|
Kız Kulesi
__NOTOC__ The Maiden's Tower (), also known as Leander's Tower (''Tower of Leandros'') since the 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 called Arcla (small castle) and Damialis (its calf) 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 in the Mangana quarter of Constantinople. The islet was then connected to the Asiatic shore through a defence wall whose underwater remains are still visible. During the Ott ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
CONSISTENCY
In deductive logic, a consistent theory is one that does not lead to a logical contradiction. 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 there is no formula \varphi such that \varphi \in \langle A \rangle and \lnot \varphi \in \langle A \rangle. A ''trivial'' theory (i.e., one which proves every sentence in the language of the theory) is clearly inconsistent. Conversely, in an explosive formal system (e.g., classical or intuitionistic propositional or first-order logics) every inconsistent theory is trivial. Consistency of a theory is a syntactic notion, whose semantic counterpart is satisfiability. A theory is satisfiable if it has a mod ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Athens
Athens ( ) is the Capital city, capital and List of cities and towns in Greece, largest city of Greece. A significant coastal urban area in the Mediterranean, Athens is also the capital of the Attica (region), Attica region and is the southernmost capital on the European mainland. With its urban area's population numbering over 3.6 million, it is the List of urban areas in the European Union, eighth-largest urban area in the European Union (EU). The Municipality of Athens (also City of Athens), which constitutes a small administrative unit of the entire urban area, had a population of 643,452 (2021) within its official limits, and a land area of . Athens is one of the List of oldest continuously inhabited cities, world's oldest cities, with its recorded history spanning over 3,400 years, and its earliest human presence beginning somewhere between the 11th and 7th millennia BCE. According to Greek mythology the city was named after Athena, the ancient Greek goddess of wisdom, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mehmed The Conqueror
Mehmed II (; , ; 30 March 14323 May 1481), commonly known as Mehmed the Conqueror (; ), was twice the sultan of the Ottoman Empire from August 1444 to September 1446 and then later from February 1451 to May 1481. In Mehmed II's first reign, he defeated the crusade led by John Hunyadi after the Hungarian incursions into his country broke the conditions of the truce per the Treaties of Edirne and Szeged. When Mehmed II ascended the throne again in 1451, he strengthened the Ottoman Navy and made preparations to attack Constantinople. At the age of 21, he conquered Constantinople and brought an end to the Byzantine Empire. After the conquest, Mehmed claimed the title caesar of Rome (), based on the fact that Constantinople had been the seat and capital of the surviving Eastern Roman Empire since its consecration in 330 AD by Emperor Constantine I. The claim was soon recognized by the Patriarchate of Constantinople, albeit not by most European monarchs. Mehmed continued hi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Watchtower
A watchtower or guardtower (also spelt watch tower, guard tower) is a type of military/paramilitary or policiary tower used for guarding an area. Sometimes fortified, and armed with heavy weaponry, especially historically, the structures are built in areas of established control. These include military bases, cities occupied by military forces, prisons and more. A common equipment is searchlights. It differs from a regular tower in that its primary use is military/policiary 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. Similar constructions include: observation towers, which are generally civilian structures, and control towers, used on airports or harbours. History Military watchtowers The Romans built numerous towers as part of a sys ... [...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 Crete ( ; , Modern Greek, Modern: , Ancient Greek, Ancient: ) is the largest and most populous of the Greek islands, the List of islands by area, 88th largest island in the world and the List of islands in the Mediterranean#By area, fifth la ... 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 Turki ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Republic Of Venice
The Republic of Venice, officially the Most Serene Republic of Venice and traditionally known as La Serenissima, was a sovereign state and Maritime republics, maritime republic with its capital in Venice. Founded, according to tradition, in 697 by Paolo Lucio Anafesto, over the course of its History of the Republic of Venice, 1,100 years of history it established itself as one of the major European commercial and naval powers. Initially extended in the ''Dogado'' area (a territory currently comparable to the Metropolitan City of Venice), during its history it annexed a large part of Northeast Italy, Istria, Dalmatia, the coasts of present-day Montenegro and Albania as well as numerous islands in the Adriatic Sea, Adriatic and eastern Ionian Sea, Ionian seas. At the height of its expansion, between the 13th and 16th centuries, it also governed Crete, Cyprus, the Peloponnese, a number of List of islands of Greece, Greek islands, as well as several cities and ports in the eastern Me ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Garrison
