1.
Istanbul
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Istanbul, historically known as Constantinople and Byzantium, is the most populous city in Turkey and the countrys economic, cultural, and historic center. Istanbul is a city in Eurasia, straddling the Bosphorus strait between the Sea of Marmara and the Black Sea. Its commercial and historical center lies on the European side and about a third of its population lives on the Asian side, the city is the administrative center of the Istanbul Metropolitan Municipality, both hosting a population of around 14.7 million residents. Istanbul is one of the worlds most populous cities and ranks as the worlds 7th-largest city proper, founded under the name of Byzantion on the Sarayburnu promontory around 660 BCE, the city developed to become one of the most significant in history. After its reestablishment as Constantinople in 330 CE, it served as a capital for almost 16 centuries, during the Roman and Byzantine, the Latin. Overlooked for the new capital Ankara during the period, the city has since regained much of its prominence. The population of the city has increased tenfold since the 1950s, as migrants from across Anatolia have moved in, arts, music, film, and cultural festivals were established at the end of the 20th century and continue to be hosted by the city today. Infrastructure improvements have produced a complex transportation network, considered a global city, Istanbul has one of the fastest-growing metropolitan economies in the world. It hosts the headquarters of many Turkish companies and media outlets and accounts for more than a quarter of the gross domestic product. Hoping to capitalize on its revitalization and rapid expansion, Istanbul has bid for the Summer Olympics five times in twenty years, the first known name of the city is Byzantium, the name given to it at its foundation by Megarean colonists around 660 BCE. The name is thought to be derived from a personal name, ancient Greek tradition refers to a legendary king of that name as the leader of the Greek colonists. Modern scholars have hypothesized that the name of Byzas was of local Thracian or Illyrian origin. He also attempted to promote the name Nova Roma and its Greek version Νέα Ῥώμη Nea Romē, the use of Constantinople to refer to the city during the Ottoman period is now considered politically incorrect, even if not historically inaccurate, by Turks. By the 19th century, the city had acquired other names used by foreigners or Turks. Europeans used Constantinople to refer to the whole of the city, pera was used to describe the area between the Golden Horn and the Bosphorus, but Turks also used the name Beyoğlu. The name İstanbul is commonly held to derive from the Medieval Greek phrase εἰς τὴν Πόλιν and this reflected its status as the only major city in the vicinity. The importance of Constantinople in the Ottoman world was reflected by its Ottoman name Der Saadet meaning the gate to Prosperity in Ottoman. An alternative view is that the name evolved directly from the name Constantinople, with the first, a Turkish folk etymology traces the name to Islam bol plenty of Islam because the city was called Islambol or Islambul as the capital of the Islamic Ottoman Empire
2.
Sultan Ahmed Mosque
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The Sultan Ahmed Mosque or Sultan Ahmet Mosque is a historic mosque located in Istanbul, Turkey. A popular tourist site, the Sultan Ahmed Mosque continues to function as a mosque today, the Blue Mosque, as it is popularly known, was constructed between 1609 and 1616 during the rule of Ahmed I. Its Külliye contains Ahmeds tomb, a madrasah and a hospice, hand-painted blue tiles adorn the mosque’s interior walls, and at night the mosque is bathed in blue as lights frame the mosque’s five main domes, six minarets and eight secondary domes. It sits next to the Hagia Sophia, another popular tourist site, after the Peace of Zsitvatorok and the crushing loss in the 1603–1618 war with Persia, Sultan Ahmet I, decided to build a large mosque in Istanbul to reassert Ottoman power. It would be the first imperial mosque for more than forty years, while his predecessors had paid for their mosques with the spoils of war, Ahmet I procured funds from the Treasury, because he had not gained remarkable victories. It caused the anger of the ulema, the Muslim jurists, big parts of the south shore of the mosque rest on the foundations, the vaults of the old Grand Palace. The Sultan Ahmed Mosque has five domes, six minarets. The design is the culmination of two centuries of Ottoman mosque development and it incorporates some Byzantine Christian elements of the neighboring Hagia Sophia with traditional Islamic architecture and is considered to be the last great mosque of the classical period. The architect, Sedefkâr Mehmed Ağa, synthesized the ideas of his master Sinan, aiming for overwhelming size, majesty and splendour. At its lower levels and at every pier, the interior of the mosque is lined with more than 20,000 handmade İznik style ceramic tiles, made at Iznik in more than fifty different tulip designs. The tiles at lower levels are traditional in design, while at gallery level their design becomes flamboyant with representations of flowers, fruit, the tiles were made under the supervision of the Iznik master. The price to be paid for each tile was fixed by the sultans decree, as a result, the quality of the tiles used in the building decreased gradually. The upper levels of the interior are dominated by blue paint, more than 200 stained glass windows with intricate designs admit natural light, today assisted by chandeliers. On the chandeliers, ostrich eggs are found that were meant to avoid cobwebs inside the mosque by repelling spiders, the decorations include verses from the Quran, many of them made by Seyyid Kasim Gubari, regarded as the greatest calligrapher of his time. The floors are covered with carpets, which are donated by the faithful and are replaced as they wear out. The many spacious windows confer a spacious impression, the casements at floor level are decorated with opus sectile. Each exedra has five windows, some of which are blind, each semi-dome has 14 windows and the central dome 28. The coloured glass for the windows was a gift of the Signoria of Venice to the sultan, most of these coloured windows have by now been replaced by modern versions with little or no artistic merit
3.
