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101-448: A tetrapylon was effectively a 'doubling' of the original triumphal arch form; with a total of four major arched openings, one on each side of the structure (one pair of openings opposite each other along one axis, and a second pair of openings of equal or lesser prominence perpendicular to the first pair; hence a structure with two barrel vaulted passageways, in the form of a cross). Roman examples are usually roughly square in plan , with

202-724: A charter member of the United Nations. In 1950 Turkey became a member of the Council of Europe . After fighting as part of the UN forces in the Korean War , Turkey joined NATO in 1952, becoming a bulwark against Soviet expansion into the Mediterranean . Military coups or memorandums, which happened in 1960 , 1971 , 1980 , and 1997 , complicated Turkey's transition to a democratic multiparty system . Between 1960 and

303-404: A finite element algorithm to calculate gravity induced stresses from the self weight of an arched system. In fact, for structural engineers, analysis of the barrel vault has become a benchmark test of a structural engineering computer model "because of the complex membrane and inextensional bending states of stress" involved. In terms of comparison to other vaulting techniques, the barrel vault

404-469: A span of only two metres. In these early instances, the barrel vault was chiefly used for underground structures such as drains and sewers , though several buildings of the great Late Egyptian mortuary palace - temple of Ramesseum were also vaulted in this way. Recent archaeological evidence discovered at the Morgantina site (in the province of Enna ) shows that the aboveground barrel vault

505-723: A Code with principles similar to the German Penal Code and German law generally. Administrative law is based on the French equivalent and procedural law generally shows the influence of the Swiss, German and French legal systems. Islamic principles do not play a part in the legal system. Law enforcement in Turkey is carried out by several agencies under the jurisdiction of the Ministry of Internal Affairs . These agencies are

606-643: A grand processional route. Even after recent attempts at destruction when the city was occupied by the Islamic State , the example at Palmyra , Syria is the best preserved. The South Tetrapylon at Jerash seems to have had this form, as well as structures in Anjar, Lebanon , Ephesus , and other cities, all in the Eastern Roman Empire , apart from a tomb in Pompeii that is much smaller than

707-765: A guide for developing "orthodox expressions of basic Christian teachings". The Byzantine Empire, also referred to as the Eastern Roman Empire, was the continuation of the Roman Empire centered in Constantinople during Late Antiquity and the Middle Ages . The eastern half of the Empire survived the conditions that caused the fall of the West in the 5th century AD, and continued to exist until

808-527: A huge barrel vault spans the 27 m (89 ft)-wide nave. With a barrel vault design the vectors of pressure result in a downward force on the crown while the lower portions of the arches realise a lateral force pushing outwards. As an outcome this form of design is subject to failure unless the sides are anchored or buttressed to very heavy building elements or substantial earthwork sidings. For example, at Muchalls Castle in Scotland , adjacent walls to

909-766: A mixture of " Turkish, Persian and Islamic influences ". In the latter half of the 11th century, the Seljuk Turks began penetrating into medieval Armenia and Anatolia. At the time, Anatolia was a diverse and largely Greek-speaking region after previously being Hellenized . The Seljuk Turks defeated the Byzantines at the Battle of Manzikert in 1071, and later established the Seljuk Sultanate of Rum . During this period, there were also Turkish principalities such as Danishmendids . Seljuk arrival started

1010-658: A person. As an ethnonym , the etymology is still unknown. In addition to usage in languages such as Chinese in the 6th century, the earliest mention of Turk ( 𐱅𐰇𐰺𐰜 , türü̲k̲ ; or 𐱅𐰇𐰼𐰚 , türk/tẄrk ) in Turkic languages comes from the Second Turkic Khaganate . In Byzantine sources in the 10th century, the name Tourkia was used for defining two medieval states: Hungary ( Western Tourkia ); and Khazaria ( Eastern Tourkia ). The Mamluk Sultanate , with its ruling elite of Turkic origin,

1111-650: A reassertion of the ancient, indigenous culture of the Hattian cities of Anatolia". Before 1200 BC, there were four Greek-speaking settlements in Anatolia, including Miletus . Around 1000 BC, Greeks started migrating to the west coast of Anatolia. These eastern Greek settlements played a vital role in shaping the Archaic Greek civilization; important cities included Miletus , Ephesus , Halicarnassus , Smyrna (now İzmir ) and Byzantium (now Istanbul ),

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1212-541: A return to stone barrel vaults was seen for the first great cathedrals; their interiors were fairly dark, due to thick, heavy walls needed to support the vault. One of the largest and most famous churches enclosed from above by a vast barrel vault was the church of Cluny Abbey , built between the 11th and 12th centuries. In 13th and 14th centuries, with the advance of the new Gothic style, barrel vaulting became almost extinct in constructions of great Gothic cathedrals; groin vaults reinforced by stone ribs were mostly used in

