151-582: The Islamic Golden Age was a period of scientific, economic and cultural flourishing in the history of Islam , traditionally dated from the 8th century to the 13th century. This period is traditionally understood to have begun during the reign of the Abbasid caliph Harun al-Rashid (786 to 809) with the inauguration of the House of Wisdom , which saw scholars from all over the Muslim world flock to Baghdad ,
302-456: A Muslim Agricultural Revolution ) and the arts and sciences (considered a Muslim Scientific Revolution ) also prospered under Abbasid caliphs al-Mansur (ruled 754–775), Harun al-Rashid (ruled 786–809), al-Ma'mun (ruled 809–813) and their immediate successors. Many non-Muslims, such as Christians , Jews and Sabians , contributed to the Islamic civilization in various fields, and
453-569: A condition, divide the patients into two groups, perform bloodletting only on one group, watch both, and compare the results." Astronomy in Islam was able to grow greatly because of several key factors. One factor was geographical: the Islamic world was close to the ancient lands of the Greeks, which held valuable ancient knowledge of the heavens in Greek manuscripts. During the new Abbasid Dynasty after
604-528: A contentious matter of debate, which has been extensively discussed both among Muslim scholars and Non-Muslim scholars within the academic field of Islamic studies . Various authors, Islamic activists, and historians of Islam have proposed several understandings of Muhammad's intent and ambitions regarding his religio-political mission in the context of the pre-Islamic Arabian society and the founding of his own religion: Was it in Muhammad's mind to produce
755-590: A court to rival that of Constantinople . He expanded the frontiers of the empire, reaching the edge of Constantinople at one point, though the Byzantines drove him back and he was unable to hold any territory in Anatolia . Sunni Muslims credit him with saving the fledgling Muslim nation from post- civil war anarchy. However, Shia Muslims accuse him of instigating the war, weakening the Muslim nation by dividing
906-532: A gradual decline much earlier; thus, Khan (2003) identifies the proper golden age as being the two centuries between 750 and 950, arguing that the beginning loss of territories under Harun al-Rashid worsened after the death of al-Ma'mun in 833, and that the crusades in the 12th century resulted in a weakening of the Islamic empire from which it never recovered. Regarding the end of the Gola, Mohamad Abdalla argues
1057-695: A great portion of the Turkic groups, and several of the princes in India were Shia. The political unity of Islam began to disintegrate. Under the influence of the Abbasid caliphs, independent dynasties appeared in the Muslim world and the caliphs recognized such dynasties as legitimately Muslim. The first was the Tahirids in Khorasan , which was founded during the caliph Al-Ma'mun 's reign. Similar dynasties included
1208-545: A justification for the emancipation of science and philosophy from official Ash'ari theology; thus, Averroism has been considered a precursor to modern secularism . Early Middle Ages According to Arab sources in the year 750, Al-Saffah , the founder of the Abbasid Caliphate, launched a massive rebellion against the Umayyad Caliphate from the province of Khurasan near Talas. After eliminating
1359-583: A long period of time the personal physicians of the Abbasid Caliphs were often Assyrian Christians . Among the most prominent Christian families to serve as physicians to the caliphs were the Bukhtishu dynasty. Throughout the 4th to 7th centuries, Christian scholarly work in the Greek and Syriac languages was either newly translated or had been preserved since the Hellenistic period. Among
1510-469: A man deprived of sense experience by being blindfolded and free falling would still be aware of his existence. In epistemology , Ibn Tufail wrote the novel Hayy ibn Yaqdhan and in response Ibn al-Nafis wrote the novel Theologus Autodidactus . Both were concerning autodidacticism as illuminated through the life of a feral child spontaneously generated in a cave on a desert island . Persian mathematician Muḥammad ibn Mūsā al-Khwārizmī played
1661-405: A method that could be generally used to determine the sum for any integral power. He used this to find the volume of a paraboloid . He could find the integral formula for any polynomial without having developed a general formula. Islamic art makes use of geometric patterns and symmetries in many of its art forms, notably in girih tilings. These are formed using a set of five tile shapes, namely
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#17327661854261812-479: A mosque, boarding house, and a library. It was maintained by a waqf (charitable endowment), which paid salaries of professors, stipends of students, and defrayed the costs of construction and maintenance. The madrasa was unlike a modern college in that it lacked a standardized curriculum or institutionalized system of certification. Muslims distinguished disciplines inherited from pre-Islamic civilizations, such as philosophy and medicine, which they called "sciences of
1963-509: A number of the proponents of contemporary da'wah activity in the West trace their inspiration to the prophet himself, claiming that he initiated a worldwide missionary program in which they are the most recent participants. [...] Despite the claims of these and other writers, it is difficult to prove that Muhammad intended to found a world-encompassing faith superseding the religions of Christianity and Judaism . His original aim appears to have been
2114-772: A period. Weakened by the civil wars, the Umayyad lost supremacy at sea, and had to abandon the islands of Rhodes and Crete . Under the rule of Yazid I , some Muslims in Kufa began to think that if Husayn ibn Ali the descendant of Muhammad was their ruler, he would have been more just. He was invited to Kufa but was later betrayed and killed. Imam Husain's son, Imam Ali ibn Husain , was imprisoned along with Husain's sister and other ladies left in Karbala war. Due to opposition by public they were later released and allowed to go to their native place Medina. One Imam after another continued in
2265-409: A process of socialization of aspiring scholars, who came from virtually all social backgrounds, into the ranks of the ulema . For the first few centuries of Islam, educational settings were entirely informal, but beginning in the 11th and 12th centuries, the ruling elites began to establish institutions of higher religious learning known as madrasas in an effort to secure support and cooperation of
