The Ziyarid dynasty ( Persian : زیاریان ) was an Iranian dynasty of Gilaki origin that ruled Tabaristan from 931 to 1090 during the Iranian Intermezzo period. The empire rose to prominence during the leadership of Mardavij . After his death, his brother Vushmgir and his Samanid allies led the dynasty in wrestling for control over territory against the Buyids in the early- to mid-10th century. When Vushmgir died, his sons Bisutun and Qabus fought for influence. Qabus would eventually outlive his brother and ruled the kingdom. However, Qabus was placed in exile from 980 to 998 by the Buyid ruler, Adud al-Dawla who would then dominate Tabaristan , the heartland of Ziyarid power. A succession of other rulers came to rule the kingdom with Ghaznavid support in the early 11th century. The Nizari Ismaili state invaded and ended Ziyarid rule in 1090.
82-498: At its greatest extent, it ruled much of present-day western and northern Iran . During the turn of the century, the kingdom attracted many scholars, with the most notable being al-Biruni . The dynasty was descended from Vardanshah, leader of the Shahanshahvand tribe, which traced its descent back to the legendary king Arghush Farhadan , who was the ruler of Gilan , and lived during the time of Kai Khosrow . Vardanshah had
164-422: A 25-year cooperation agreement that will strengthen the relations between the two countries and would include "political, strategic and economic" components. Iran-China relations dates back to at least 200 BC and possibly earlier. Iran is one of the few countries in the world that has a good relationship with both North and South Korea . Iran is a member of dozens of international organizations, including
246-536: A Muslim-majority population . The country is divided into five regions with 31 provinces . Tehran is the nation's capital , largest city and financial center . A cradle of civilization , Iran has been inhabited since the Lower Palaeolithic . The large part of Iran was first unified as a political entity by the Medes under Cyaxares in the seventh century BC, and reached its territorial height in
328-480: A ceremonial body without any real power. The political system is based on the country's constitution . Iran ranked 154th in the 2022 The Economist Democracy Index . Juan José Linz wrote in 2000 that "the Iranian regime combines the ideological bent of totalitarianism with the limited pluralism of authoritarianism ". The President is head of government and the second highest-ranking authority, after
410-590: A close economic and military alliance, and are subject to heavy sanctions by Western nations. Iran is the only country in Western Asia that has been invited to join the CSTO , the Russia-based international treaty organization that parallels NATO . Relations between Iran and China are strong economically; they have developed a friendly, economic and strategic relationship. In 2021, Iran and China signed
492-542: A distinct political and cultural entity. The Muslim conquest of Persia (632–654) ended the Sasanian Empire and marked a turning point in Iranian history, leading to the Islamization of Iran from the eighth to tenth centuries and the decline of Zoroastrianism . However, the achievements of prior Persian civilizations were absorbed into the new Islamic polity. Iran suffered invasions by nomadic tribes during
574-503: A moderate position internationally. In 1997, Rafsanjani was succeeded by moderate reformist Mohammad Khatami , whose government advocated freedom of expression , constructive diplomatic relations with Asia and the European Union , and an economic policy that supported a free market and foreign investment. The 2005 presidential election brought conservative populist and nationalist candidate Mahmoud Ahmadinejad to power. He
656-533: A relative of Anushirvan. In 1035, Abu Kalijar stopped paying tribute to the Ghaznavids, which led to the Ghaznavids invading Tabaristan and sacked the Ziyarid capital of Amol . Abu Kalijar, after having learned the consequences of not paying tribute to the Ghaznavids, agreed to continue paying tribute. This gave Anushirvan the opportunity to imprison Abu Kalijar and gain a firm grip over his kingdom. In 1041/1042,
738-633: A son named Ziyar, who married a sister of the Gilaki king Harusindan , who bore him a son named Mardavij . Mardavij later served another Gilaki military leader named Asfar ibn Shiruya, but later betrayed the latter and conquered Tabaristan, which led to the foundation of the Ziyarid dynasty, which he named after his father. Mardavij then began aggressively expanding his territories, killing Asfar and capturing several important cities in Iran, such as Hamadan , Dinavar , Kashan , Isfahan , Shiraz and Ahvaz from
