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102-641: Conceived and built between 1451 and 1452 CE on the orders of Sultan Mehmed II , the complex was commissioned in preparation for a planned Ottoman siege on the then- Byzantine city of Constantinople , with the goal of cutting off maritime military and logistical relief that could potentially come to the Byzantines' aid by way of the Bosphorus Strait, hence the fortress's alternative name, "Boğazkesen", i.e. "Strait-cutter" Castle. Its older sister structure, Anadoluhisari ("Anatolian Fortress"), sits on

204-430: 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

306-521: 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

408-467: A kind of prince. The best of sultans was elected as khan by people at Kurultai . In a number of post-caliphal states under Mongol or Turkic rule, there was a feudal type of military hierarchy. These administrations were often decimal (mainly in larger empires), using originally princely titles such as khan , malik , amir as mere rank denominations. In the Persian empire , the rank of sultan

510-545: A museum. The Fatih Sultan Mehmet Bridge , named after the Ottoman Sultan that commissioned Rumelihisarı and conquered the city, is located close to the fortress, to the north. Rumelihisarı is open to public every day except Mondays from 9:00 to 16:30. The fortress was depicted on various Turkish banknotes during 1939–1986. Sultan Sultan ( / ˈ s ʌ l t ən / ; Arabic : سلطان sulṭān , pronounced [sʊlˈtˤɑːn, solˈtˤɑːn] )

612-413: 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

714-533: A new offensive immediately following his ascent to the throne in 1451. In response to the coronation of the ambitious young Sultan, Byzantine Emperor Constantine XI (1449–53), in a classic Byzantine diplomatic move threatened the Ottomans with another potential civil war by releasing Orhan (a pretender to the Ottoman throne). This move by the Byzantines was seen as pretext for war and thus Mehmed proceeded with

816-403: A powerful governor of a province within the caliphate. The adjectival form of the word is "sultanic", and the state and territories ruled by a sultan, as well as his office, are referred to as a sultanate ( سلطنة salṭanah ) . The term is distinct from king ( ملك malik ), though both refer to a sovereign ruler. The use of "sultan" is restricted to Muslim countries, where

918-591: 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

1020-735: A secondary and more macabre meaning; as boğaz not only means strait but also "throat" in Turkish. It was later renamed as Rumelihisarı, which means "Fortress on the Land of the Romans", i.e. Byzantine Europe, or the Balkan peninsula . A battalion of 400 Janissaries was stationed in the fortress, and large cannons were placed in the Halil Pasha Tower, the main tower on the waterfront. Having completed his fortresses, Mehmed proceeded to levy

1122-409: A toll on ships passing within reach of their cannon. A Venetian vessel ignoring signals to stop was sunk with a single shot and all the surviving sailors beheaded, except for the captain, who was impaled and mounted as a human scarecrow as a warning to further sailors on the strait. These cannons were later used until the second half of the 19th century to greet the sultan when he passed by sea. After

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1224-531: Is 21 m (69 ft) high, and has a 26.70 m (87.6 ft) diameter with 5.70 m (18.7 ft) thick walls. The space within each tower was divided up with wooden floors, each equipped with a furnace. Conical wooden roofs covered with lead originally crowned the towers, although these no longer survive today. The outer curtain walls of the fortress are 250 m (820 ft) long from north to south, and vary between 50 and 125 m (164 and 410 ft) long from east to west. The complex's total area

1326-459: Is 31,250 m (336,372 sq ft). The fortress had three main gates next to the main towers, one side gate and two secret gates for the arsenal and food cellars next to the southern tower. There were wooden houses for the soldiers and a small mosque , endowed by the Sultan at the time of construction. Only the minaret shaft remains of the original mosque, while the small masjid added in

1428-417: Is a military construction designed for 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

1530-426: Is a position with several historical meanings. Originally, it was an Arabic abstract noun meaning "strength", "authority", "rulership", derived from the verbal noun سلطة sulṭah , meaning "authority" or "power". Later, it came to be used as the title of certain rulers who claimed almost full sovereignty (i.e., not having dependence on any higher ruler) without claiming the overall caliphate , or to refer to

1632-561: 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

1734-443: Is also known as Fatih ("Conqueror") Tower after Sultan Mehmed II's cognomen . The large tower at the waterfront in the middle of the fortress, Halil Pasha Tower, is a dodecagonal prism, and also has 9 stories. It is 22 m (72 ft) high with a 23.30 m (76.4 ft) diameter, and walls measuring 6.50 m (21.3 ft) thick. The main tower in the south, Zağanos Pasha Tower, has only 8 stories. This cylindrical tower

