Defensive fences for protecting humans and domestic animals against predators was used long before the appearance of writing and began "perhaps with primitive man blocking the entrances of his caves for security from large carnivores ". From very early history to modern times, walls have been

6489-405: The height of the Maguindanao Sultanate 's power, they blanketed the areas around Western Mindanao with kotas and other fortifications to block the Spanish advance into the region. These kotas were usually made of stone and bamboo or other light materials and surrounded by trench networks. As a result, some of these kotas were burned easily or destroyed. With further Spanish campaigns in the region,

6592-399: The increasing use of iron led to social changes in Britain. Deposits of iron ore were located in different places to the tin and copper ore necessary to make bronze and, as a result, trading patterns shifted and the old elites lost their economic and social status. Power passed into the hands of a new group of people. Archaeologist Barry Cunliffe believes that population increase still played

6695-413: The inner wall was part of the outer buildings of the settlement, and finally filled casemate walls, where the rooms between the walls were filled with soil right away, allowing for a quick, but nevertheless stable construction of particularly high walls. The Romans fortified their cities with massive, mortar-bound stone walls. The most famous of these are the largely extant Aurelian Walls of Rome and

6798-402: The intervals between them. The arrival of explosive shells in the 19th century led to yet another stage in the evolution of fortification. Star forts did not fare well against the effects of high explosives and the intricate arrangements of bastions, flanking batteries and the carefully constructed lines of fire for the defending cannon could be rapidly disrupted by explosive shells. Worse,

6901-413: The large open ditches surrounding forts of this type were an integral part of the defensive scheme, as was the covered way at the edge of the counter scarp . The ditch was extremely vulnerable to bombardment with explosive shells. In response, military engineers evolved the polygonal style of fortification. The ditch became deep and vertically sided, cut directly into the native rock or soil, laid out as

7004-440: The local people forcibly evicted, and the forts left derelict. For example, Solsbury Hill was sacked and deserted during the Belgic invasions of southern Britain in the 1st century BC. Abandoned forts were sometimes reoccupied and refortified under renewed threat of foreign invasion, such as the Dukes' Wars in Lithuania , and the successive invasions of Britain by Romans , Saxons and Vikings . Celtic hillforts developed in

7107-428: The main antecedents of castles in Europe , which emerged in the 9th century in the Carolingian Empire . The Early Middle Ages 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, hundreds of settlements of all sizes were founded all across Europe, which very often obtained

7210-426: The main fortress, the settlement around it, one or more burial fields and nearby ritual sites. The first hillforts in Latvia, such as Daugmale hillfort, appeared during the Bronze Age . Some were continuously inhabited until the late Iron Age . During the Roman Iron Age, some of the Latvian hillforts (like Ķivutkalns ) were abandoned or became sparsely populated. A new period in hillfort development started during

7313-411: The old walled city of Manila located along the southern bank of the Pasig River . The historic city was home to centuries-old churches, schools, convents, government buildings and residences, the best collection of Spanish colonial architecture before much of it was destroyed by the bombs of World War II . Of all the buildings within the 67-acre city, only one building, the San Agustin Church, survived

7416-647: The only, or even the most significant, factor in their construction". Hillforts in Britain are known from the Bronze Age , but the great period of hillfort construction was during the Celtic Iron Age, between 700 BC and the Roman conquest of Britain in 43 AD. The Romans occupied some forts, such as the military garrison at Hod Hill , and the temple at Brean Down , but others were destroyed and abandoned. Partially articulated remains of between 28 and 40 men, women and children at Cadbury Castle were thought by

7519-440: The original enceinte, were carefully sited so as to make best use of the terrain and to be capable of mutual support with the neighbouring forts. Gone were citadels surrounding towns: forts were to be moved to the outside of the cities some 12 km to keep the enemy at a distance so their artillery could not bombard the city center. From now on a ring of forts were to be built at a spacing that would allow them to effectively cover

7622-738: The outset of colonial rule in the Indian Ocean , Sri Lanka was occupied by several major colonial empires that from time to time became the dominant power in the Indian Ocean. The colonists built several western-style forts, mostly in and around the coast of the island. The first to build colonial forts in Sri Lanka were the Portuguese ; these forts were captured and later expanded by the Dutch . The British occupied these Dutch forts during

7725-408: The population increased so did the complexity of prehistoric societies. Around 1100 BC hillforts emerged and in the following centuries spread through Europe. They served a range of purposes and were variously tribal centres, defended places, foci of ritual activity, and places of production. Hillforts were frequently occupied by conquering armies, but on other occasions the forts were destroyed,

7828-409: The practice of improving an area's defense with defensive works. City walls are fortifications but are not necessarily called fortresses. The art of setting out a military camp or constructing a fortification traditionally has been called castrametation since the time of the Roman legions . Laying siege to a fortification and of destroying it is commonly called siegecraft or siege warfare and

7931-471: The purpose of a watch tower, to guard certain roads, passes, and borders. Though smaller than a real fortress, they acted as a border guard rather than a real strongpoint to watch and maintain the border. The art of setting out a military camp or constructing a fortification traditionally has been called "castrametation" since the time of the Roman legions . Fortification is usually divided into two branches: permanent fortification and field fortification. There