820-420: A strong response from Iran, based on their historical and cultural background. Iran has full-control over the islands. Kish island , as a free trade zone , is touted as a consumer's paradise, with malls, shopping centres, tourist attractions, and luxury hotels. Qeshm is the largest island in Iran, and a UNESCO Global Geopark since 2016. Its salt cave, Namakdan, is the largest in the world, and one of
902-581: A treaty with the Samanids, Rukn al-Daula promised to leave Vushmgir alone in Tabaristan. Peace between the two sides did not last long, however since in 958 Vushmgir briefly occupied Ray, which was Rukn al-Dawla's capital. Rukn al-Dawla later made a counter-attack, temporarily taking Gorgan in 960, then taking both Tabaristan and Gorgan for a short time in 962. He may have also taken Tabaristan and Gorgan in 966, but did not hold on to them for long. Vushmgir
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#1732766249895984-577: Is officially governed as a unitary Islamic republic with a presidential system , with ultimate authority vested in a Supreme Leader. The government is authoritarian and has attracted widespread criticism for its significant violations of human rights and civil liberties. Iran is a major regional power , due to its large reserves of fossil fuels , including the world's second largest natural gas supply , third largest proven oil reserves , its geopolitically significant location, military capabilities , cultural hegemony , regional influence, and role as
1066-614: Is 49 m. Legend has it, that the body of Qabus was enclosed in a glass coffin which was suspended by chains from the interior dome inside the tower. Qabus , a prominent writer of Arabic, patronized Kamalu'd-din Bundar of Ray, Abu'l-Qasim Ziyad b. Muhammad al-Qamari al-Jurjani, and Abu-Bakr Muhammad b. 'Ali al-Khusravi. Kamalu'd-din Bundar wrote his poetry in Arabic, Persian and Gilaki. The poet Manuchihri would take his penname from his first patron, Falak al-Ma'ali Manuchihr, son of Qabus. By
1148-452: Is accountable only to the Rahbar. The Court's rulings are final and cannot be appealed. The Assembly of Experts, which meets for one week annually, comprises 86 "virtuous and learned" clerics elected by adult suffrage for 8-year terms. Iran is subdivided into thirty-one provinces ( Persian : استان ostân ), each governed from a local centre, usually the largest local city, which is called
1230-478: Is four times that of Europe's. There are over 200 protected areas to preserve biodiversity and wildlife, with over 30 being national parks . Iran's living fauna includes 34 bat species, Indian grey mongoose , small Indian mongoose , golden jackal , Indian wolf , foxes , striped hyena , leopard , Eurasian lynx , brown bear and Asian black bear . Ungulate species include wild boar , urial , Armenian mouflon , red deer , and goitered gazelle . One of
1312-559: Is in a seismically active area. On average, an earthquake of magnitude seven on the Richter scale occurs once every ten years. Most earthquakes are shallow-focus and can be very devastating, such as the 2003 Bam earthquake . Iran consists of the Iranian Plateau . It is one of the world's most mountainous countries; its landscape is dominated by rugged mountain ranges that separate basins or plateaus . The populous west part
1394-520: Is mandatory for all male citizen aged 18 to serve around 14 months in the IRIAF or IRGC. Bisutun Bisutun ( بيستون ) (died 977) was the ruler of the Ziyarids (967–977). He was the eldest son of Vushmgir . During his father's lifetime, Bisutun was the governor of Tabaristan Amol . Upon Vushmgir's death in 967 during a hunting expedition, he went to Gurgan to assume power. His ascension
1476-551: Is the highest judge of the Supreme Court of Iran . The Chief Justice nominates candidates to serve as minister of justice, and the President selects one. The Chief Justice can serve for two five-year terms. The Special Clerical Court handles crimes allegedly committed by clerics , although it has taken on cases involving laypeople . The Special Clerical Court functions independently of the regular judicial framework and
1558-635: Is the most mountainous, with ranges such as the Caucasus , Zagros , and Alborz , the last containing Mount Damavand , Iran's highest point, at 5,610 m (18,406 ft), which is the highest volcano in Asia. Iran's mountains have impacted its politics and economics for centuries. The north part is covered by the lush lowland Caspian Hyrcanian forests , near the southern shores of the Caspian Sea. The east part consists mostly of desert basins, such as