1836-428: 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

1938-548: 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

2040-519: 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

2142-539: The Aghlabids and Tulunids . Towards the late 10th century, the term "sultan" begins to be used to denote an individual ruler with practically sovereign authority, although the early evolution of the term is complicated and difficult to establish. The first major figure to clearly grant himself this title was the Ghaznavid ruler Mahmud (r. 998–1030 CE) who controlled an empire over present-day Afghanistan and

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2244-548: The Anatolian (i.e. Asian ) banks of the Bosphorus; an older Ottoman fortress built between 1393 and 1394 by Sultan Bayezid I . Historically, there had been a Roman fortification at the hilltop where Rumelihisari was to be built, which had later been used as a prison by the Byzantines and Genoese . Later on, a monastery had been built there. Construction began on April 15, 1452. The structure's top-view plans represent

2346-598: The Black Sea , such as Caffa , Sinop and Amasra . The site for the new fortress was quickly decided to be the narrowmost point of the Bosphorus , where the strait is a mere 660 meters (2,170 ft) wide. This tall, hilltop site on the strait's European banks not only made for easier control of the waterway, but also had the advantage of being situated directly across the Anadoluhisarı ("Anatolian Fortress") on

2448-746: 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

2550-637: 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

2652-1205: 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

2754-586: 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)

2856-523: The Muslim community , their own political power clearly overshadowed the latter. This led to various Muslim scholars – notably Al-Juwayni and Al-Ghazali – attempting to develop theoretical justifications for the political authority of the Seljuk sultans within the framework of the formal supreme authority of the recognized caliphs. In general, the theories maintained that all legitimate authority derived from

2958-569: 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

3060-527: 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

3162-707: 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 ,

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3264-615: The Ottoman sultan ( Suleiman the Magnificent at the time) as the caliph and universal leader of all Muslims. This conflation of sultan and caliph became more clearly emphasized in the 19th century during the Ottoman Empire's territorial decline, when Ottoman authorities sought to cast the sultan as the leader of the entire Muslim community in the face of European ( Christian ) colonial expansion . As part of this narrative, it

3366-618: 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

3468-534: The Somali aristocrats , Malay nobles and the sultans of Morocco (such as the Alaouite dynasty founded in the 17th century). It was, however, not used as a sovereign title by Shi'a Muslim rulers. The Safavid dynasty of Iran , who controlled the largest Shi'a Muslim state of this era, mainly used the Persian title shah , a tradition which continued under subsequent dynasties. The term sultan , by contrast,

3570-529: The Sultanate of Women , as the position of main consort eroded over the course of the 17th century, with the main consort losing the title of "sultan", which was replaced by "kadin", a title related to the earlier "khatun". Henceforth, the mother of the reigning sultan was the only person of non imperial blood to carry the title "sultan". In Kazakh Khanate a Sultan was a lord from the ruling dynasty (a direct descendants of Genghis Khan ) elected by clans, i.e.

3672-634: 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 ,

3774-828: 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

3876-401: 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

3978-530: 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

4080-580: The Bosphorus was well known to the Ottomans, who had started in the late 14th century to harbor intentions of capturing the city of Constantinople as a new capital for their then-nascent Empire. In a previous Ottoman attempt to conquer the city, Sultan Murad II (1421–44, 1446–51) had encountered difficulties due to a blockade of the Bosphorus by the Byzantine fleet. Having learned the importance of maritime strategy from this earlier attempt, Sultan Mehmed II (1444–46, 1451–81), son of Murad II, started planning

4182-593: 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

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4284-641: 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

4386-466: The Magnificent )). The female leaders in Muslim history are correctly known as "sultanas". However, the wife of the sultan in the Sultanate of Sulu is styled as the "panguian" while the sultan's chief wife in many sultanates of Indonesia and Malaysia are known as "permaisuri", "Tunku Ampuan", "Raja Perempuan", or "Tengku Ampuan". The queen consort in Brunei especially is known as Raja Isteri with

4488-425: The Ottoman conception of sovereign power as family prerogative. Western tradition knows the Ottoman ruler as "sultan", but Ottomans themselves used "padişah" (emperor) or "hünkar" to refer to their ruler. The emperor's formal title consisted of "sultan" together with "khan" (for example, Sultan Suleiman Khan). In formal address, the sultan's children were also entitled "sultan", with imperial princes (Şehzade) carrying

