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81-787: The Kangra Fort is a historic fort located in the Kangra district of the Himachal Pradesh state in India. The fort is also known as 'Nagarkot' and 'Kot Kangra'. This fort stands on a hillock between two rivers (Manjhi and Banganga), among the foothills of the Dhauladhar range. The fort is the largest in the Indian Himalayas , and is under the protection of the Archeological Survey of India . The Kangra Fort

162-430: 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

243-803: A charge onto the Ganesh Valley, Sikhs conquered the Kangra Fort and fired their superior artillery onto the Gurkhas, massacring them in the thousands. Their bow and arrows could not match to the Sikh cannons, after the gunpowder had finished, 2,000 Sikh cavalrymen attacked the Gurkhas. The remaining forces of Nain Singh Thapa arrived at Guler Fort. The violence ended after some time. The Maharaja finding an opportune time to drive them out of Guler launched an attack and occupied their positions about

324-521: 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

405-615: A mile (1.06 km.) in front of the fort. A pitched battle ensued. The Gurkhas fought dauntlessly but they had to retreat. Thereafter, they gave a pitched battle near the Satluj where most Gurkhas retreat. After both side suffered heavy losses, Nepalese retreat from Kangara to the Arki Fort , In exchange for the Sikhs to end eastward expansion past Sangla , which had been where the Gurkhas had retreated past due to Sikh borders encompassing

486-413: 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

567-591: 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

648-598: A series of straight lines creating the central fortified area that gives this style of fortification its name. Nepal%E2%80%93Sikh War The Nepal–Sikh war was a small conflict in 1809 between the forces of the Western Province of Kingdom of Nepal under General Amar Singh Thapa and the Sikh Empire under Maharaja Ranjit Singh . The confrontation between Nepal and the Sikhs had its genesis in

729-561: 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

810-628: Is also the oldest fort in the Himalayas and, according to Indian mythology , has a legendary history spanning approximately 4,000 years. The Kangra Fort is located 20 kilometers (12 mi) from the town of Dharamsala on the outskirts of the town of Kangra , in the Kangra district. Kangra Fort was built by the Katoch Dynasty of the Rajputs . The earliest still existing remains inside

891-428: 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

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972-548: 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

1053-519: 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

1134-412: Is now flanked by defaced statues of River Goddesses Ganga and Yamuna gave access to a courtyard, along the south side of which stood the stone shrines of Lakshmi-Narayana and Ambika Devi and a Svetambara Jain temple with large idol of Rishabhanatha . Fortification A fortification (also called a fort , fortress , fastness , or stronghold ) is a military construction designed for

1215-694: 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

1296-1205: 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

1377-586: 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)

1458-569: 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

1539-527: 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

1620-707: 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 ,

1701-618: 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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1782-634: 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 ,

1863-828: 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

1944-401: 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

2025-530: 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

2106-466: The Gurkha army had been closed by the Sikhs. They waited for ammunition and food of the Gurkhas to run out and after a few weeks the Gurkhas started eating their horses and camels, most Gurkha soldiers died in battle. The Gurkhas in their mad frenzy of their 'last fight' before death madly ran into the muzzles of the Sikh forces, unplanned. After a month of starvation and bad conditions the Gurkhas made

2187-572: The Gurkhas were defeated and forced back to the satluj River. In return for his help, Maharaja Ranjit Singh took possession of the ancient fort alongside 66 villages (the fort's ancient Jagir) on Aug 24, 1809 while leaving the rest of Kangra to Sansar Chand. The fort was finally taken by the British during the First Anglo-Sikh war after a six-week long siege. This siege was fought from mid-April to 28 May 1846. Sir Henry Lawrence reached

2268-593: 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

2349-641: 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

2430-486: The Kangra expedition in March 1809 and directed him to reach Phillaur. After the settlement of affairs with the British government, Maharaja Ranjit Singh again turned his attention towards Kangra. The Gurkha general Amar Singh Thapa had been at war for quite some time with Raja Sansar Chand in the Kangra valley and had besieged the fort of Kangra. Sansar Chand lost hope for life. Therefore, he sent his brother, Krishan Chand to

2511-471: The Maharaja to seek help. The Maharaja demanded the possession of the fort of Kangra in return for help; to which Sansar Chand agreed. The Maharaja set-out with full preparations and reached Kangra accompanied by a large army by the end of May. All the feudal chiefs were present with their respective militias. According to Munshi Sohan Lal's estimate, there were about ten thousand irregular horse and foot with

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2592-566: The Nepalese at that time. The hill Chiefs who were well- acquainted with the routes of the hilly terrain were ordered to block all passages so as to stop all means of procurement of provisions and equipment for the Gorkha army. Amar Singh Thapa sent a letter to Maharaja Ranjit Singh asking him to surrender and let them keep the fort from his forces and let the Gurkhas capture Kashmir. Ranjit Singh did not accept. The next morning, supply routes of

2673-552: The Punjab. Sansar Chand quickly focused on expanding his kingdom and conquered the nearby kingdoms of Chamba , Mandi, Suket and Nahan. In 1805 he turned his attention to Bilaspur and the then Raja of Bilaspur called on the aid of the powerful Gurkha kingdom, who had already acquired Garhwal , Sirmour and other small hill states of Shimla . An army of 40,000 Gurkhas leading by the Kaji Amar Singh Thapa , who