1640-643: The Abbasid caliph al-Muti gave Bisutun the title of Zahir al-Dawla . Bisutun later died in 977, and was succeeded by Qabus. However, he was expelled by the Buyid ruler Adud al-Dawla in 980, because he gave refuge to the latter's rival and brother Fakhr al-Dawla . The Buyids now dominated Tabaristan over 17 years while Qabus was in exile in Khorasan. In 998, Qabus returned to Tabaristan and re-established his authority there. He then established good relations with
1722-745: The Abbasids . He further planned to restore the Sasanian Empire through conquering Baghdad and ousting the Abbasid Caliphate , but was instead murdered in 935. After Mardavij's death, his brother and general Vushmgir was crowned as the new Ziyarid ruler in Ray . Hasan ibn Buya , one of the brothers of the Buyid ruler Ali ibn Buya , took advantage of Mardavij's death by seizing Isfahan from Ziyarid rule. The Samanids also took advantage of
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#17327662498951804-489: The Army , the head of Supreme National Security Council , and has the power to declare a state of emergency after passage by the parliament. The President is responsible for the implementation of the constitution, and for the exercise of executive powers in implementing the decrees and general policies as outlined by the Rahbar, except for matters directly related to the Rahbar, who has the final say. The President functions as
1886-620: The Caucasus to the Russian Empire following the Russo-Persian Wars . Iran remained a monarchy until the 1979 Iranian Revolution , when it officially became an Islamic republic on 1 April 1979. Since then, Iran has experienced significant political, social, and economic changes. The establishment of the Islamic Republic of Iran led to the restructuring of its political system, with Ayatollah Khomeini as
1968-625: The G-15 , G-24 , G-77 , IAEA , IBRD , IDA , NAM , IDB , IFC , ILO , IMF , IMO , Interpol , OIC , OPEC , WHO , and the UN , and currently has observer status at the WTO . The military is organized under a unified structure, the Islamic Republic of Iran Armed Forces , comprising the Islamic Republic of Iran Army , which includes the Ground Forces , Air Defence Force , Air Force , and Navy ;
2050-556: The Ghaznavid ruler Mahmud of Ghazni who had taken control of Khorasan, but still acted as an independent sovereign. During the reign of Qabus, his kingdom was a major attraction to scholars; Abu Rayhan Biruni , the great scientist of the Middle Ages, was supported by Qabus. In fact he dedicated his work Chronology to Qabus around 1000 and observed eclipses of the moon in his capital of Gorgan. Due to his tyrannical rule, Qabus
2132-714: The Islamic Revolutionary Guard Corps , which consists of the Ground Forces , Aerospace Force , Navy , Quds Force , and Basij ; and the Law Enforcement Command (Faraja), which serves an analogous function to a gendarme . While the IRIAF protects the country's sovereignty in a traditional capacity, the IRGC is mandated to ensure the integrity of the Republic, against foreign interference, coups, and internal riots. Since 1925 , it
2214-724: The Kassites , Mannaeans , and Gutians . Georg Wilhelm Friedrich Hegel called the Persians the "first Historical People". The Iranian Empire began in the Iron Age with the rise of the Medes , who unified Iran as a nation and empire in 625 BC. The Achaemenid Empire (550–330 BC), founded by Cyrus the Great , was the largest empire the world had seen, spanning from the Balkans to North Africa and Central Asia . They were succeeded by
2296-763: The Kavir Desert , which is the country's largest desert, and the Lut Desert , as well as salt lakes . The Lut Desert is the hottest recorded spot on the Earth's surface, with 70.7 °C recorded in 2005. The only large plains are found along the coast of the Caspian and at the north end of the Persian Gulf, where the country borders the mouth of the Arvand river . Smaller, discontinuous plains are found along
2378-623: The Late Middle Ages and early modern period , negatively impacting the region. Iran was reunified as an independent state in 1501 by the Safavid dynasty , which established Shia Islam as the empire's official religion, marking another turning point in the history of Islam . Iran functioned again as a leading world power, especially in rivalry with the Ottoman Empire . In the 19th century, Iran lost significant territories in
2460-618: The Pahlavi dynasty . Attempts by Mohammad Mosaddegh to nationalize the oil industry led to an Anglo-American coup in 1953 . After the Iranian Revolution , the monarchy was overthrown in 1979 and the Islamic Republic of Iran was established by Ruhollah Khomeini , who became the country's first Supreme Leader . In 1980, Iraq invaded Iran , sparking the eight-year-long Iran–Iraq War , which ended in stalemate. Iran