1313-583: A rich and diverse cuisine , Turkey is the fifth most visited country in the world. Turchia , meaning "the land of the Turks", had begun to be used in European texts for Anatolia by the end of the 12th century. As a word in Turkic languages , Turk may mean "strong, strength, ripe" or "flourishing, in full strength". It may also mean ripe as in for a fruit or "in the prime of life, young, and vigorous" for

1414-408: A semi-cylindrical appearance to the total design. The barrel vault is the simplest form of a vault : effectively a series of arches placed side by side (i.e., one after another). It is a form of barrel roof . As with all arch -based constructions, there is an outward thrust generated against the walls underneath a barrel vault. There are several mechanisms for absorbing this thrust. One is to make

1515-570: A vault is a tunnel vault found under the Sumerian ziggurat at Nippur in Babylonia , ascribed to about 4000 BC, which was built from fired bricks amalgamated with clay mortar . The earliest tunnel vaults in Egypt are found at Requagnah and Denderah , from around 3500 BC in the predynastic era. These were built with sun-dried brick in three rings over passages descending to tombs with

1616-746: Is Syria, with which Turkey had cut its relations after the start of the Syrian civil war . There are disputes with Greece over maritime boundaries and with Cyprus . In 2018, the Turkish military and the Turkish-backed forces began an operation in Syria aimed at ousting US-backed YPG (which Turkey considers to be an offshoot of the outlawed PKK ) from the enclave of Afrin . Turkey has also conducted airstrikes in Iraqi Kurdistan , which

1717-534: Is a unitary presidential republic . Turkey is a founding member of the OECD , G20 , and Organization of Turkic States . With a geopolitically significant location, Turkey is a regional power and an early member of NATO . An EU candidate , Turkey is part of the EU Customs Union , CoE , OIC , and TURKSOY . Turkey has coastal plains, a high central plateau , and various mountain ranges; its climate

1818-512: Is also oblong, with the arch on the long face much larger. None of these modern arches straddle a significant road. A tetrakionion ( Koinē Greek : τετρακιόνιον ), plural tetrakionia , is a type of tetrapylon in which the central crossing is not roofed, and the four corner-markers exist as four separate structures, now unconnected, but perhaps originally supporting coverings in perishable materials such as wood and fabric. These are typically associated with turnings on colonnaded streets as part of

1919-620: Is divided into districts ( ilçe ), for a total of 973 districts. Turkey is also subdivided into 7 regions ( bölge ) and 21 subregions for geographic, demographic and economic measurements, surveys and classifications; this does not refer to an administrative division. Turkey is a presidential republic within a multi-party system . The current constitution was adopted in 1982 . In the Turkish unitary system, citizens are subject to three levels of government : national, provincial, and local. The local government 's duties are commonly split between municipal governments and districts, in which

2020-463: Is inherently a weaker design compared to the more complex groin vault . The barrel vault structure must rest on long walls creating less stable lateral stress, whereas the groin vault design can direct stresses almost purely vertically on the apexes. There are numerous contemporary examples of barrel vault design in Victorian and modern architecture , including: Beyond the classical use of

2121-442: Is temperate with harsher conditions in the interior. Home to three biodiversity hotspots , Turkey is prone to frequent earthquakes and is highly vulnerable to climate change . Turkey has a universal healthcare system , growing access to education , and increasing levels of innovativeness . It is a leading TV content exporter. With 21 UNESCO World Heritage sites, 30 UNESCO intangible cultural heritage inscriptions, and

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2222-476: Is the Main Opposition Leader . The last parliamentary and presidential elections were in 2023. The Constitutional Court can strip the public financing of political parties that it deems anti-secular or having ties to terrorism , or ban their existence altogether. The electoral threshold for political parties at national level is seven percent of the votes. Smaller parties can avoid

2323-409: Is the concept of four gates, with four pillars or other supporting structures placed at the corners marking the divisions between them. A tetrapylon could take the form of a single building or multiple, separate structures. They were built as grandiose landmarks, rarely functioning as gateways, but as decorative and aesthetically pleasing ornamental architecture. The normal Roman type is square, with

2424-644: The Kayı tribe of the Oghuz Turks . Ottomans started annexing the nearby Turkish beyliks (principalities) in Anatolia and expanded into the Balkans . Mehmed II completed Ottoman conquest of the Byzantine Empire by capturing its capital, Constantinople , on 29 May 1453. Selim I united Anatolia under Ottoman rule. Turkification continued as Ottomans mixed with various indigenous people in Anatolia and

2525-690: The 1913 coup d'état , the Three Pashas took control of the Ottoman government. The Ottoman Empire entered World War I on the side of the Central Powers and was ultimately defeated. During the war, the empire's Armenian subjects were deported to Syria as part of the Armenian genocide . As a result, an estimated 600,000 to more than 1 million, or up to 1.5 million Armenians were killed. The Turkish government has refused to acknowledge

