1.
Fortification
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Fortifications are military constructions or buildings designed for the defense of territories in warfare, and also used to solidify rule in a region during peace time. Humans have constructed defensive works for many thousands of years, in a variety of increasingly complex designs, the term is derived from the Latin fortis and facere. From very early history to modern times, walls have been a necessity for cities to survive in a changing world of invasion. Some settlements in 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. A Greek Phrourion was a collection of buildings used as a military garrison. These construction mainly served the purpose of a tower, to guard certain roads, passes. Though smaller than a fortress, they acted as a border guard rather than a real strongpoint to watch. The art of setting out a camp or constructing a fortification traditionally has been called castramentation since the time of the Roman legions. Fortification is usually divided into two branches, permanent fortification and field fortification, there is also an intermediate branch known as semi-permanent fortification. Castles are fortifications which are regarded as being distinct from the fort or fortress in that they are a residence of a monarch or noble. Roman forts and hill forts were the antecedents of castles in Europe. The Early Middle Ages saw the creation of towns built around castles. Medieval-style fortifications were 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, Walls exposed to direct cannon fire were very vulnerable, so were sunk into ditches fronted by earth slopes. The arrival of explosive shells in the 19th century led to yet another stage in the evolution of fortification, steel-and-concrete fortifications were common during the 19th and early 20th centuries. However the advances in warfare since World War I have made large-scale fortifications obsolete in most situations. Demilitarized zones along borders are arguably another type of fortification, although a passive kind, many military installations are known as forts, although they are not always fortified. Larger forts may be called fortresses, smaller ones were known as fortalices
2.
Town
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A town is a human settlement larger than a village but smaller than a city. The size definition for what constitutes a town varies considerably in different parts of the world, the word town shares an origin with the German word Zaun, the Dutch word tuin, and the Old Norse tun. The German word Zaun comes closest to the meaning of the word. An early borrowing from Celtic *dunom, in English and Dutch, the meaning of the word took on the sense of the space which these fences enclosed. In England, a town was a community that could not afford or was not allowed to build walls or other larger fortifications. In the Netherlands, this space was a garden, more specifically those of the wealthy, in Old Norse tun means a place between farmhouses, and is still used in a similar meaning in modern Norwegian. If there was any distinction between toun and burgh as claimed by some, it did not last in practice as burghs, for example, Edina Burgh or Edinburgh was built around a fort and eventually came to have a defensive wall. In some cases, town is a name for city or village. Sometimes, the town is short for township. A places population size is not a determinant of urban character. In many areas of the world, as in India at least until recent times, in the United Kingdom, there are historical cities that are far smaller than the larger towns. Some forms of settlement, such as temporary mining locations, may be clearly non-rural. Towns often exist as governmental units, with legally defined borders. In the United States these are referred to as incorporated towns, in other cases the town lacks its own governance and is said to be unincorporated. Note that the existence of a town may be legally set forth through other means. In the case of planned communities, the town exists legally in the form of covenants on the properties within the town. Australian geographer Thomas Griffith Taylor proposed a classification of towns based on their age, although there is no official use of the term for any settlement. In Albanian qytezë means small city or new city, while in ancient times small residential center within the walls of a castle
3.
Military
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The armed forces of a country are its government-sponsored defense, fighting forces, and organizations. They exist to further the foreign and domestic policies of their body and to defend that body. Armed force is the use of armed forces to achieve political objectives, the study of the use of armed forces is called military science. Broadly speaking, this involves considering offense and defense at three levels, strategy, operational art, and tactics, all three levels study the application of the use of force in order to achieve a desired objective. In most countries the basis of the forces is the military. However, armed forces can include other paramilitary structures, the obvious benefit to a country in maintaining armed forces is in providing protection from foreign threats and from internal conflict. In recent decades armed forces personnel have also used as emergency civil support roles in post-disaster situations. On the other hand, they may harm a society by engaging in counter-productive warfare. Expenditure on science and technology to develop weapons and systems sometimes produces side benefits, although some claim that greater benefits could come from targeting the money directly
4.