2542-647: The Republic of Azerbaijan (611 km or 380 mi); to the north by the Caspian Sea ; to the northeast by Turkmenistan (992 km or 616 mi); to the east by Afghanistan (936 km or 582 mi) and Pakistan (909 km or 565 mi); to the south by the Persian Gulf and the Gulf of Oman ; and to the west by Iraq (1,458 km or 906 mi) and Turkey (499 km or 310 mi). Iran
Ziyarid dynasty - Misplaced Pages Continue
2624-650: The Seleucid , Parthian , and Sasanian Empires , who governed Iran for almost 1,000 years, making Iran a leading power once again. Persia's arch-rival during this time was the Roman Empire and its successor, the Byzantine Empire . Iran endured invasions by the Macedonians , Arabs , Turks , and Mongols . Despite these invasions, Iran continually reasserted its national identity and developed as
2706-736: The Seljuqs , now the new masters of Khorasan, invaded Anushirvan's domains, which forced him to accept their authority. Anushirvan died in 1059 and was succeeded by his cousin Keikavus , the celebrated author of the Qabus nama , a major work of Persian literature . Keikavus died in 1087, and was succeeded by his son Gilanshah . His reign was however short and in 1090, the Nizari Ismaili state under Hassan-i Sabbah invaded and conquered his domains, which ended Ziyarid rule in Tabaristan. One of
2788-560: The South Caucasus . However, they have shared common interests, such as the issue of Kurdish separatism and the Qatar diplomatic crisis . Iran has a close and strong relationship with Tajikistan . Iran has deep economic relations and alliance with Iraq , Lebanon and Syria, with Syria often described as Iran's "closest ally". Russia is a key trading partner, especially in regard to its excess oil reserves. Both share
2870-544: The parliament . The Rahbar is the commander-in-chief of the Armed Forces , controls military intelligence and security operations, and has sole power to declare war or peace. The heads of the judiciary, state radio and television networks, commanders of the police and military, and the members of the Guardian Council are all appointed by the Rahbar. The Assembly of Experts is responsible for electing
2952-626: The 16th century, the native Safavids re-established a unified Iranian state with Twelver Shi'ism as the official religion . During the Afsharid Empire in the 18th century, Iran was a leading world power, though by the 19th century, it had lost significant territory through conflicts with the Russian Empire . The early 20th century saw the Persian Constitutional Revolution and the establishment of
3034-905: The 2nd-most powerful person in Iran, was assassinated by the US , heightening tensions between them . Iran retaliated against US airbases in Iraq , the largest ballistic missile attack ever on Americans; 110 sustained brain injuries . Hardliner Ebrahim Raisi ran for president again in 2021 , succeeding Hassan Rouhani . During Raisi's term, Iran intensified uranium enrichment , hindered international inspections, joined SCO and BRICS, supported Russia in its invasion of Ukraine and restored diplomatic relations with Saudi Arabia. In April 2024, Israel's airstrike on an Iranian consulate , killed an IRGC commander. Iran retaliated with UAVs , cruise and ballistic missiles ; 9 hit Israel. Western and Jordanian military helped Israel down some Iranian drones. It
3116-401: The 4th largest province, also known as Pârs . The Persian Fârs (فارس), derived from the earlier form Pârs (پارس), which is in turn derived from Pârsâ ( Old Persian : 𐎱𐎠𐎼𐎿). Due to Fars' historical importance, Persia originated from this territory through Greek in around 550 BC, and Westerners referred to the entire country as Persia , until 1935, when Reza Shah requested
3198-567: The British pronunciation and / ɪ ˈ r æ n / as the American pronunciation. Voice of America 's pronunciation guide provides / ɪ ˈ r ɑː n / . Iran is home to one of the world's oldest continuous major civilizations, with historical and urban settlements dating back to 4000 BC. The western part of the Iranian plateau participated in the traditional ancient Near East with Elam (3200–539 BC), and later with other peoples such as
3280-689: The Buyid Hasan. Returning to Tabaristan, he was defeated there by al-Hasan, who had previously occupied Gorgan. Vushmgir fled to the Bavandids of the mountains in eastern Tabaristan, then to the court of the Samanid Nuh I . Al-Hasan meanwhile allied with Hasan, but when Ibn Muthaj took Ray from the Buyids in 945, he recognized Samanid authority. Still, in 945 Vushmgir captured Gorgan with Samanid support, but did not manage to retain his rule there. It