2626-716: The Allies in the aftermath of World War I initiated the Turkish National Movement . Under the leadership of Mustafa Kemal Pasha , a military commander who had distinguished himself during the Battle of Gallipoli , the Turkish War of Independence (1919–1923) was waged with the aim of revoking the terms of the Treaty of Sèvres (1920). The Turkish Provisional Government in Ankara , which had declared itself

2727-769: The Armistice of Mudanya on 11 October 1922. On 1 November 1922, the Turkish Parliament in Ankara formally abolished the Sultanate, thus ending 623 years of monarchical Ottoman rule. The Treaty of Lausanne of 24 July 1923, which superseded the Treaty of Sèvres, led to the international recognition of the sovereignty of the new Turkish state as the successor state of the Ottoman Empire. On 4 October 1923,

2828-414: The Balkans , Caucasus , and Crimea . Under the control of the Three Pashas , the Ottoman Empire entered World War I in 1914, during which the Ottoman government committed genocides against its Armenian , Greek , and Assyrian subjects. Following Ottoman defeat, the Turkish War of Independence resulted in the abolition of the sultanate and the signing of the Treaty of Lausanne . The Republic

2929-498: The Cloaca Maxima with a system of underground sewers. Other early barrel vault designs occur in northern Europe , Turkey , Morocco , and other regions. In medieval Europe, the barrel vault was an important element of stone construction in monasteries , castles , tower houses and other structures. This form of design is observed in cellars , crypts , long hallways , cloisters and even great halls . Barrel vaulting

3030-749: The Cold War 's start. Following threats from the Soviet Union , Turkey sought to ally with the United States and joined NATO in 1952. Overall, Turkey aims for good relations with Central Asia , the Caucasus , Russia, the Middle East , and Iran. With the West, Turkey also aims to keep its arrangements. By trading with the east and joining the EU, Turkey pursues economic growth. Turkey joined

3131-603: The EEC in 1987, joined the European Union Customs Union in 1995 and started accession negotiations with the European Union in 2005. Customs Union had an important impact on the Turkish manufacturing sector. In 2014, prime minister Recep Tayyip Erdoğan won Turkey's first direct presidential election . On 15 July 2016, an unsuccessful coup attempt tried to oust the government. According to

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3232-480: The European Union Customs Union in 1995, but its EU accession talks are frozen as of 2024. Turkey has been called an emerging power, a middle power , and a regional power . Turkey has sought closer relations with the Central Asian Turkic states after the breakup of the Soviet Union. Closer relations with Azerbaijan , a culturally close country, was achieved. Turkey is a founding member of

3333-515: The Galatians . When Pergamon requested assistance in its conflict with the Seleucids, Rome intervened in Anatolia in the second century BC. Without an heir, Pergamum's king left the kingdom to Rome, which was annexed as province of Asia . Roman influence grew in Anatolia afterwards. Following Asiatic Vespers massacre, and Mithridatic Wars with Pontus , Rome emerged victorious. Around

3434-701: The General Directorate of Security , the Gendarmerie General Command and the Coast Guard Command . In the years of government by the Justice and Development Party and Erdoğan, particularly since 2013, the independence and integrity of the Turkish judiciary has increasingly been said to be in doubt by institutions, parliamentarians and journalists both within and outside of Turkey, because of political interference in

3535-619: The International Organization of Turkic Culture and Organization of Turkic States . It is also a member of Organization for Security and Cooperation in Europe , Council of Europe , and Organisation of Islamic Cooperation . Following the Arab Spring , Turkey had problems with countries such as United Arab Emirates, Saudi Arabia, and Egypt. Relations with these countries have improved since then. The exception

3636-739: The Ionian School of philosophy , thereby laying the foundations of rationalism and Western philosophy . Cyrus attacked eastern Anatolia in 547 BC, and Achaemenid Empire eventually expanded into western Anatolia . In the east, the Armenian province was part of the Achaemenid Empire. Following the Greco-Persian Wars , the Greek city-states of the Anatolian Aegean coast regained independence, but most of

3737-584: The Ottoman Empire's name . In December 2021, President Recep Tayyip Erdoğan called for expanded official usage of Türkiye , saying that Türkiye "represents and expresses the culture, civilization, and values of the Turkish nation in the best way". In May 2022, the Turkish government requested the United Nations and other international organizations to use Türkiye officially in English;

3838-603: The Proto-Turkic language originated in Central-East Asia. Initially, Proto- Turkic speakers were potentially both hunter-gatherers and farmers; they later became nomadic pastoralists . Early and medieval Turkic groups exhibited a wide range of both East Asian and West-Eurasian physical appearances and genetic origins, in part through long-term contact with neighboring peoples such as Iranic , Mongolic , Tocharian , Uralic , and Yeniseian peoples. During