2754-576: The Sikh leader, Jai Singh Kanhaiya of the Kanhaiya Misl in return for safe passage. This betrayal by Jai Singh Kanhaiya led to Raja Sansar Chand soliciting the services of Sikh misaldars Maha Singh of the Sukerchakia Misl (father of Maharaja Ranjit Singh ) and Jassa Singh Ramgarhia and besieged the fort. In 1786, Raja Sansar Chand gained Kangra fort by peaceful treaty with Jai Singh Kanhaiya in return for territorial concessions in

2835-658: The Sutlej, was put under siege. By early 1809, most of the land of Kangra jagir had been incorporated into Nepal, although the fort still held out. Raja Sansar Chand of Kangra took refuge among the Sikhs in the Punjab . At first, the Sikh Maharaja Ranjit Singh was reluctant to assist the ruler of Kangra, but a Nepalese push towards the Kashmir Valley changed his mind. Kashmir

2916-518: 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

2997-410: 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

3078-566: 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

3159-407: 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

3240-964: 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

3321-490: 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

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3402-488: The defense of territories in warfare , and is used to establish rule in a region during peacetime . The term is derived from Latin fortis ("strong") and facere ("to make"). 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 the Indus Valley Civilization were

3483-532: The entrance. From here a long and narrow passage leads up to the top of the fort, through the Ahani and Amiri Darwaza (gate), both attributed to Nawab Saif Ali Khan, the first Mughal Governor of Kangra. About 500 feet from the outer gate the passage turns round at a very sharp angle and passes through the Jehangiri Darwaza . The area Kangra Fort is spread across 463 acres . The Darsani Darwaza , which

3564-728: 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

3645-408: The expansionist policy of the Nepalese mukhtiyar (head of government) Bhimsen Thapa . The Kumaon Kingdom having been incorporated into Nepal in 1791, he endeavoured to add the hill country to its west as far as the river Sutlej . This expedition was entrusted to the Kaji Amar Singh Thapa , who was later reinforced by the Kaji Nain Singh Thapa . In 1807, Kangra Fort , on the west bank of

3726-400: 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

3807-405: 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

3888-414: The fort are Jain and Brahminical temples dated to c. 9-10 century A.D. The earliest recorded reference to the Kangra fort dates from the time of this fort's invasion by Mahmud Ghazni in 1009 A.D. The fort was captured by Muhammad bin Tughluq in 1337 A.D., and by his successor Firuz Shah Tughluq in 1351 A.D. respectively. Khawas Khan Marwat, a superior General of Sher Shah Suri , managed to capture

3969-476: The fort in 1540 AD. Raja Dharam Chand submitted to the Mughal Ruler Akbar in 1556 and agreed to pay tribute, including, renouncing claims to the fort. But in 1620, Emperor Jahangir , killed that Katoch king, Raja Hari Chand and annexed the Kangra kingdom into the Mughal Empire . Under the leadership of Nawab Ali Khan and aided by Raja Jagat Singh , the fort was captured in 1620 and remained under Mughal rule until 1783. In 1621, Jahangir visited it and ordered

4050-439: The fort on 3 May 1846. This was the only battle fought between the Sikh forces of Kangra and the British. The British controlled the valley after defeating them and the fort. A British garrison occupied the fort until it was heavily damaged in an earthquake on 4 April 1905 . The entrance to the fort is through a small courtyard enclosed between two gates which were built during the Sikh period, as appears from an inscription over

4131-408: 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

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4212-418: 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

4293-504: 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

4374-405: 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,

4455-413: 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

4536-402: 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,

4617-413: 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

4698-428: 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

4779-411: 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

4860-440: 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

4941-451: 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

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5022-409: 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

5103-471: 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

5184-468: 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

5265-429: 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

5346-405: The slaughter of a bullock there. A mosque was also built within the fort of Kangra . As the Mughal empire began to crumble, a descendant of Raja Dharam Chand, Raja Sansar Chand II began a series of conquests of Kangra with the support of Sikh leader, Jai Singh Kanhaiya of the Kanhaiya misl. However, after the death of Mughal governor Saif Ali Khan, the fort was surrendered in 1783 by his son to

5427-435: 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

5508-438: 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

5589-525: 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

5670-405: 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

5751-499: 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

5832-559: 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

5913-410: 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

5994-634: 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

6075-430: 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

6156-558: Was effectively an independent territory, riven by Afghan factions and coveted by both Sikhs and Gurkhas. The Sikh ruler dispatched a force which raised the siege of Kangra on 24 August 1809 and forced the Gurkha forces back across the Sutlej. Ranjit Singh then sent a proposal to Amar Singh Thapa to make the Sutlej the boundary between their states. Thapa forwarded the proposal to the Kathmandu Durbar , but Bhimsen Thapa rejected that. The Maharaja recalled Diwan Mohkam Chand from

6237-603: 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

6318-521: 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

6399-501: 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

6480-530: Was later reinforced by the Kaji Nain Singh Thapa . In 1807, Kangra Fort, on the west bank of the Sutlej, was put under siege. By early 1809, most of the land of Kangra jagir had been incorporated into Nepal, although the fort still held out. Raja Sansar Chand of Kangra then turned towards Maharaja Ranjit Singh of Lahore for aid, leading to the Nepal-Sikh war of 1809 in which

6561-478: 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

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