3362-540: The Guardian Council is not needed. The Leader can revert the decisions of the Guardian Council. The constitution gives the council three mandates: veto power over legislation passed by the parliament , supervision of elections and approving or disqualifying candidates seeking to run in local, parliamentary, presidential, or Assembly of Experts elections. The council can nullify a law based on two accounts: being against Sharia (Islamic law), or being against
Ziyarid dynasty - Misplaced Pages Continue
3444-508: The Guardian Council, and serves as an advisory body to the Supreme Leader, making it one of the most powerful governing bodies in Iran. The Parliament has 207 constituencies, including the 5 reserved seats for religious minorities. The remaining 202 are territorial, each covering one or more of Iran's counties . Iran uses a form of Sharia law as its legal system, with elements of European Civil law . The Supreme Leader appoints
3526-645: The Iranians), recognised as a derivative of Proto-Indo-European language *ar-yo- , meaning ' one who assembles (skilfully) ' . According to Iranian mythology , the name comes from Iraj , a legendary king. Iran was referred to as Persia by the West , due to Greek historians who referred to all of Iran as Persís , meaning 'the land of the Persians '. Persia is the Fars province in southwest Iran,
3608-407: The Persian Gulf and Gulf of Oman have mild winters, and very humid and hot summers. The annual precipitation ranges from 135 to 355 mm (5.3 to 14.0 in). More than one-tenth of the country is forested . About 120 million hectares of forests and fields are government-owned for national exploitation. Iran's forests can be divided into five vegetation regions: Hyrcanian region which forms
3690-419: The Rahbar, and has the power to dismiss him on the basis of qualifications and popular esteem. To date, the Assembly of Experts has not challenged any of the Rahbar's decisions nor attempted to dismiss him. The previous head of the judicial system, Sadeq Larijani , appointed by the Rahbar, said that it is illegal for the Assembly of Experts to supervise the Rahbar. Many believe the Assembly of Experts has become
3772-450: The Revolution or Supreme Leadership Authority, is the head of state and responsible for supervision of policy. The president has limited power compared to the Rahbar. Key ministers are selected with the Rahbar's agreement and they have the ultimate say on foreign policy. The Rahbar is directly involved in ministerial appointments for Defence, Intelligence and Foreign Affairs, as well as other top ministries after submission of candidates from
3854-468: The Supreme Leader. Iran's foreign relations have been shaped by the Iran–Iraq War (1980–1988), ongoing tensions with the United States, and its nuclear program, which has been a point of contention in international diplomacy. In 1989, Akbar Rafsanjani concentrated on a pro-business policy of rebuilding the economy without breaking with the ideology of the revolution. He supported a free market domestically, favoring privatization of state industries and
3936-402: The Supreme Leader. The President is elected by universal suffrage for 4 years. Before elections , nominees to become a presidential candidate must be approved by the Guardian Council . The Council's members are chosen by the Leader, with the Leader having the power to dismiss the president. The President can only be re-elected for one term. The president is the deputy commander-in-chief of
4018-574: The capital (Persian: مرکز , markaz ) of that province. The provincial authority is headed by a governor-general ( استاندار ostândâr ), who is appointed by the Minister of the Interior subject to approval of the cabinet . Iran maintains diplomatic relations with 165 countries , but not the United States and Israel —a state which Iran derecognised in 1979. Iran has an adversarial relationship with Saudi Arabia due to different political and ideologies. Iran and Turkey have been involved in modern proxy conflicts such as in Syria , Libya , and
4100-432: The constitution. The Supreme National Security Council (SNSC) is at the top of the foreign policy decisions process. The council was formed during the 1989 Iranian constitutional referendum for the protection and support of national interests, the revolution, territorial integrity and national sovereignty. It is mandated by Article 176 of the Constitution to be presided over by the President . The Leader selects
4182-427: The east, Pakistan to the southeast, the Gulf of Oman and the Persian Gulf to the south. With a multi-ethnic population of almost 90 million in an area of 1,648,195 km (636,372 sq mi), Iran ranks 17th globally in both geographic size and population . It is the sixth-largest country entirely in Asia and one of the world's most mountainous countries. Officially an Islamic republic , Iran has