Siege
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A siege is a military blockade of a city or fortress with the intent of conquering by attrition or assault. This derives from sedere, Latin for to sit, Siege warfare is a form of constant, low-intensity conflict characterized by one party holding a strong, static defensive position. Consequently, an opportunity for negotiation between combatants is not uncommon, as proximity and fluctuating advantage can encourage diplomacy, a siege occurs when an attacker encounters a city or fortress that cannot be easily taken by direct assault and refuses to surrender. Failing a military outcome, sieges can often be decided by starvation, thirst, or disease and this form of siege, though, can take many months or even years, depending upon the size of the stores of food the fortified position holds. During the process of circumvallation, the force can be set upon by another force of enemies due to the lengthy amount of time required to starve a position. During the Warring States era of ancient China, there is textual and archaeological evidence of prolonged sieges and siege machinery used against the defenders of city walls. Siege machinery was also a tradition of the ancient Greco-Roman world, during the Renaissance and the early modern period, siege warfare dominated the conduct of war in Europe. Leonardo da Vinci gained as much of his renown from the design of fortifications as from his artwork, Medieval campaigns were generally designed around a succession of sieges. In the Napoleonic era, increasing use of more powerful cannon reduced the value of fortifications. In the 20th century, the significance of the classical siege declined, with the advent of mobile warfare, a single fortified stronghold is no longer as decisive as it once was. Modern sieges are more commonly the result of smaller hostage, militant, the Assyrians deployed large labour forces to build new palaces, temples, and defensive walls. Some settlements in the Indus Valley Civilization were also fortified, by about 3500 BC, hundreds of small farming villages dotted the Indus River floodplain. Many of these settlements had fortifications and planned streets, mundigak in present-day south-east Afghanistan has defensive walls and square bastions of sun-dried bricks. City walls and fortifications were essential for the defence of the first cities in the ancient Near East, the walls were built of mudbricks, stone, wood, or a combination of these materials, depending on local availability. They may also have served the purpose of showing presumptive enemies the might of the kingdom. The great walls surrounding the Sumerian city of Uruk gained a widespread reputation, the walls were 9.5 km in length, and up to 12 m in height. Later, the walls of Babylon, reinforced by towers, moats, in Anatolia, the Hittites built massive stone walls around their cities atop hillsides, taking advantage of the terrain. In Shang Dynasty China, at the site of Ao, large walls were erected in the 15th century BC that had dimensions of 20 m in width at the base and enclosed an area of some 2,100 yards squared
5.
Blockade
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A blockade is an effort to cut off supplies, war material or communications from a particular area by force, either in part or totally. A blockade should not be confused with an embargo or sanctions and it is also distinct from a siege in that a blockade is usually directed at an entire country or region, rather than a fortress or city. While most blockades historically took place at sea, blockade is still used on land to prevent someone coming into a certain area. A blockading power can seek to cut off all maritime transport from and to the country, although stopping all land transport to. Blockades restrict the rights of neutrals, who must submit for inspection for contraband. In the 20th century air power has also used to enhance the effectiveness of the blockade by halting air traffic within the blockaded airspace. Close patrol of hostile ports, in order to prevent naval forces from putting to sea, is referred to as a blockade. When coastal cities or fortresses were besieged from the landward side, most recently, blockades have sometimes included cutting off electronic communications by jamming radio signals and severing undersea cables. Following the British naval victory at Quiberon Bay, which ended any hope of a major invasion of the British Isles. This began to starve French ports of commerce, further weakening Frances economy, hawke took command of the blockading fleet off Brest and extended the blockade of the French coast from Dunkirk to Marseilles. The British were able to take advantage of the Navys position to develop plans for landings on the coast. However, these plans were abandoned, due to the formidable logistical challenge this would have posed. The Union blockade of ports was a major factor in the American Civil War, as was the failure of the U-boat blockade in World War I. Julian Corbett and Admiral Mahan emphasized that naval operations were chiefly to be won by decisive battles, a close blockade entails placing warships within sight of the blockaded coast or port, to ensure the immediate interception of any ship entering or leaving. It is both the most effective and the most difficult form of blockade to implement, in a distant blockade, the blockaders stay well away from the blockaded coast and try to intercept any ships going in or out. This may require more ships on station, but they can usually operate closer to their bases and this was almost impossible prior to the 16th century due to the nature of the ships used. A loose blockade is a close blockade where the ships are withdrawn out of sight from the coast. The object of loose blockade is to lure the enemy into venturing out, British admiral Horatio Nelson applied a loose blockade at Cádiz in 1805
6.