3939-617: The Second Balkan War (1913). In the 19th and early 20th centuries, persecution of Muslims during the Ottoman contraction and in the Russian Empire resulted in estimated 5 million deaths, with more than 3 million in Balkans; the casualties included Turks. Five to seven or seven to nine million refugees migrated into modern-day Turkey from the Balkans , Caucasus , Crimea , and Mediterranean islands, shifting

4040-580: The Sheikh Said rebellion in 1925 and the Dersim rebellion in 1937. İsmet İnönü became the country's second president following Atatürk's death in 1938. In 1939, the Republic of Hatay voted in favor of joining Turkey with a referendum. Turkey remained neutral during almost all of World War II , but entered the war on the side of the Allies on 23 February 1945 . Later that year, Turkey became

4141-407: The Supreme Electoral Council lifted a rule that required each ballot to have an official stamp. The opposition parties claimed that as many as 2.5 million ballots without a stamp were accepted as valid. Turkey has a unitary structure in terms of public administration, and the provinces are subordinate to the central government in Ankara . In province centers the government is represented by

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4242-406: The Turkification process in Anatolia; there were Turkic/Turkish migrations, intermarriages, and conversions into Islam. The shift took several centuries and happened gradually. Members of Islamic mysticism orders, such as Mevlevi Order , played a role in the Islamization of the diverse people of Anatolia. Seljuk expansion was one of the reasons for the Crusades . In 13th century, there

4343-407: The Yabgu Khaganate . In 1040, the Seljuks defeated the Ghaznavids at the Battle of Dandanaqan and established the Seljuk Empire in Greater Khorasan . Baghdad , the Abbasid Caliphate 's capital and center of the Islamic world , was taken by Seljuks in 1055. Given the role Khurasani traditions played in art, culture, and political traditions in the empire, the Seljuk period is described as

4444-598: The adoption of Christianity as the state religion , and the predominance of Greek instead of Latin , modern historians continue to make a distinction between the earlier Roman Empire and the later Byzantine Empire . In the early Byzantine Empire period, the Anatolian coastal areas were Greek speaking. In addition to natives, interior Anatolia had diverse groups such as Goths , Celts , Persians and Jews . Interior Anatolia had been "heavily Hellenized". Anatolian languages eventually became extinct after Hellenization of Anatolia. According to historians and linguists,

4545-420: 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 the Mediterranean world . The term Byzantine Empire was only coined following the empire's demise; its citizens referred to the polity as the "Roman Empire" and to themselves as Romans . Due to the imperial seat's move from Rome to Byzantium ,

4646-405: The right to vote and stand as a candidate at elections. Universal suffrage for both sexes has been applied throughout Turkey since 1934. In Turkey, turnout rates of both local and general elections are high compared to many other countries, which usually stands higher than 80%. President Recep Tayyip Erdoğan is currently serving as the head of state and head of government . Özgür Özel

4747-516: The 1st century BC, Rome expanded into parts of Pontus and Bithynia , while turning rest of Anatolian states into Roman satellites. Several conflicts with Parthians ensued , with peace and wars alternating. According to Acts of the Apostles , early Christian Church had significant growth in Anatolia because of St Paul's efforts. Letters from St. Paul in Anatolia comprise the oldest Christian literature . Under Roman authority, ecumenical councils such as Council of Nicaea (Iznik) in 325 served as

4848-415: The 9th and 10th centuries CE, the Oghuz were a Turkic group that lived in the Caspian and Aral steppes. Partly due to pressure from the Kipchaks , the Oghuz migrated into Iran and Transoxiana . They mixed with Iranic-speaking groups in the area and converted to Islam . Oghuz Turks were also known as Turkoman . The Seljuks originated from the Kınık branch of the Oghuz Turks who resided in

4949-412: The Allied occupation of Turkey ended with the withdrawal of the last Allied troops from Istanbul . The Turkish Republic was officially proclaimed on 29 October 1923 in Ankara, the country's new capital. The Lausanne Convention stipulated a population exchange between Greece and Turkey . Mustafa Kemal became the republic's first president and introduced many reforms . The reforms aimed to transform

5050-415: The Anatolian interior, which met resistance in some places. Following Alexander's death, the Seleucids ruled large parts of Anatolia, while native Anatolian states emerged in the Marmara and Black Sea areas. In eastern Anatolia, the kingdom of Armenia appeared. In third century BC, Celts invaded central Anatolia and continued as a major ethnic group in the area for around 200 years. They were known as

5151-400: The Balkans. The Ottoman Empire was a global power during the reigns of Selim I and Suleiman the Magnificent . In the 16th and 17th centuries, Sephardic Jews moved into Ottoman Empire following their expulsion from Spain. From the second half of the 18th century onwards, the Ottoman Empire began to decline . The Tanzimat reforms, initiated by Mahmud II in 1839, aimed to modernize

