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Kız Kulesi
__NOTOC__ The Maiden's Tower ( tr, Kız Kulesi), also known as Leander's Tower (''Tower of Leandros'') since the medieval Byzantine period, is a tower on a small islet at the southern entrance of the Bosphorus strait, from the coast of Üsküdar in Istanbul, Turkey. The tower appeared on the reverse of the Turkish 10 lira banknote from 1966 to 1981. History After the naval victory at Cyzicus, in 408 BC the Athenian general Alcibiades probably built a custom station for ships coming from the Black Sea on a small rock in front of Chrysopolis (today's Üsküdar).Müller-Wiener (1976), p. 334 In 1110 Byzantine Emperor Alexius Comnenus built a wooden tower protected by a stone wall. From the tower an iron chain stretched across to another tower erected on the European shore, at the quarter of Mangana in Constantinople. The islet was then connected to the Asiatic shore through a defense wall, whose underwater remains are still visible. During the Ottoman conquest of Con ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
CONSISTENCY
In classical deductive logic, a consistent theory is one that does not lead to a logical contradiction. The lack of contradiction can be defined in either semantic or syntactic terms. The semantic definition states that a theory is consistent if it has a model, i.e., there exists an interpretation under which all formulas in the theory are true. This is the sense used in traditional Aristotelian logic, although in contemporary mathematical logic the term ''satisfiable'' is used instead. The syntactic definition states a theory T is consistent if there is no formula \varphi such that both \varphi and its negation \lnot\varphi are elements of the set of consequences of T. Let A be a set of closed sentences (informally "axioms") and \langle A\rangle the set of closed sentences provable from A under some (specified, possibly implicitly) formal deductive system. The set of axioms A is consistent when \varphi, \lnot \varphi \in \langle A \rangle for no formula \varphi. If there e ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Battle Of Cyzicus
The naval Battle of Cyzicus (Greek: ) took place in May or June 410 BC during the Peloponnesian War. During the battle, an Athenian fleet commanded by Alcibiades, Thrasybulus, and Theramenes routed and destroyed a Spartan fleet commanded by Mindarus. The victory allowed Athens to recover control over a number of cities in the Hellespont over the next year. In the wake of their defeat, the Spartans made a peace offer, which the Athenians rejected. Prelude Athens had been debilitated after the Sicilian expedition and its hold on the Hellespont had loosened with Persian support now behind Sparta. Cyzicus revolted from Athens in the summer of 411, but had been recovered by the Athenian fleet after the Battle of Cynossema. In the wake of the Athenian victory at Abydos in November 411 BC, the Spartan admiral Mindarus sent to Sparta for reinforcements and began working with the Persian satrap Pharnabazus to plan for a new offensive. The Athenians, meanwhile, were unable to follow thr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Watchtower
A watchtower or watch tower is a type of fortification used in many parts of the world. It differs from a regular tower in that its primary use is military and from a turret in that it is usually a freestanding structure. Its main purpose is to provide a high, safe place from which a sentinel or guard may observe the surrounding area. In some cases, non-military towers, such as religious towers, may also be used as watchtowers. History Military watchtowers The Romans built numerous towers as part of a system of communications, one example being the towers along Hadrian's Wall in Britain. Romans built many lighthouses, such as the Tower of Hercules in northern Spain, which survives to this day as a working building, and the equally famous lighthouse at Dover Castle, which survives to about half its original height as a ruin. In medieval Europe, many castles and manor houses, or similar fortified buildings, were equipped with watchtowers. In some of the manor houses of wester ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gabriele Trevisano