Defensive wall
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A defensive wall is a fortification used to protect a city, town or other settlement from potential aggressors. In ancient to modern times, they were used to enclose settlements, beyond their defensive utility, many walls also had important symbolic functions – representing the status and independence of the communities they embraced. Existing ancient walls are almost always masonry structures, although brick, depending on the topography of the area surrounding the city or the settlement the wall is intended to protect, elements of the terrain may be incorporated in order to make the wall more effective. Walls may only be crossed by entering the city gate and are often supplemented with towers. Simpler defensive walls of earth or stone, thrown up around hillforts, ringworks, early castles, from very early history to modern times, walls have been a near necessity for every city. Uruk in ancient Sumer is one of the worlds oldest known walled cities, before that, the city of Jericho in what is now the West Bank had a wall surrounding it as early as the 8th millennium BC. The Assyrians deployed large labour forces to build new palaces, temples, some settlements in the Indus Valley Civilization were also fortified. By about 3500 B. C. hundreds of small farming villages dotted the Indus floodplain, many of these settlements had fortifications and planned streets. Mundigak in present-day south-east Afghanistan has defensive walls and square bastions of sun dried bricks, babylon was one of the most famous cities of the ancient world, especially as a result of the building program of Nebuchadnezzar, who expanded the walls and built the Ishtar Gate. Exceptions were few — notably, ancient Sparta and ancient Rome did not have walls for a long time, 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 Central Europe, the Celts built large fortified settlements which the Romans called oppida, the fortifications were continuously expanded and improved. In ancient Greece, large stone walls had been built in Mycenaean Greece, in classical era Greece, the city of Athens built a long set of parallel stone walls called the Long Walls that reached their guarded seaport at Piraeus. Large tempered earth walls were built in ancient China since the Shang Dynasty, although stone walls were built in China during the Warring States, mass conversion to stone architecture did not begin in earnest until the Tang Dynasty. The large walls of Pingyao serve as one example, likewise, the famous walls of the Forbidden City in Beijing were established in the early 15th century by the Yongle Emperor. 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 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, apart from these, the early Middle Ages also saw the creation of some towns built around castles. These cities were only protected by simple stone walls and more usually by a combination of both walls and ditches. From the 12th century AD hundreds of settlements of all sizes were founded all across Europe and these cities are easy to recognise due to their regular layout and large market spaces
7.
Trench warfare
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The most famous use of trench warfare is the Western Front in World War I. It has become a byword for stalemate, attrition, sieges, Trench warfare occurred when a revolution in firepower was not matched by similar advances in mobility, resulting in a grueling form of warfare in which the defender held the advantage. On the Western Front in 1914–18, both sides constructed elaborate trench and dugout systems opposing each other along a front, protected from assault by barbed wire, mines, the area between opposing trench lines was fully exposed to artillery fire from both sides. Attacks, even if successful, often sustained severe casualties, with the development of armoured warfare, emphasis on trench warfare has declined, but still occurs where battle-lines become static. Field works are as old as armies, Roman legions, when in the presence of an enemy, entrenched camps nightly when on the move. In the early modern era they were used to block possible lines of advance and they played a pivotal role in manoeuvring that took place before the Battle of Blenheim. The lines were captured by the French in 1707 and demolished, the French built the 19-kilometre-long Lines of Weissenburg during the War of the Spanish Succession under the orders of the Duke of Villars in 1706. These were to remain in existence for just over 100 years and were last manned during Napoleons Hundred Days, the French built the Lines of Ne Plus Ultra during the winter of 1710–1711, which have been compared to the trenches of World War I. They ran from Arras to Cambrai and Valenciennes where they linked up with existing defensive lines fronted by the river Sambre and they were breached in the 1711 campaign season by the Duke of Marlborough through a magnificent piece of manoeuvring. During the Peninsular War, the British and Portuguese constructed the Lines of Torres Vedras in 1809 and 1810, nor were fortifications restricted to European powers. British casualty rates of up to 45 percent, such as at the Battle of Ohaeawai in 1845, proved contemporary firepower was insufficient to dislodge defenders from a trench system. Fundamentally, as the range and rate of fire of rifled small arms increased and this was only made more lethal by the introduction of rapid-firing artillery, exemplified by the French 75, and high explosive fragmentation rounds. The increases in firepower had outstripped the ability of infantry to cover the ground between firing lines, and the ability of armour to withstand fire and it would take a revolution in mobility to change that. Trench warfare is associated with the First World War of 1914–18. Both sides concentrated on breaking up attacks and on protecting their own troops by digging deep into the ground. Trench warfare was conducted on other fronts, including Italy. Trench warfare has become a symbol of the futility of war. To the French, the equivalent is the attrition of the Battle of Verdun in which the French Army suffered 380,000 casualties, Trench warfare is associated with mass slaughter in appalling conditions
8.