8034-656: The resistance of the outer wall against battering rams. Originally thought to have been introduced to the region by the Hittites , this has been disproved by the discovery of examples predating their arrival, the earliest being at Ti'inik (Taanach) where such a wall has been dated to the 16th century BC . Casemate walls became a common type of fortification in the Southern Levant between the Middle Bronze Age (MB) and Iron Age II, being more numerous during

8137-429: The right of fortification soon afterward. The founding of urban centres was an important means of territorial expansion and many cities, especially in eastern Europe , were founded precisely for this purpose during the period of Eastern Colonisation . 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

8240-540: The steps through the granite archways and the crumbling stucco ruins of the later age, still adorn the place. Somewhere in 15th century, the fort was ceded to the Bahamani Sultans and then was taken over by a local governor. The Qutb Shahis ' used the fort as a prison for those who aspired to snatch their throne. During the time of the British, the fort escaped their attention and was not occupied. Bhuvanagiri

8343-489: The stockades by mounting old-fashioned bayonet charges, after laying down some covering fire. Defensive works were of importance in the tropical African Kingdoms. In the Kingdom of Kongo field fortifications were characterized by trenches and low earthen embankments. Such strongpoints ironically, sometimes held up much better against European cannon than taller, more imposing structures. Roman forts and hill forts were

8446-438: The stupa mounds of Lauria Nandangarh, which is 1.6 km in perimeter and oval in plan and encloses a habitation area. Mundigak ( c.  2500 BC ) in present-day south-east Afghanistan has defensive walls and square bastions of sun dried bricks. India currently has over 180 forts, with the state of Maharashtra alone having over 70 forts, which are also known as durg , many of them built by Shivaji , founder of

8549-636: The sultanate was subdued and a majority of kotas dismantled or destroyed. kotas were not only used by the Muslims as defense against Spaniards and other foreigners, renegades and rebels also built fortifications in defiance of other chiefs in the area. During the American occupation, rebels built strongholds and the datus, rajahs, or sultans often built and reinforced their kotas in a desperate bid to maintain rule over their subjects and their land. Many of these forts were also destroyed by American expeditions, as

8652-489: The support of pales. They often have well delineated gateways, the gates of which were probably of wood. Hillforts with strong walls are often located beside old trade routes and have an offensive character, whereas others are reclusive and were weakly fortified, probably only for hiding during raids. Many forts, located centrally in densely populated areas, were permanently settled strongholds and can show traces of settlements both inside and outside. Older place names containing

8755-763: The term embraces a wide range of very different settlements in high locations. At least a few of the Germanic settlements were protected by fortifications. Unlike the Romans, however, the Germanii did not use mortar at that time for their construction. Among the best known hill settlements in Germany are the Runder Berg near Bad Urach and the Gelbe Bürg near Dittenheim. In Sweden, hillforts are fortifications from

8858-485: The two sides in a stalemate. Hoping to make several attacks at once, the confederates persuaded the Medina-allied Banu Qurayza to attack the city from the south. However, Muhammad's diplomacy derailed the negotiations, and broke up the confederacy against him. The well-organized defenders, the sinking of confederate morale, and poor weather conditions caused the siege to end in a fiasco. During

8961-499: The walls were sunk into ditches fronted by earth slopes to improve protection. The arrival of explosive shells in the 19th century led to another stage in the evolution of fortification. Star forts did not fare well against the effects of high explosives, and the intricate arrangements of bastions, flanking batteries and the carefully constructed lines of fire for the defending cannon could be rapidly disrupted by explosive shells. Steel -and- concrete fortifications were common during

9064-559: The war. Partial listing of Spanish forts: The Ivatan people of the northern islands of Batanes built their so-called idjang on hills and elevated areas to protect themselves during times of war. These fortifications were likened to European castles because of their purpose. Usually, the only entrance to the castles would be via a rope ladder that would only be lowered for the villagers and could be kept away when invaders arrived. The Igorots built forts made of stone walls that averaged several meters in width and about two to three times

9167-410: The width in height around 2000 BC. The Muslim Filipinos of the south built strong fortresses called kota or moong to protect their communities. Usually, many of the occupants of these kotas are entire families rather than just warriors. Lords often had their own kotas to assert their right to rule, it served not only as a military installation but as a palace for the local Lord. It is said that at

9270-634: The world's second longest man-made structure, as well as the most extensive earthwork in the world, by the Guinness Book of Records, 1974 . The walls may have been constructed between the thirteenth and mid-fifteenth century CE or, during the first millennium CE. Strong citadels were also built other in areas of Africa. Yorubaland for example had several sites surrounded by the full range of earthworks and ramparts seen elsewhere, and sited on ground. This improved defensive potential—such as hills and ridges. Yoruba fortifications were often protected with

9373-594: The year 1076 and was thus named after him as Tribhuvanagiri, later it was called as Bhuvanagiri. Some of the inscriptions found in the fort were in Kannada and Telugu language highlighting the lifestyle of the people of that era. The inscriptions, the architecture and some sculptures found in the fort reveal that the fort was ruled by the Chalukya dynasty for a long time and then by the Kakatiya dynasty . The stone wall,