Gabriele Trevisano was a Venetian commander, who participated on the losing side of the Fall of Constantinople in 1453, having joined the Byzantine Empire in its defence of its capital city against the Ottoman Empire. Alongside his fellow Venetian merchant-captain Alviso Diedo, he had anchored with his ships at the Golden Horn on a return voyage from the Black Sea, when the forces of Sultan Mehmed II laid siege to the city. The Venetians promised to remain in the city to fight - a total of six Venetian vessels and three from the Venetian colony of Crete were retained in the harbour with the consent of their commanders, now turned into warships. On 28 April a battle broke out between Venetian and Genoese vessels on one side and Turkish ships on the other. Trivisano's galley was sunk by Turkish cannon-fire, and abandoned. At other times the Venetians and their allies won some minor naval skirmishes against the Turks. During the siege, Trivisano also commanded a Byzantine garrison at t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Republic Of Venice
The Republic of Venice ( vec, Repùblega de Venèsia) or Venetian Republic ( vec, Repùblega Vèneta, links=no), traditionally known as La Serenissima ( en, Most Serene Republic of Venice, italics=yes; vec, Serenìsima Repùblega de Venèsia, links=no), was a sovereign state and Maritime republics, maritime republic in parts of present-day Italy (mainly Northern Italy, northeastern Italy) that existed for 1100 years from AD 697 until AD 1797. Centered on the Venetian Lagoon, lagoon communities of the prosperous city of Venice, it incorporated numerous Stato da Màr, overseas possessions in modern Croatia, Slovenia, Montenegro, Greece, Albania and Cyprus. The republic grew into a Economic history of Venice, trading power during the Middle Ages and strengthened this position during the Renaissance. Citizens spoke the still-surviving Venetian language, although publishing in (Florentine) Italian became the norm during the Renaissance. In its early years, it prospered on the salt ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Garrison
A garrison (from the French ''garnison'', itself from the verb ''garnir'', "to equip") is any body of troops stationed in a particular location, originally to guard it. The term now often applies to certain facilities that constitute a military base or fortified military headquarters. A garrison is usually in a city, town, fort, castle, ship, or similar site. "Garrison town" is a common expression for any town that has a military base nearby. "Garrison towns" ( ar, أمصار, amsar) were used during the Arab Islamic conquests of Middle Eastern lands by Arab-Muslim armies to increase their dominance over indigenous populations. In order to occupy non-Arab, non-Islamic areas, nomadic Arab tribesmen were taken from the desert by the ruling Arab elite, conscripted into Islamic armies, and settled into garrison towns as well as given a share in the spoils of war. The primary utility of the Arab-Islamic garrisons was to control the indigenous non-Arab peoples of these conque ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fall Of Constantinople
The Fall of Constantinople, also known as the Conquest of Constantinople, was the capture of the capital of the Byzantine Empire by the Ottoman Empire. The city fell on 29 May 1453 as part of the culmination of a 53-day siege which had begun on 6 April. The city's collapse is usually agreed on as marking the end of the Middle Ages. The attacking Ottoman Army, which significantly outnumbered Constantinople's defenders, was commanded by the 21-year-old Sultan Mehmed II (later nicknamed "the Conqueror"), while the Byzantine army was led by Emperor Constantine XI Palaiologos. After conquering the city, Mehmed II made Constantinople the new Ottoman capital, replacing Adrianople. The conquest of Constantinople and the fall of the Byzantine Empire was a watershed of the Late Middle Ages, marking the effective end of the last remains of the Roman Empire, a state which began in roughly 27 BC and had lasted nearly 1500 years. Among many modern historians, the Fall of Constantinop ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ottoman Empire
The Ottoman Empire, * ; is an archaic version. The definite article forms and were synonymous * and el, Оθωμανική Αυτοκρατορία, Othōmanikē Avtokratoria, label=none * info page on book at Martin Luther University) // CITED: p. 36 (PDF p. 38/338) also known as the Turkish Empire, was an empire that controlled much of Southeast Europe, Western Asia, and Northern Africa between the 14th and early 20th centuries. It was founded at the end of the 13th century in northwestern Anatolia in the town of Söğüt (modern-day Bilecik Province) by the Turkoman tribal leader Osman I. After 1354, the Ottomans crossed into Europe and, with the conquest of the Balkans, the Ottoman beylik was transformed into a transcontinental empire. The Ottomans ended the Byzantine Empire with the conquest of Constantinople in 1453 by Mehmed the Conqueror. Under the reign of Suleiman the Magnificent, the Ottoman Empire marked the peak of its power and prosperity, as well a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Constantinople