Siege of Groenlo (1627)
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For other sieges of the town see Siege of Groenlo. The Spanish army led by Hendrik van den Bergh came to relieve Grol, the siege lasted from 20 July until 19 August 1627, resulting in the surrender of the city to the army of the United Provinces. During the siege, a 16 kilometer long line was made around Grol in order to prevent the enemy from leaving. The success at Grol provided the first serious victory on land for the Republic after the Twelve Years Truce, even though it was only a small city, Grol was of military strategic importance. Grol was a trade center, well fortified and armed. The area around Grol was marshy and difficult to reach, maurice of Nassau had taken Grol in 1597, after an unsuccessful try in 1595, and Spinola retook it in 1606. Maurice tried to take Grol again, later during the year, again unsuccessful. Grol provided a place to garrison troops and a freehaven for Spanish raids. Heavy taxes and import duties were collected here from the whole of the Achterhoek and Veluwe, together with the fortified towns of Oldenzaal, Bredevoort and Lingen, Grol could provide a base for attacking the republic from the east. This is why the States-General chose to invest in an army to capture Grol, the Dutch Army of Frederic-Henry, totaling over 15,000 footmen and 4,000 cavalry, traveled by foot and boat via the Rhine and unloaded behind Emmerich. As was common practice in those days, the army consisted mainly of mercenaries from all over Europe, including Scottish, English, High-German, Frisian, the army arrived at Grol on 20 July 1627. Immediately all major leading to Grol were blocked by front runners of the cavalry. 1,000 carts brought gunpowder, bullets,75 guns, food, the next day, thousands of soldiers and hired workers began to speedily build a continuous earthen wall around Grol,10 feet high,16 kilometers long. Wooden and earthen ramparts, entrenchments and other fortifications were built along the line, guns were placed strategically so that the circumvallation line could be defended from all sides. The reach of the placed in Grol was taken into account. In just 10 days the work was done, though the circumvallation was continually reinforced during the siege, Frederic-Henry was aware that a large Spanish army was stationed in the south of the Netherlands, commanded by Hendrik van den Bergh. Neighbouring villages around Grol were taken by commanders to prevent the Spanish obtaining a foothold in the neighbourhood, sentries were placed all around the area and supply lines were set up to Deventer and Zutphen, to feed and supply the massive army now lying around Grol. Matthijs Dulken, a seasoned and wily commander, was the head of the Spanish army occupying Grol and he had available to him 1,200 foot soldiers and around 100 cavalry, commanded by Lambert Verreyken
9.