4590-518: 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

4692-410: 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

4794-429: The caliph, but that it was delegated to sovereign rulers whom the caliph recognized. Al-Ghazali, for example, argued that while the caliph was the guarantor of Islamic law ( shari'a ), coercive power was required to enforce the law in practice and the leader who exercised that power directly was the sultan. The position of sultan continued to grow in importance during the period of the crusades , when leaders who held

4896-459: The conquest of Constantinople, the fortress served as a customs checkpoint. Rumelihisarı, designated to control the passage of ships through the strait, eventually lost its strategic importance when a second pair of fortresses was built farther up the Bosphorus, where the strait meets the Black Sea. In the 17th century, it was used as a prison, primarily for foreign prisoners of war . Rumelihisarı

4998-566: 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

5100-407: 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

5202-964: 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

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5304-490: 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

5406-528: The embassies of states that were at war with the Empire. After suffering extensive damage in the Great Earthquake of 1509 , the structure was repaired, and was used continuously until the late 19th century. Today, the fortress is a popular museum open to the public, and further acts as an open-air venue for seasonal concerts, art festivals, and special events. The necessity of a strategic fortress on

5508-728: 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

5610-400: 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

5712-408: 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

5814-418: 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

5916-504: 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

6018-405: 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,

6120-507: The initials of Mehmed and the Muhammad . Each one of the three main towers was named after the royal vizier who supervised its respective construction; Sadrazam Çandarlı Halil Pasha , who built the large tower next to the gate; Zağanos Pasha , who built the south tower; and Sarıca Pasha, who built the north tower. The Sultan himself personally inspected the activities on the site. The Rumelihisarı fortification has one small tower, three main towers, and thirteen small watchtowers placed on

6222-413: 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

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6324-402: 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,

6426-413: 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

6528-428: 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

6630-436: The mid-16th century has not survived. A new mosque has since been built in the grounds. Water was supplied to the fortress from a large cistern underneath the mosque and distributed through three wall-fountains, of which only one remains. Two inscriptive plaques are found attached to the walls. The fortress was initially called "Boğazkesen", literally meaning "Strait Cutter", referring to the Bosporus Strait . The name carries

6732-411: 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

6834-417: The opposite banks of the Bosporus, and the two fortresses worked in tandem during the final siege to throttle all naval traffic along the Bosphorus, thus helping the Ottomans achieve their goal of making the city of Constantinople (later renamed Istanbul) their new imperial capital in 1453. After the Ottoman conquest of the city, Rumelihisarı served as a customs checkpoint and occasional prison, notably for

6936-440: 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

7038-451: 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

7140-422: The plans of conquering the Constantinopole by first commissioning the construction of a large fortress that would be used to control all sea traffic along the Bosphorus, and would work together with the older Anadoluhisari (Anatolia Fortress) on the strait to prevent any possible maritime aid from reaching Constantinople during the final Ottoman siege of the city in 1453, particularly from Genoese colonies along

7242-409: 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

7344-745: The protection of the Mamluks and were still nominally recognized by the latter. However, from this time on they effectively had no authority and were not universally recognized across the Sunni Muslim world. As protectors of the line of the Abbasid caliphs, the Mamluks recognized themselves as sultans and the Muslim scholar Khalil al-Zahiri argued that only they could hold that title. Nonetheless, in practice, many Muslim rulers of this period were now using

7446-471: 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

7548-656: 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

7650-429: 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

7752-531: The rule of law. A notable example is Morocco , whose monarch changed his title from sultan to king in 1957. The word derives from the Arabic and Semitic root salaṭa "to be hard, strong". The noun sulṭān initially designated a kind of moral authority or spiritual power (as opposed to political power), and it is used in this sense several times in the Qur'an . In the early Muslim world , ultimate power and authority

7854-489: 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

7956-438: 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

8058-636: 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

8160-715: The surrounding region. Soon after, the Great Seljuks adopted this title after defeating the Ghaznavid Empire and taking control of an even larger territory which included Baghdad , the capital of the Abbasid caliphs . The early Seljuk leader Tughril Bey was the first leader to adopt the epithet "sultan" on his coinage . While the Seljuks acknowledged the caliphs in Baghdad formally as the universal leader of

8262-650: The title as well. Mongol rulers (who had since converted to Islam) and other Turkish rulers were among those who did so. The position of sultan and caliph began to blend together in the 16th century when the Ottoman Empire conquered the Mamluk Empire and became the indisputable leading Sunni Muslim power across most of the Middle East , North Africa , and Eastern Europe . The 16th-century Ottoman scholar and jurist, Ebüssuûd Mehmet Efendi , recognized