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#17327662498954264-473: The executive of affairs such as signing treaties and other international agreements, and administering national planning, budget, and state employment affairs, all as approved by the Rahbar. The President appoints ministers, subject to the approval of the Parliament, and the Rahbar, who can dismiss or reinstate any minister. The President supervises the Council of Ministers , coordinates government decisions, and selects government policies to be placed before
4346-400: The green belt of the north side of the country; the Turan region, which are mainly scattered in the center of Iran; Zagros region , which mainly contains oak forests in the west; the Persian Gulf region , which is scattered in the southern coastal belt; the Arasbarani region , which contains rare and unique species. More than 8,200 plant species are grown. The land covered by natural flora
4428-453: The head of the Supreme Court and chief public prosecutor. There are several types of courts, including public courts that deal with civil and criminal cases, and revolutionary courts which deal with certain offences, such as crimes against national security . The decisions of the revolutionary courts are final and cannot be appealed. The Chief Justice is the head of the judicial system and responsible for its administration and supervision. He
4510-721: The international community to use its native and original name, Iran ; Iranians called their nation Iran since at least 1000 BC. Today, both Iran and Persia are used culturally, while Iran remains mandatory in official use. The Persian pronunciation of Iran is [ʔiːˈɾɒːn] . Commonwealth English pronunciations of Iran are listed in the Oxford English Dictionary as / ɪ ˈ r ɑː n / and / ɪ ˈ r æ n / , while American English dictionaries provide pronunciations which map to / ɪ ˈ r ɑː n , - ˈ r æ n , aɪ ˈ r æ n / , or / ɪ ˈ r æ n , ɪ ˈ r ɑː n , aɪ ˈ r æ n / . The Cambridge Dictionary lists / ɪ ˈ r ɑː n / as
4592-420: The land of the Aryans ' derives from Middle Persian Ērān , first attested in a 3rd-century inscription at Naqsh-e Rostam , with the accompanying Parthian inscription using Aryān , in reference to the Iranians . Ērān and Aryān are oblique plural forms of gentilic nouns ēr- (Middle Persian) and ary- (Parthian), deriving from Proto-Iranian language *arya- (meaning ' Aryan ', i.e. of
4674-445: The legislature. Eight Vice Presidents serve under the President, as well as a cabinet of 22 ministers, all appointed by the president. Presidential and parliamentary candidates must be approved by the 12-member Guardian Council (all members of which are appointed by the Leader) or the Leader, before running to ensure their allegiance. The Leader rarely does the vetting, but has the power to do so, in which case additional approval of
4756-478: The military or used for wildlife protection, and entry is prohibited or requires a permit. Iran took control of Bumusa , and the Greater and Lesser Tunbs in 1971, in the Strait of Hormuz between the Persian Gulf and Gulf of Oman. Despite the islands being small and having little natural resources or population, they are highly valuable for their strategic location. Although the United Arab Emirates claims sovereignty, it has consistently been met with
4838-441: The most famous animals is the critically endangered Asiatic cheetah , which survives only in Iran. Iran lost all its Asiatic lions and the extinct Caspian tigers by the early 20th century. Domestic ungulates are represented by sheep , goat , cattle , horse , water buffalo , donkey and camel . Bird species like pheasant , partridge , stork , eagles and falcons are native. The Supreme Leader , "Rahbar", Leader of
4920-431: The most famous architectural works of the Ziyarid dynasty is the Gonbad Kavous (meaning the "Dome of Qabus"). The tomb is one of the earliest architectural monuments with a dated inscription surviving in post-Islamic Iran. The tomb, built of fired brick, is an enormous cylinder capped by a conical roof. The circular plan, broken by 10 flanges, is 17 m in diameter, and the walls are 3 m thick. The height from base to tip
5002-435: The national budget. All parliamentary candidates and legislation from the assembly must be approved by the Guardian Council . The Guardian Council can and has dismissed elected members of the parliament. The parliament has no legal status without the Guardian Council, and the Council holds absolute veto power over legislation. The Expediency Discernment Council has the authority to mediate disputes between Parliament and