Thucydides
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Thucydides was an Athenian historian and general. His History of the Peloponnesian War recounts the 5th century BC war between Sparta and Athens to the year 411 BC and his text is still studied at both universities and military colleges worldwide. The Melian dialogue remains a work of international relations theory while Pericles Funeral Oration is widely studied in political theory, history. More generally, Thucydides showed an interest in developing an understanding of nature to explain behaviour in such crises as plague, massacres, as in that of the Melians. In spite of his stature as a historian, modern historians know relatively little about Thucydidess life, the most reliable information comes from his own History of the Peloponnesian War, which expounds his nationality, paternity and native locality. Thucydides informs us that he fought in the war, contracted the plague and was exiled by the democracy and he may have also been involved in quelling the Samian Revolt. Thucydides identifies himself as an Athenian, telling us that his fathers name was Olorus and he survived the Plague of Athens that killed Pericles and many other Athenians. He also records that he owned gold mines at Scapte Hyle, because of his influence in the Thracian region, Thucydides wrote, he was sent as a strategos to Thasos in 424 BC. During the winter of 424–423 BC, the Spartan general Brasidas attacked Amphipolis, eucles, the Athenian commander at Amphipolis, sent to Thucydides for help. Thus, when Thucydides arrived, Amphipolis was already under Spartan control, Amphipolis was of considerable strategic importance, and news of its fall caused great consternation in Athens. It was blamed on Thucydides, although he claimed that it was not his fault, using his status as an exile from Athens to travel freely among the Peloponnesian allies, he was able to view the war from the perspective of both sides. During his exile from Athens, Thucydides wrote his most famous work History of the Peloponnesian War, because he was in exile during this time, he was free to speak his mind. This is all that Thucydides wrote about his own life, but a few facts are available from reliable contemporary sources. Herodotus wrote that the name Olorus, Thucydidess fathers name, was connected with Thrace, Thucydides was probably connected through family to the Athenian statesman and general Miltiades, and his son Cimon, leaders of the old aristocracy supplanted by the Radical Democrats. Cimons maternal grandfathers name was also Olorus, making the connection exceedingly likely, another Thucydides lived before the historian and was also linked with Thrace, making a family connection between them very likely as well. Finally, Herodotus confirms the connection of Thucydidess family with the mines at Scapté Hýlē, in essence, he was a well-connected gentleman of considerable resources who, by then retired from the political and military spheres, decided to fund his own historical project. The remaining evidence for Thucydidess life comes from rather less reliable later ancient sources, pausanias goes on to say that Thucydides was murdered on his way back to Athens. Many doubt this account, seeing evidence to suggest he lived as late as 397 BC, Plutarch claims that his remains were returned to Athens and placed in Cimons family vault
10.
Julius Caesar
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Gaius Julius Caesar, known as Julius Caesar, was a Roman politician, general, and notable author of Latin prose. He played a role in the events that led to the demise of the Roman Republic. In 60 BC, Caesar, Crassus, and Pompey formed an alliance that dominated Roman politics for several years. Their attempts to power as Populares were opposed by the Optimates within the Roman Senate. Caesars victories in the Gallic Wars, completed by 51 BC, extended Romes territory to the English Channel, Caesar became the first Roman general to cross both the Channel and the Rhine, when he built a bridge across the Rhine and crossed the Channel to invade Britain. These achievements granted him unmatched military power and threatened to eclipse the standing of Pompey, with the Gallic Wars concluded, the Senate ordered Caesar to step down from his military command and return to Rome. Caesar refused the order, and instead marked his defiance in 49 BC by crossing the Rubicon with the 13th Legion, leaving his province, Civil war resulted, and Caesars victory in the war put him in an unrivalled position of power and influence. After assuming control of government, Caesar began a programme of social and governmental reforms and he centralised the bureaucracy of the Republic and was eventually proclaimed dictator in perpetuity, giving him additional authority. But the underlying political conflicts had not been resolved, and on the Ides of March 44 BC, a new series of civil wars broke out, and the constitutional government of the Republic was never fully restored. Caesars adopted heir Octavian, later known as Augustus, rose to power after defeating his opponents in the civil war. Octavian set about solidifying his power, and the era of the Roman Empire began, much of Caesars life is known from his own accounts of his military campaigns, and from other contemporary sources, mainly the letters and speeches of Cicero and the historical writings of Sallust. The later biographies of Caesar by Suetonius and Plutarch are also major sources, Caesar is considered by many historians to be one of the greatest military commanders in history. Caesar was born into a family, the gens Julia. The cognomen Caesar originated, according to Pliny the Elder, with an ancestor who was born by Caesarean section. The Historia Augusta suggests three alternative explanations, that the first Caesar had a head of hair, that he had bright grey eyes. Caesar issued coins featuring images of elephants, suggesting that he favored this interpretation of his name, despite their ancient pedigree, the Julii Caesares were not especially politically influential, although they had enjoyed some revival of their political fortunes in the early 1st century BC. Caesars father, also called Gaius Julius Caesar, governed the province of Asia and his mother, Aurelia Cotta, came from an influential family. Little is recorded of Caesars childhood, in 85 BC, Caesars father died suddenly, so Caesar was the head of the family at 16
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