A garrison 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. The term garrison comes from the French language, French ''garnison'', itself from the verb ''garnir'', "to equip". "Garrison towns" () were used during the Early Muslim conquests, Arab Islamic conquests of Middle Eastern lands by Arabs, 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 Jizya, spoils of war. The primary utility of the Arab-Islamic garrisons was to cont ... [...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 Constantinople, the capital of the Byzantine Empire by the Ottoman Empire. The city was captured on 29 May 1453 as part of the culmination of a 55-day siege which had begun on 6 April. The attacking Army of the classical Ottoman Empire, Ottoman Army, which significantly outnumbered Constantinople's defenders, was commanded by the 21-year-old List of sultans of the Ottoman Empire, Sultan Mehmed the Conqueror, Mehmed II (later nicknamed "the Conqueror"), while the Byzantine army (Palaiologan era), Byzantine army was led by List of Byzantine emperors, Emperor Constantine XI Palaiologos. After conquering the city, Mehmed II made Constantinople the new Ottoman capital, replacing Edirne, Adrianople. The fall of Constantinople and of the Byzantine Empire was a watershed of the Late Middle Ages, marking the effective end of the Roman Empire, a state which began in roughly 27 BC and had la ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ottoman Empire
The Ottoman Empire (), also called the Turkish Empire, was an empire, imperial realm that controlled much of Southeast Europe, West Asia, and North Africa from the 14th to early 20th centuries; it also controlled parts of southeastern Central Europe, between the early 16th and early 18th centuries. The empire emerged from a Anatolian beyliks, ''beylik'', or principality, founded in northwestern Anatolia in by the Turkoman (ethnonym), Turkoman tribal leader Osman I. His successors Ottoman wars in Europe, conquered much of Anatolia and expanded into the Balkans by the mid-14th century, transforming their petty kingdom into a transcontinental empire. The Ottomans ended the Byzantine Empire with the Fall of Constantinople, conquest of Constantinople in 1453 by Mehmed II. With its capital at History of Istanbul#Ottoman Empire, Constantinople (modern-day Istanbul) and control over a significant portion of the Mediterranean Basin, the Ottoman Empire was at the centre of interacti ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Constantinople
Constantinople (#Names of Constantinople, see other names) was a historical city located on the Bosporus that served as the capital of the Roman Empire, Roman, Byzantine Empire, Byzantine, Latin Empire, Latin, and Ottoman Empire, Ottoman empires between its consecration in 330 until 1930, when it was renamed to Istanbul. Initially as New Rome, Constantinople was founded in 324 during the reign of Constantine the Great on the site of the existing settlement of Byzantium, and shortly thereafter in 330 became the capital of the Roman Empire. Following the collapse of the Western Roman Empire in the late 5th century, Constantinople remained the capital of the Eastern Roman Empire (also known as the Byzantine Empire; 330–1204 and 1261–1453), the Latin Empire (1204–1261), and the Ottoman Empire (1453–1922). Following the Turkish War of Independence, the Turkish capital then moved to Ankara. Although the city had been known as Istanbul since 1453, it was officially renamed as Is ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mangana (Constantinople)
Mangana () was one of the quarters of Byzantine Empire, Byzantine-era Constantinople. Located on the easternmost edge of the Sirkeci peninsula, 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 of Constantinople, Great Palace and between the ancient acropolis of Byzantium and the Bosporus strait... It 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 ''[megas] kourator'' () also involved the supervision of imperial estates in the provinces, whose proceeds went to the upkeep of the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Alexios I Komnenos
Alexios I Komnenos (, – 15 August 1118), Latinization of names, Latinized as Alexius I Comnenus, was Byzantine Emperor, Byzantine emperor from 1081 to 1118. After usurper, usurping the throne, he was faced with a collapsing empire and constant warfare throughout his reign, 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 Seljuk Empire, Seljuk Turks were the catalyst that sparked the First Crusade. Although he was not the first emperor of the Komnenos, Komnenian dynasty, it was during his reign that the Komnenos family came to full power and initiated a hereditary succession to the throne. The son of John Komnenos (Domestic of the Schools), John Komnenos and a nephew of Isaac I Komnenos, Alexios served with distinction under three Byzantine emperors. In 1081, he led a rebellion against Emperor Nikephoros III Botaneiates and took ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