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5252-447: The Great ; Hellenization continued during the Roman and Byzantine eras. The Seljuk Turks began migrating into Anatolia in the 11th century, starting the Turkification process. The Seljuk Sultanate of Rum ruled Anatolia until the Mongol invasion in 1243, when it disintegrated into Turkish principalities . Beginning in 1299, the Ottomans united the principalities and expanded ; Mehmed II conquered Istanbul in 1453 . During

5353-509: The Hittite kingdom was disintegrating, further waves of Indo-European peoples migrated from southeastern Europe, which was followed by warfare. The Thracians were also present in modern-day Turkish Thrace . It is not known if the Trojan war is based on historical events. Troy's Late Bronze Age layers matches most with Iliad 's story. Around 750 BC, Phrygia had been established, with its two centers in Gordium and modern-day Kayseri . Phrygians spoke an Indo-European language, which

5454-424: The Ottoman Empire led to a rise in nationalist sentiment among its various subject peoples , leading to increased ethnic tensions which occasionally burst into violence, such as the Hamidian massacres of Armenians , which claimed up to 300,000 lives. Ottoman territories in Europe ( Rumelia ) were lost in the First Balkan War (1912–1913). Ottomans managed to recover some territory in Europe, such as Edirne , in

5555-431: The Ottoman state in line with the progress that had been made in Western Europe. The Ottoman constitution of 1876 was the first among Muslim states, but was short-lived . As the empire gradually shrank in size, military power and wealth; especially after the Ottoman economic crisis and default in 1875 which led to uprisings in the Balkan provinces that culminated in the Russo-Turkish War (1877–1878) . The decline of

5656-435: The President, General Staff , Air Force , Naval Force , and Land Force usually report to the Minister of National Defence. The Gendarmerie General Command and the Coast Guard Command are under the jurisdiction of the Ministry of the Interior . Military service is required for 6–12 months for men, which is reduced to one month after paying a fee. Turkey does not recognize conscientious objection and does not offer

5757-418: The Republic, Turkey adopted a civil law legal system, replacing Sharia -derived Ottoman law . The Civil Code , adopted in 1926, was based on the Swiss Civil Code of 1907 and the Swiss Code of Obligations of 1911. Although it underwent a number of changes in 2002, it retains much of the basis of the original Code. The Criminal Code , originally based on the Italian Criminal Code , was replaced in 2005 by

5858-521: The Romanesque medieval builders had to resort to techniques of small windows, large buttresses, or other forms of interior wall cross-bracing to achieve the desired lighting outcomes. In many of the monasteries, a natural solution was cloisters which could have high barrel-vaulted construction with an open courtyard to allow ample lighting. Since 1996 structural engineers have applied Newtonian mechanics to calculate numeric stress loads for ancient stonework barrel vaults. These analyses have typically used

5959-402: The Turkish government, there are 13,251 arrested or convicted people in jail as of 2024, related to the 2016 coup attempt. With a referendum in 2017 , the parliamentary republic was replaced by an executive presidential system . The office of the prime minister was abolished, and its powers and duties were transferred to the president. On the referendum day, while the voting was still underway,

6060-926: The UN agreed. Present-day Turkey has been inhabited by modern humans since the late Paleolithic period and contains some of the world's oldest Neolithic sites. Göbekli Tepe is close to 12,000 years old. Parts of Anatolia include the Fertile Crescent , an origin of agriculture . Other important Anatolian Neolithic sites include Çatalhöyük and Alaca Höyük . Neolithic Anatolian farmers differed genetically from farmers in Iran and Jordan Valley . These early Anatolian farmers also migrated into Europe , starting around 9,000 years ago. Troy's earliest layers go back to around 4500 BC. Anatolia's historical records start with clay tablets from approximately around 2000 BC that were found in modern-day Kültepe . These tablets belonged to an Assyrian trade colony . The languages in Anatolia at that time included Hattian, Hurrian, Hittite , Luwian , and Palaic . Hattian

6161-491: The age of 65. Turkish politics have become increasingly associated with democratic backsliding , being described as a competitive authoritarian system. Elections in Turkey are held for six functions of government: presidential (national), parliamentary (national), municipality mayors (local), district mayors (local), provincial or municipal council members (local), and muhtars (local). Referendums are also held occasionally. Every Turkish citizen who has turned 18 has

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6262-451: The ancient and Classical predecessors, they demonstrate the pervasiveness of the barrel vault as an architectural concept in contemporary times. In the field of bone surgery the technique of a "barrel vault" shaped incision is not only a well-defined state-of-the-art surgical procedure, but the name barrel vault is given to this technique by orthopedic surgeons . The Wohlfahrt study cited documents results of this surgical procedure on