la, Constantinopolis ota, قسطنطينيه , alternate_name = Byzantion (earlier Greek name), Nova Roma ("New Rome"), Miklagard/Miklagarth (Old Norse), Tsargrad ( Slavic), Qustantiniya (Arabic), Basileuousa ("Queen of Cities"), Megalopolis ("the Great City"), Πόλις ("the City"), Kostantiniyye or Konstantinopolis ( Turkish) , image = Byzantine Constantinople-en.png , alt = , caption = Map of Constantinople in the Byzantine period, corresponding to the modern-day Fatih district of Istanbul , map_type = Istanbul#Turkey Marmara#Turkey , map_alt = A map of Byzantine Istanbul. , map_size = 275 , map_caption = Constantinople was founded on the former site of the Greek colony of Byzantion, which today is known as Istanbul in Turkey. , coordinates = , location = Fatih, İstanbul, Turkey , region = Marmara Region , type = Imperial city , part_of = , length = , width ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mangana (Constantinople)
Mangana ( el, Μάγγανα) was one of the quarters of Byzantine-era Constantinople. Located on the easternmost edge of the Sirkeci peninsula in which the city is located, it housed an imperial palace, arsenal and several churches and charitable establishments throughout the middle and late Byzantine periods. History The quarter was located on the extreme east of the peninsula, directly above the Great Palace and between the ancient acropolis of Byzantium and the Bosporus strait,.. and took its name from a large arsenal for military engines (''mangana'').. The site was closely connected to the nearby Great Palace, and several emperors constructed buildings there. Emperor Michael I Rhangabe (r. 811–813) owned a mansion there which was converted into a crown domain by Emperor Basil I (r. 867–886) and administered by a ''kourator''. The position of '' egaskourator'' () also involved the supervision of imperial estates in the provinces, whose proceeds went to the upkeep of th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Alexios I Komnenos
Alexios I Komnenos ( grc-gre, Ἀλέξιος Κομνηνός, 1057 – 15 August 1118; Latinized Alexius I Comnenus) was Byzantine emperor from 1081 to 1118. Although he was not the first emperor of the Komnenian dynasty, it was during his reign that the Komnenos family came to full power and initiated a hereditary succession to the throne. Inheriting a collapsing empire and faced with constant warfare during his reign against both the Seljuq Turks in Asia Minor and the Normans in the western Balkans, Alexios was able to curb the Byzantine decline and begin the military, financial, and territorial recovery known as the Komnenian restoration. His appeals to Western Europe for help against the Turks was the catalyst that sparked the First Crusade. Biography Alexios was the son of John Komnenos and Anna Dalassene,Kazhdan 1991, p. 63 and the nephew of Isaac I Komnenos (emperor 1057–1059). Alexios' father declined the throne on the abdication of Isaac, who was thu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Byzantine Empire
The Byzantine Empire, also referred to as the Eastern Roman Empire or Byzantium, was the continuation of the Roman Empire primarily in its eastern provinces during Late Antiquity and the Middle Ages, when its capital city was Constantinople. It survived the fragmentation and fall of the Western Roman Empire in the 5th century AD and continued to exist for an additional thousand years until the fall of Constantinople to the Ottoman Empire in 1453. During most of its existence, the empire remained the most powerful economic, cultural, and military force in Europe. The terms "Byzantine Empire" and "Eastern Roman Empire" were coined after the end of the realm; its citizens continued to refer to their empire as the Roman Empire, and to themselves as Romans—a term which Greeks continued to use for themselves into Ottoman times. Although the Roman state continued and its traditions were maintained, modern historians prefer to differentiate the Byzantine Empire from Ancient Rome ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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