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#17327662498955084-486: The opportunity, but were defeated by Vushmgir, who then wrested Gorgan from Samanid control. However, Vushmgir soon decided to acknowledge Samanid supremacy, and in 936 he also turned over Gorgan to Makan. Turning against Hasan, he retook Isfahan in 938. In 939 or 940 the Samanid governor Abu 'Ali Chaghani attacked Gorgan; Vushmgir sent Makan aid, but the city fell after a long siege. Abu 'Ali Chaghani then engaged Vushmgir in battle in Ray and defeated him, killing Makan in
5166-415: The president. Regional policy is directly controlled by the Rahbar, with the Ministry of Foreign Affairs' task limited to protocol and ceremonial occasions. Ambassadors to Arab countries, for example, are chosen by the Quds Force , which directly reports to the Rahbar. The Rahbar can order laws to be amended. Setad was estimated at $ 95 billion in 2013 by Reuters, accounts of which are secret even to
5248-532: The process. Vushmgir fled to Tabaristan, but was faced there with a revolt by his governor of Sari , al-Hasan ibn al-Fairuzan , who was a cousin of Makan and blamed the Ziyarid for his death. Vushmgir defeated him, but al-Hasan convinced Abu 'Ali Chaghani to invade Tabaristan. Vushmgir was forced to recognize Samanid authority again. Hasan furthered the Ziyarid's troubles by retaking Isfahan in 940. When Abu 'Ali Chaghani left for Samanid-held Khurasan , Vushmgir retook control of Ray. He then lost it for good in 943, to
5330-430: The region in the seventh century AD, leading to Iran's Islamization . The blossoming literature , philosophy , mathematics , medicine , astronomy and art became major elements for Iranian civilization during the Islamic Golden Age . A series of Iranian Muslim dynasties ended Arab rule, revived the Persian language and ruled the country until the Seljuk and Mongol conquests of the 11th to 14th centuries. In
5412-421: The reign of Keikavus however, the Ziyard court was Persianate, with Keikavus writing the Persian literary work, Qabus-nama . Iran Iran , officially the Islamic Republic of Iran ( IRI ), also known as Persia , is a country in West Asia . It borders Turkey to the northwest and Iraq to the west, Azerbaijan , Armenia , the Caspian Sea , and Turkmenistan to the north, Afghanistan to
5494-473: The remaining coast of the Persian Gulf, the Strait of Hormuz , and Gulf of Oman. Iranian islands are mainly located in the Persian Gulf. Iran has 102 islands in Urmia Lake , 427 in Aras River , several in Anzali Lagoon , Ashurade Island in the Caspian Sea , Sheytan Island in the Oman Sea and other inland islands. Iran has an uninhabited island at the far end of the Gulf of Oman , near Pakistan. A few islands can be visited by tourists. Most are owned by
5576-471: The secretary of the Supreme Council, and the decisions of the council are effective after the confirmation by the Leader. The SNSC formulates nuclear policy, and would become effective if they are confirmed by the Leader. The legislature , known as the Islamic Consultative Assembly (ICA), Iranian Parliament or "Majles", is a unicameral body comprising 290 members elected for four-years. It drafts legislation, ratifies international treaties , and approves
5658-507: The sixth century BC, when Cyrus the Great founded the Achaemenid Empire , one of the largest in ancient history . Alexander the Great conquered the empire in the fourth century BC. An Iranian rebellion established the Parthian Empire in the third century BC and liberated the country, which was succeeded by the Sasanian Empire in the third century AD. Ancient Iran saw some of the earliest developments of writing, agriculture, urbanisation, religion and central government. Muslims conquered
5740-420: The support of al-Hasan ibn al-Fairuzan , who was ruling in Simnan at that time. Bisutun eventually managed to conquer both Gurgan and Simnan, forcing Qabus to give up his claims. For the rest of his reign, Bisutun maintained good relations with the Buyids. He married a daughter of 'Adud al-Dawla , the eldest son of Rukn al-Dawla, and in 971 the Caliph al-Muti , who was a Buyid puppet, confirmed upon Bisutun
5822-489: The title of Zahir al-Dawla . Bisutun also paid attention to his western border. He released the Alid al-Hasan al-Tha'ir , who his father had imprisoned, and gave him money so that he could dislodge the ruler of the coastal town of Hausam (located in Gilan ), Abu Muhammad al-Nasir . Al-Hasan al-Tha'ir, however, was defeated and killed by Abu Muhammad. His son Abu'l-Hasan 'Ali eventually expelled Abu Muhammad from Hausam, probably with Bisutun's support, and he acknowledged