6363-481: The architecture of Iran, some apparently as parts of the fire temples of Zoroastrianism . These normally had small domes above, which Roman examples did not. Since many Roman tetrapylons are in Eastern parts of the empire once ruled by the Persians, influence has been proposed, although Roman examples follow the style of Greco-Roman classical architecture . The tetrapylon was a relatively rare type of monument in classical architecture. The defining quality of this form

6464-402: The barrel vault in macro-architectural design (e.g. as a major structural roofing element), there are a variety of derivative applications clearly based on the original concept and shape of the barrel vault. These applications arise in the fields of surgery , skylight design, children's toys and microstructure design (such as bus shelters). While none of these applications rival the majesty of

6565-425: The barrel vaulted chambers are up to 4.6 m (15 ft) thick, adding the buttressing strength needed to secure the curved design. The inherent difficulty of adequately lighting barrel vaulted structures has been widely acknowledged. The intrinsic engineering issue is the need to avoid fenestration punctures in stonework barrel vaults. Such openings could compromise the integrity of the entire arch system. Thus

6666-563: The beginning, and later on various types of spectacular, ornate and complex medieval vaults were developed. However, with the coming of the Renaissance and the Baroque style, and revived interest in art and architecture of antiquity, barrel vaulting was re-introduced on a truly grandiose scale, and employed in the construction of many famous buildings and churches, such as Basilica di Sant'Andrea di Mantova by Leone Battista Alberti , San Giorgio Maggiore by Andrea Palladio , and perhaps most glorious of all, St. Peter's Basilica in Rome, where

6767-432: The center of the Ottoman Empire to Anatolia. In addition to a small number of Jews, the refugees were overwhelmingly Muslim; they were both Turkish and non-Turkish people, such as Circassians and Crimean Tatars . Paul Mojzes has called the Balkan Wars an "unrecognized genocide", where multiple sides were both victims and perpetrators. Circassian refugees included the survivors of the Circassian genocide . Following

6868-573: The crossing archways of the same size; in some later examples, the plan is oblong, with the longer sides having a larger archway as for example at the Arc de Triomphe in Paris. The three-arched form is called an octopylon as it has eight piers. As it still has four faces it can still be called a quadrifrons. The tetrakionion is another variant, with four groups of columns, usually four in each, that were never connected by stone. Called chahartaq , similar structures were built in Sasanian architecture and perhaps earlier as well as later periods in

6969-436: The electoral threshold by forming an alliance with other parties. Independent candidates are not subject to an electoral threshold. On the right side of the Turkish political spectrum , parties like the Democrat Party , Justice Party , Motherland Party , and Justice and Development Party became the most popular political parties in Turkey, winning numerous elections. Turkish right-wing parties are more likely to embrace

7070-481: The end of the 20th century, the prominent leaders in Turkish politics who achieved multiple election victories were Süleyman Demirel , Bülent Ecevit and Turgut Özal . PKK started a "campaign of terrorist attacks on civilian and military targets" in the 1980s. It is designated as a terrorist organization by Turkey, the United States, and the European Union. Tansu Çiller became the first female prime minister of Turkey in 1993. Turkey applied for full membership of

7171-445: The events as genocide and states that Armenians were only "relocated " from the eastern war zone. Genocidal campaigns were also committed against the empire's other minority groups such as the Assyrians and Greeks . Following the Armistice of Mudros in 1918, the victorious Allied Powers sought the partition of the Ottoman Empire through the 1920 Treaty of Sèvres . The occupation of Istanbul (1918) and İzmir (1919) by

7272-415: The examples on streets. Some, perhaps all, seem to have had statues either on the tops of the columns, or perhaps in between them at the bottom, on the rather high plinths that large examples have. The relatively small example at Aphrodisias , Turkey is rather different, with the two groups of columns on each side of the roadway joined by open pediments over arches, while none of the structure crosses

7373-668: The executive and legislative officials are elected by a plurality vote of citizens by district. The government comprises three branches: first is the legislative branch, which is Grand National Assembly of Turkey ; second is the executive branch, which is the President of Turkey ; and third is the judicial branch, which includes the Constitutional Court , the Court of Cassation and Court of Jurisdictional Disputes . The Parliament has 600 seats, distributed among

7474-672: The four faces usually very similar; these are found "from Spain to Syria", with a probable example in England. Post-classical examples, like the Arc de Triomphe du Carrousel in Paris and the Gateway of India in Mumbai , tend to be oblong, with three arches on the long face, the central of which is the main one, much larger than the side arches, or the single arches passing in the other direction. This

7575-801: The human tibia in 91 such operations. Turkey Turkey , officially the Republic of Türkiye , is a country mainly located in Anatolia in West Asia , with a smaller part called East Thrace in Southeast Europe . It borders the Black Sea to the north; Georgia , Armenia , Azerbaijan , and Iran to the east; Iraq , Syria , and the Mediterranean Sea to the south; and the Aegean Sea , Greece , and Bulgaria to