Hagia Sophia
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Hagia Sophia was a Greek Orthodox Christian patriarchal basilica, later an imperial mosque, and now a museum in Istanbul, Turkey. The building was converted into an Ottoman mosque from 29 May 1453 until 1931. It was then secularized and opened as a museum on 1 February 1935, famous in particular for its massive dome, it is considered the epitome of Byzantine architecture and is said to have changed the history of architecture. It remained the worlds largest cathedral for nearly a thousand years and it was designed by the Greek geometers Isidore of Miletus and Anthemius of Tralles. The church contained a collection of relics and featured, among other things. In 1453, Constantinople was conquered by the Ottoman Empire under Mehmed the Conqueror, by that point, the church had fallen into a state of disrepair. Nevertheless, the Christian cathedral made an impression on the new Ottoman rulers. Islamic features—such as the mihrab, minbar, and four minarets—were added and it remained a mosque until 1931, when it was closed to the public for four years. It was re-opened in 1935 as a museum by the Republic of Turkey, Hagia Sophia was, as of 2014, the second-most visited museum in Turkey, attracting almost 3.3 million visitors annually. According to data released by the Turkish Culture and Tourism Ministry, from its initial conversion until the construction of the nearby Sultan Ahmed Mosque in 1616, it was the principal mosque of Istanbul. The first church on the site was known as the Μεγάλη Ἐκκλησία, or in Latin Magna Ecclesia, inaugurated on 15 February 360 by the Arian bishop Eudoxius of Antioch, it was built next to the area where the imperial palace was being developed. The nearby Hagia Eirene church was completed earlier and served as cathedral until the Great Church was completed, both churches acted together as the principal churches of the Byzantine Empire. Writing in 440, Socrates of Constantinople claimed that the church was built by Constantius II, a tradition which is not older than the 7th or 8th century, reports that the edifice was built by Constantine the Great. Zonaras reconciles the two opinions, writing that Constantius had repaired the edifice consecrated by Eusebius of Nicomedia, after it had collapsed. Since Eusebius was bishop of Constantinople from 339 to 341, and Constantine died in 337, the edifice was built as a traditional Latin colonnaded basilica with galleries and a wooden roof. It was preceded by an atrium and it was claimed to be one of the worlds most outstanding monuments at the time. The Patriarch of Constantinople John Chrysostom came into a conflict with Empress Aelia Eudoxia, wife of the emperor Arcadius, during the subsequent riots, this first church was largely burned down. Nothing remains of the first church today, a second church on the site was ordered by Theodosius II, who inaugurated it on 10 October 415
4.
Walls of Constantinople
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With numerous additions and modifications during their history, they were the last great fortification system of antiquity, and one of the most complex and elaborate systems ever built. Initially built by Constantine the Great, the walls surrounded the new city on all sides, as the city grew, the famous double line of the Theodosian Walls was built in the 5th century. Ultimately the city fell from sheer weight of numbers of the Ottoman forces on 29 May 1453 after a six-week siege. The walls were largely maintained intact during most of the Ottoman period, until sections began to be dismantled in the 19th century, despite the subsequent lack of maintenance, many parts of the walls survived and are still standing today. A large-scale restoration program has been under way since the 1980s, according to tradition, the city was founded as Byzantium by Greek colonists from Megara, led by the eponymous Byzas, around 658 BC. At the time the city consisted of a region around an acropolis. This wall was protected by 27 towers, and had at least two gates, one which survived to become known as the Arch of Urbicius. On the seaward side, the wall was much lower and this wall is known to have been repaired, utilising tomb stones, under the leadership of a certain Leo in 340 BC, against an attack by Philip II of Macedon. Byzantium was relatively unimportant during the early Roman period, contemporaries described it as wealthy, well peopled and well fortified, but this affluence came to an end due to its support for Pescennius Niger in his war against Septimius Severus. Severus punished the city harshly, the walls were demolished. The Patria also mention the existence of another wall during the siege of Byzantium by Constantine the Great during the conflict with Licinius. Like Severus before him, Constantine began to punish the city for siding with his defeated rival, during 324–336 the city was thoroughly rebuilt and inaugurated on 11 May 330 under the name of Second Rome. The name that prevailed in common usage however was Constantinople. The city of Constantine was protected by a new wall about 2.8 km west of the Severan wall, constantines fortification consisted of a single wall, reinforced with towers at regular distances, which began to be constructed in 324 and was completed under his son Constantius II. Only the approximate course of the wall is known, it began at the Church of St. Aemilianus, already by the early 5th century however, Constantinople had expanded outside the Constantinian Wall, in the extramural area known as the Exokionion or Exakionion. The wall survived during much of the Byzantine period, even though it was replaced by the Theodosian Walls as the primary defence. Only traces of the wall appear to have survived in later ages, the recent construction of Yenikapı Transfer Center has unearthed a section of the foundation of the wall of Constantine. The names of a number of gates of the Constantinian Wall survive, the gate stood somewhere on the southern slopes of the Seventh Hill