8364-559: The title before their given name, and imperial princesses carrying it after. For example: Şehzade Sultan Mehmed and Mihrimah Sultan , son and daughter of Suleiman the Magnificent. Like imperial princesses, the living mother and main consort of the reigning sultan also carried the title after their given names, for example: Hafsa Sultan , Suleiman's mother and first valide sultan , and Hürrem Sultan , Suleiman's chief consort and first haseki sultan . The evolving usage of this title reflected power shifts among imperial women, especially between

8466-404: The title carries religious significance, contrasting the more secular king , which is used in both Muslim and non-Muslim countries. Brunei , Malaysia and Oman are the only sovereign states which retain the title "sultan" for their monarchs. In recent years, the title has been gradually replaced by "king" by contemporary hereditary rulers who wish to emphasize their secular authority under

8568-456: The title of Pengiran Anak suffixed, should the queen consort also be a royal princess. These are generally secondary titles, either lofty 'poetry' or with a message, e.g.: By the beginning of the 16th century, the title sultan was carried by both men and women of the Ottoman dynasty and was replacing other titles by which prominent members of the imperial family had been known (notably khatun for women and bey for men). This usage underlines

8670-637: The title of "sultan" (such as Salah ad-Din and the Ayyubid dynasty ) led the confrontation against the crusader states in the Levant . Views about the office of the sultan further developed during the crisis that followed the destruction of Baghdad by the Mongols in 1258, which eliminated the remnants of Abbasid political power. Henceforth, the surviving descendants of the Abbasid caliphs lived in Cairo under

8772-485: 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

8874-441: The walls connecting the main towers. One watchtower is in the form of a quadrangular prism , six watchtowers are shaped as prisms with multiple corners, and six others are cylindrical. The main tower in the north, Sarıca Pasha Tower, is cylindrical in form, with a diameter of 23.30 m (76.4 ft), walls that are 7 m (23 ft) thick, and a total of 9 stories reaching a height of 28 m (92 ft). Today, this tower

8976-499: 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

9078-559: 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

9180-410: 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

9282-634: 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

9384-430: 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

9486-516: Was claimed that when Sultan Selim I captured Cairo in 1517, the last descendant of the Abbasids in Cairo formally passed on the position of caliph to him. This combination thus elevated the sultan's religious or spiritual authority, in addition to his formal political authority. During this later period, the title of sultan was still used outside the Ottoman Empire as well, as with the examples of

9588-658: 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

9690-521: 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

9792-435: 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

9894-465: Was mainly given to provincial governors within their realm. A feminine form of sultan , used by Westerners, is sultana or sultanah and this title has been used legally for some (not all) Muslim women monarchs and sultan's mothers and chief consorts. However, Turkish and Ottoman Turkish also uses sultan for imperial lady, as Turkish grammar uses the same words for both women and men (such as Hurrem Sultan and Sultan Suleiman Han ( Suleiman

9996-528: Was partly destroyed by an earthquake in 1509 but was repaired soon after. In 1746, a fire destroyed all the wooden parts in two of the main towers. The fortress was repaired by Sultan Selim III (1761–1807). However, a new residential neighborhood was formed inside the fortress after it was abandoned in the 19th century. In 1953, on the orders of President Celal Bayar , the inhabitants were relocated and extensive restoration work began on 16 May 1955, which lasted until 29 May 1958. Since 1960 Rumelihisarı has been

10098-478: 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

10200-630: Was roughly equivalent to that of a modern-day captain in the West; socially in the fifth-rank class, styled ' Ali Jah . Apparently derived from the Arabic malik , this was the alternative native style of the sultans of the Kilwa Sultanate in Tanganyika (presently the continental part of Tanzania). Mfalume is the (Ki) Swahili title of various native Muslim rulers, generally rendered in Arabic and in western languages as Sultan: This

10302-599: Was the native ruler's title in the Tanzanian state of Uhehe. In Indonesia (formerly in the Dutch East Indies ): In Malaysia : In Brunei : In China : In the Philippines : In Thailand : Sultans of sovereign states Sultans in federal monarchies Sultan with power within republics Fortification A fortification (also called a fort , fortress , fastness , or stronghold )

10404-495: Was theoretically held by the caliph, who was considered the leader of the caliphate. The increasing political fragmentation of the Muslim world after the 8th century, however, challenged this consensus. Local governors with administrative authority held the title of amīr ( أمير , traditionally "commander" or " emir ", later also "prince") and were appointed by the caliph, but in the 9th century some of these became de facto independent rulers who founded their own dynasties, such as

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