7676-774: The interior stayed part of the Achaemenid Empire. Two of the Seven Wonders of the Ancient World , the Temple of Artemis in Ephesus, and the Mausoleum of Halicarnassus , were located in Anatolia. Following the victories of Alexander in 334 BC and 333 BC , the Achaemenid Empire collapsed and Anatolia became part of the Macedonian Empire . This led to increasing cultural homogeneity and Hellenization of

7777-499: The latter founded by colonists from Megara in the seventh century BCE. These settlements were grouped as Aeolis , Ionia , and Doris , after the specific Greek groups that settled them. Further Greek colonization in Anatolia was led by Miletus and Megara in 750–480 BC. The Greek cities along the Aegean prospered with trade, and saw remarkable scientific and scholarly accomplishments. Thales and Anaximander from Miletus founded

7878-534: The legitimate government of the country on 23 April 1920 , started to formalize the legal transition from the old Ottoman into the new Republican political system. The Ankara Government engaged in armed and diplomatic struggle. In 1921–1923, the Armenian, Greek, French, and British armies had been expelled. The military advance and diplomatic success of the Ankara Government resulted in the signing of

7979-557: The old religion-based and multi-communal Ottoman monarchy into a Turkish nation state that would be governed as a parliamentary republic under a secular constitution . Women gained the right to vote nationally in 1934. With the Surname Law , the Turkish Parliament bestowed upon Kemal the honorific surname "Atatürk" ( Father Turk ). Atatürk's reforms caused discontent in some Kurdish and Zaza tribes leading to

8080-560: The outermost vault would still have to be quite strong or reinforced by buttressing . The third and most elegant mechanism to resist the lateral thrust was to create an intersection of two barrel vaults at right angles, thus forming a groin vault . Barrel vaults are known from the Ancient Iran ( Elam ), Indian Indus Valley civilization and Ancient Egypt , and were used extensively in Roman architecture . They were also used to replace

8181-476: The principles of political ideologies such as conservatism , nationalism or Islamism . On the left side of the spectrum, parties like the Republican People's Party , Social Democratic Populist Party and Democratic Left Party once enjoyed the largest electoral success. Left-wing parties are more likely to embrace the principles of socialism , Kemalism or secularism . With the founding of

8282-464: The promotion of judges and prosecutors and in their pursuit of public duty. Turkey's constant foreign policy goal is to pursue its national interests. These interests are mainly growing the economy, and maintaining security from internal terrorist and external threats. After the establishment of the Republic, Atatürk and İnönü followed the " peace at home, peace in the world " principle until

8383-453: The province governors ( vali ) and in towns by the governors ( kaymakam ). Other senior public officials are also appointed by the central government, except for the mayors ( belediye başkanı ) who are elected by the constituents. Turkish municipalities have local legislative bodies ( belediye meclisi ) for decision-making on municipal issues. Turkey is subdivided into 81 provinces ( il or vilayet ) for administrative purposes. Each province

8484-445: The provinces proportionally to the population . The Parliament and the president serve a five-year terms, with elections on the same day. The president is elected by direct vote and cannot run for re-election after two terms, unless the parliament calls early presidential elections during the second term. The Constitutional Court is composed of 15 members, elected for single 12-year terms. They are obliged to retire when they are over

8585-494: The reigns of Selim I and Suleiman the Magnificent , the Ottoman Empire became a global power . From 1789 onwards, the empire saw a major transformation , reforms , and centralization while its territory declined . In the 19th and early 20th centuries, persecution of Muslims during the Ottoman contraction and in the Russian Empire resulted in large-scale loss of life and mass migration into modern-day Turkey from

8686-399: The road itself. This thus represents a hybrid of the tetrapylon and tetrakionion. Barrel vault A barrel vault , also known as a tunnel vault , wagon vault or wagonhead vault , is an architectural element formed by the extrusion of a single curve (or pair of curves, in the case of a pointed barrel vault) along a given distance. The curves are typically circular in shape, lending

8787-575: The roof of the metal working furnace, the discovery was made by Vats in 1940 during excavation at Harappa . Ancient Romans most probably inherited their knowledge of barrel vaulting from Etruscans and the Near East. Persians and Romans were the first to use this building method extensively on large-scale projects and were probably the first to use scaffolding to aid them in construction of vaults spanning over widths greater than anything seen before. However, Roman builders gradually began to prefer

8888-424: The use of groin vault ; though more complex to erect, this type of vault did not require heavy, thick walls for support (see below), and thus allowed for more spacious buildings with greater openings and much more light inside, such as thermae . After the fall of the Roman empire , few buildings large enough to require much in the way of vaulting were built for several centuries. In the early Romanesque period,

8989-402: The walls exceedingly thick and strong – this is a primitive and sometimes unacceptable method. A more elegant method is to build two or more vaults parallel to each other; the forces of their outward thrusts will thus negate each other. This method was most often used in construction of churches, where several vaulted naves ran parallel down the length of the building. However, the outer walls of