5904-573: The west part. The UN Resident Coordinator for Iran, has said that " Water scarcity poses the most severe human security challenge in Iran today". To the west, settlements in the Zagros basin experience lower temperatures, severe winters with freezing average daily temperatures and heavy snowfall. The east and central basins are arid, with less than 200 mm (7.9 in) of rain and have occasional deserts. Average summer temperatures rarely exceed 38 °C (100.4 °F). The southern coastal plains of
5986-604: The world's focal point of Shia Islam . The Iranian economy is the world's 23rd-largest by PPP . Iran is a founding member of the United Nations , OIC , OPEC , and ECO as well as a current member of the NAM , SCO , and BRICS . Iran is home to 28 UNESCO World Heritage Sites , the 10th highest in the world, and ranks 5th in Intangible Cultural Heritage , or human treasures. The term Iran '
6068-451: The world's longest caves. Iran's climate is diverse, ranging from arid and semi-arid , to subtropical along the Caspian coast and northern forests. On the north edge of the country, temperatures rarely fall below freezing and the area remains humid. Summer temperatures rarely exceed 29 °C (84.2 °F). Annual precipitation is 680 mm (26.8 in) in the east part of the plain and more than 1,700 mm (66.9 in) in
6150-535: Was contested, however, by a Samanid army which had arrived shortly before Vushmgir's death for a joint campaign against the Buyid Rukn al-Dawla . The army commander supported making Bisutun's brother Qabus as ruler of the Ziyarids. Bisutun then turned to Rukn al-Dawla, recognizing the latter's sovereignty in an attempt to gain support. The Samanid army soon left Gurgan, returning to Khurasan , but Qabus found
6232-511: Was elected to office. Iran has an area of 1,648,195 km (636,372 sq mi). It is the sixth-largest country entirely in Asia and the second-largest in West Asia. It lies between latitudes 24° and 40° N , and longitudes 44° and 64° E . It is bordered to the northwest by Armenia (35 km or 22 mi), the Azeri exclave of Nakhchivan (179 km or 111 mi), and
6314-486: Was killed by a boar during a hunt in 967, shortly after a Samanid army had arrived for a joint campaign against the Buyids. He was succeeded by his eldest son Bisutun . However, the Samanid army favored another son, Qabus , and challenged Bisutun's rule. Bisutun then agreed with Rukn al-Dawla to become his vassal in return for protection against the Samanids, which forced the Samanid army to withdraw to Khorasan . In 971,
6396-600: Was known for his hardline views, nuclearisation, and hostility towards Israel , Saudi Arabia , the UK , the US and other states. He was the first president to be summoned by the parliament to answer questions regarding his presidency. In 2013, centrist and reformist Hassan Rouhani was elected president. In domestic policy, he encouraged personal freedom, free access to information, and improved women's rights. He improved Iran's diplomatic relations through exchanging conciliatory letters. The Joint Comprehensive Plan of Action (JCPOA)
6478-426: Was only in 947 when he was able to take Gorgan and Tabaristan from al-Hasan with the help of a large Samanid army. In 948 Hasan (who since the Buyids' entrance into Baghdad in 945 had used the title Rukn al-Dawla ) invaded Tabaristan and Gorgan and took them from Vushmgir. While al-Hasan supported the Buyids, Vushmgir relied on his Samanid allies. Tabaristan and Gorgan changed hands several times until 955, when in
6560-415: Was overthrown by his own army in 1012, and was succeeded by his son Manuchihr , who quickly recognized the sovereignty of Mahmud of Ghazni, and married one of his daughters. Manuchihr died in 1031, and was succeeded by his son Anushirvan Sharaf al-Ma'ali whom Mahmud of Ghazni had chosen as the heir of the Ziyarid dynasty. From 1032 to 1040, the real power behind the throne was held by Abu Kalijar ibn Vayhan,
6642-658: Was reached in Vienna in 2015, between Iran, the P5+1 ( UN Security Council + Germany) and the EU. The negotiations centered around ending the economic sanctions in exchange for Iran's restriction in producing enriched uranium . In 2018, however, the US under Trump Administration withdrew from the deal and new sanctions were imposed. This nulled the economic provisions, left the agreement in jeopardy, and brought Iran to nuclear threshold status . In 2020, IRGC general, Qasem Soleimani ,
6724-642: Was the largest drone strike in history, biggest missile attack in Iranian history, its first ever direct attack on Israel and the first time since 1991 , Israel was directly attacked by a state force. This occurred during heightened tensions amid the Israeli invasion of the Gaza Strip . In May 2024, President Raisi was killed in a helicopter crash , and Iran held a presidential election in June, when reformist and former Minister of Health , Masoud Pezeshkian ,
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