9476-520: Was pfostenschlitzmauer , or Kelheim-style . During the Hallstatt ;C period, hillforts became the dominant settlement type in the west of Hungary. Julius Caesar described the large late Iron Age hillforts he encountered during his campaigns in Gaul as oppida . By this time the larger ones had become more like cities than fortresses and many were assimilated as Roman towns. The reason for

9579-430: Was a large Celtic proto-urban or city-like settlement at modern-day Manching (near Ingolstadt), Bavaria (Germany). The settlement was founded in the 3rd century BC and existed until c.  50–30 BC . It reached its largest extent during the late La Tène period (late 2nd century BC), when it had a size of 380 hectares. At that time, 5,000 to 10,000 people lived within its 7.2 km long walls. The oppidum of Bibracte

9682-985: Was a new linear earthwork connected to the existing hillfort at Maes Knoll , which defined the Celtic-Saxon border in south-west England during the period 577–652 CE. Some hillforts were re-occupied by the Anglo-Saxons during the period of Viking raids. King Alfred established a network of coastal hillforts and lookout posts in Wessex , linked by a Herepath , or military road, which enabled his armies to cover Viking movements at sea. For example, see Daw's Castle and Battle of Cynwit . It has been suggested on reasonable evidence that many so-called hillforts were just used to pen in cattle, horses, or other domesticated animals. The large sprawling examples at Bindon Hill and Bathampton Down are more than 50 acres (20  ha ). Even those that were defensive settlements in

9785-603: Was employed in later wars against the British to block British advances. Some of these fortifications were over a hundred yards long, with heavy parallel tree trunks. They were impervious to destruction by artillery fire. Behind these stockades, numerous Ashanti soldiers were mobilized to check enemy movement. While formidable in construction, many of these strongpoints failed because Ashanti guns, gunpowder and bullets were poor, and provided little sustained killing power in defense. Time and time again British troops overcame or bypassed

9888-521: Was encircled by a fortified wall. The huge walls around the settlement, which were built very tall and with stone blocks which are 6 feet (1.8 m) high and 4.5 feet (1.4 m) thick, make it one of the earliest walled settlements in Europe but it is younger than the walled town of Sesklo in Greece from 6800 BC. Uruk in ancient Sumer ( Mesopotamia ) is one of the world's oldest known walled cities . The Ancient Egyptians also built fortresses on

9991-435: Was found. Exceptions were few—notably, ancient Sparta and ancient Rome did not have walls for a long time, choosing to rely on their militaries for defence 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 . In ancient Greece , large stone walls had been built in Mycenaean Greece , such as

10094-673: Was known for unrest and military activities, as well as power struggles between local aristocracy. Most of the Latvian hillforts were destroyed or abandoned during the Livonian Crusade in the 13th century, but some were still used in the 14th century. In total, there are about 470 hillforts in Latvia. The Lithuanian word for hillfort is piliakalnis (plural piliakalniai ), from pilis (=castle) and kalnas (=mountain, hill). Lithuania has hillforts dating from

10197-506: Was less strong, such as uninvaded Ireland and unsubdued northern Scotland, hillforts were still built and used for several more centuries. There are over 2,000 Iron Age hillforts known in Britain of which nearly 600 are in Wales. Danebury in Hampshire , is the most thoroughly investigated Iron Age hillfort in Britain, as well as the most extensively published. Cadbury Castle, Somerset

10300-505: Was much ignored after the downfall of the Nizams at the time of communist revolution in the late 1940s. Bhongir sits on a unique egg-shaped rock hill more than 500 feet high. The steps from the bottom of the hill to the top are still intact; at the beginning of the steps there is a Hanuman Temple with two entry points protected by huge rocks, so the fort was considered practically impregnable by invading armies. The splendid historical fort with

10403-478: Was published by Giovanni Battista Zanchi in 1554. Fortifications also extended in depth, with protected batteries for defensive cannonry, to allow them to engage attacking cannons to keep them at a distance and prevent them from bearing directly on the vulnerable walls. The result was star shaped fortifications with tier upon tier of hornworks and bastions , of which Fort Bourtange is an excellent example. There are also extensive fortifications from this era in

10506-503: Was reused in the Middle Ages, with a stone castle built there in the 13th century CE. Some Iron Age hillforts were also incorporated into medieval frontier earthworks. For example Offa's Dyke , a linear earthwork generally dated to the 9th century CE, makes use of the west and south-west ramparts of Llanymynech hillfort. Similarly the hillfort at Old Oswestry was incorporated into the early medieval Wat's Dyke . The Wansdyke

10609-568: Was usually sculpted for defensive purposes, with the top flattened and the natural slopes made steeper for defence. During the early years of Grand Duchy of Lithuania piliakalniai played a major role in conflicts with the Livonian Order and the Teutonic Knights . During this period the number of piliakalniai in use decreased, but those that remained had stronger fortifications. Two main defence lines developed: one along

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