9090-403: The west. Turkey is home to over 85 million people; most are ethnic Turks , while ethnic Kurds are the largest ethnic minority . Officially a secular state , Turkey has a Muslim-majority population. Ankara is Turkey's capital and second-largest city , while Istanbul is its largest city and economic and financial center. Other major cities include İzmir , Bursa , and Antalya . Turkey

9191-639: Was a language indigenous to Anatolia, with no known modern-day connections. Hurrian language was used in northern Syria . Hittite, Palaic, and Luwian languages were "the oldest written Indo-European languages ", forming the Anatolian sub-group . Hattian rulers were gradually replaced by Hittite rulers. The Hittite kingdom was a large kingdom in Central Anatolia, with its capital of Hattusa . It co-existed in Anatolia with Palaians and Luwians , approximately between 1700 and 1200 BC. As

9292-479: Was a second significant wave of Turkic migration, as people fled Mongol expansion. Seljuk sultanate was defeated by the Mongols at the Battle of Köse Dağ in 1243 and disappeared by the beginning of the 14th century. It was replaced by various Turkish principalities. Based around Söğüt , Ottoman Beylik was founded by Osman I in the early 14th century. According to Ottoman chroniclers, Osman descended from

9393-630: Was called the "State of the Turks" ( Dawlat at-Turk , or Dawlat al-Atrāk , or Dawlat-at-Turkiyya ). Turkestan, also meaning the "land of the Turks", was used for a historic region in Central Asia . Middle English usage of Turkye or Turkeye is found in The Book of the Duchess (written in 1369–1372) to refer to Anatolia or the Ottoman Empire . The modern spelling Turkey dates back to at least 1719. The bird called turkey

9494-429: Was closer to Greek than Anatolian languages. Phrygians shared Anatolia with Neo-Hittites and Urartu . Luwian-speakers were probably the majority in various Anatolian Neo-Hittite states. Urartians spoke a non-Indo-European language and their capital was around Lake Van . Urartu and Phrygia fell in seventh century BC. They were replaced by Carians , Lycians and Lydians . These three cultures "can be considered

9595-632: Was criticized by Iraq for violating its sovereignty and killing civilians. Diplomatic relations with Israel were damaged after the Gaza flotilla raid , normalized in 2016, and cut again following the Israeli invasion of the Gaza Strip . In 2024, Turkey stopped trading with Israel. Turkish Armed Forces is responsible for defense against foreign threats. While the Commander-in-Chief is

9696-538: Was first inhabited by modern humans during the Late Paleolithic . Home to important Neolithic sites like Göbekli Tepe and some of the earliest farming areas , present-day Turkey was inhabited by various ancient peoples . The Hattians were assimilated by the Anatolian peoples , such as the Hittites . Classical Anatolia transitioned into cultural Hellenization following the conquests of Alexander

9797-544: Was known and used in Hellenistic Sicily in 3rd century BC, indicating that the technique was also known to ancient Greeks . The vaulted roof of an early Harappan burial chamber has been noted from Rakhigarhi . S.R Rao reports vaulted roof of a small chamber in a house from Lothal . Barrel vaults were also used in the Late Harappan Cemetery H culture dated 1900 BC-1300 BC which formed

9898-534: Was known and utilized by early civilizations, including ancient Egypt and Mesopotamia . However, it apparently was not a very popular or common method of construction within these civilizations. The Persians and the Romans were the first to make significant architectural use of them. The technique probably evolved out of necessity to roof buildings with masonry elements such as bricks or stone blocks in areas where timber and wood were scarce. The earliest known example of

9999-412: Was named as such due to trade of guineafowl from Turkey to England. The name Turkey has been used in international treaties referring to the Ottoman Empire. With the Treaty of Alexandropol , the name Türkiye entered international documents for the first time. In the treaty signed with Afghanistan in 1921, the expression Devlet-i Âliyye-i Türkiyye ("Sublime Turkish State") was used, likened to

10100-564: Was probably also the form of the Arch of Galerius , which crossed a main city road, with the other axis crossing, or marking, the entrance road for the imperial palace. This may have been extended from a tetrapylon to an octopylon. Although at an important crossroad in the city, the Arch of Septimius Severus at Leptis Magna has three steps up from the road level, suggesting that it was not passed through by wheeled traffic. The better known Parisian Arc de Triomphe has only one arch in each face, but

10201-469: Was proclaimed on 29 October 1923, modelled on the reforms initiated by the country's first president, Mustafa Kemal Atatürk . Turkey remained neutral during most of World War II , but was involved in the Korean War . Several military interventions interfered with the transition to a multi-party system. Turkey is an upper-middle-income and emerging country ; its economy is the world's 17th-largest by nominal and 12th-largest by PPP-adjusted GDP . It

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