2416-431: A regular decagon , an elongated hexagon , a bow tie, a rhombus , and a regular pentagon . All the sides of these tiles have the same length; and all their angles are multiples of 36° (π/5 radians ), offering fivefold and tenfold symmetries. The tiles are decorated with strapwork lines (girih), generally more visible than the tile boundaries. In 2007, the physicists Peter Lu and Paul Steinhardt argued that girih from
2567-450: A short time in 744, before he abdicated. Marwan II ruled from 744 until he was killed in 750. He was the last Umayyad ruler to rule from Damascus. Marwan named his two sons Ubaydallah and Abdallah heirs. He appointed governors and asserted his authority by force. Anti-Umayyad feeling was very prevalent, especially in Iran and Iraq. The Abbasids had gained much support. Marwan's reign as caliph
2718-422: A significant role in the development of algebra , arithmetic and Hindu–Arabic numerals . He has been described as the father or founder of algebra . Another Persian mathematician, Omar Khayyam , is credited with identifying the foundations of Analytic geometry . Omar Khayyam found the general geometric solution of the cubic equation . His book Treatise on Demonstrations of Problems of Algebra (1070), which
2869-504: A source of law in place of qiyas and extension of the notion of sunnah to include traditions of the imams . The body of substantive Islamic law was created by independent jurists ( muftis ). Their legal opinions ( fatwas ) were taken into account by ruler-appointed judges who presided over qāḍī 's courts, and by maẓālim courts, which were controlled by the ruler's council and administered criminal law. Classical Islamic theology emerged from an early doctrinal controversy which pitted
3020-579: A successful military campaign known as the Ridda wars , whose momentum was carried into the lands of the Byzantine and Sasanian empires. By the end of the reign of the second caliph ʿUmar ibn al-Khaṭṭāb , the Arab Muslim armies, whose battle-hardened ranks were now swelled by the defeated rebels and former imperial auxiliary troops, invaded the eastern Byzantine provinces of Syria and Egypt , while
3171-416: A world religion or did his interests lie mainly within the confines of his homeland? Was he solely an Arab nationalist —a political genius intent upon uniting the proliferation of tribal clans under the banner of a new religion—or was his vision a truly international one, encompassing a desire to produce a reformed humanity in the midst of a new world order? These questions are not without significance, for
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#17327661854263322-560: Is listed in The Guinness Book Of Records as the world's oldest degree-granting university. The Al-Azhar University was another early madrasa now recognized as a university. The madrasa is one of the relics of the Fatimid caliphate. The Fatimids traced their descent to Muhammad's daughter Fatimah and named the institution using a variant of her honorific title Al-Zahra (the brilliant). Organized instruction in
3473-485: Is made up of lines of altitude and azimuth with an index, horizon, hour circle, zenith, Rete , star pointer, and equator to accurately show where the stars are at that given moment. Use of the astrolabe is best expressed in Al-Farghani 's treatise on the astrolabe due to the mathematical way he applied the instrument to astrology, astronomy, and timekeeping. The earliest known Astrolabe in existence today comes from
3624-415: Is no unambiguous definition of the term, and depending on whether it is used with a focus on cultural or on military achievement, it may be taken to refer to rather disparate time spans. Thus, one 19th century author would have it extend to the duration of the caliphate, or to "six and a half centuries", while another would have it end after only a few decades of Rashidun conquests, with the death of Umar and
3775-437: Is supposed to have lasted from the end of the ninth to the end of the eleventh century. The era after this period is conventionally known as the "age of decline". A survey of literature from the nineteenth century onwards demonstrates that the decline theory has become the preferred paradigm in general academia. The various Quranic injunctions and Hadith (or actions of Muhammad ), which place values on education and emphasize
3926-473: The ahl al-hadith movement, led by Ahmad ibn Hanbal , who considered the Quran and authentic hadith to be the only acceptable authority in matters of faith, against Mu'tazilites and other theological currents, who developed theological doctrines using rationalistic methods. In 833 the caliph al-Ma'mun tried to impose Mu'tazilite theology on all religious scholars and instituted an inquisition ( mihna ), but
4077-714: The Al-Azhar Mosque began in 978. Arabic became a trade language . The Muslim-ruled Spanish capital of Córdoba , which surpassed Constantinople as the Europe 's largest city, also became a prominent world leading centre of education and learning producing numerous polymaths. Juristic thought gradually developed in study circles, where independent scholars met to learn from a local master and discuss religious topics. At first, these circles were fluid in their membership, but with time distinct regional legal schools crystallized around shared sets of methodological principles. As
4228-647: The Arabian Peninsula , and continuing through to the present day. The first-ever establishment of an Islamic polity goes back to the Islamic State of Medina , which was established by Muhammad in the city of Medina in 622 CE. Following his death in 632 CE, his immediate successors established the Rashidun Caliphate . After that Muslim dynasties rose; some of these dynasties established notable and prominent Muslim empires, such as
4379-843: The Banu Qays Arabs against Yemenis and non-Arab Muslims , and Yazid received further support from the Qadariya and Murji'iya (believers in human free will ). Walid was shortly thereafter deposed in a coup . Yazid disbursed funds from the treasury and acceded to the Caliph. He explained that he had rebelled on behalf of the Book of God and the Sunna. Yazid reigned for only six months, while various groups refused allegiance and dissident movements arose, after which he died. Ibrahim ibn al-Walid , named heir apparent by his brother Yazid III, ruled for
4530-589: The Battle of Tours ). In the east, Islamic armies under Muhammad ibn al-Qasim made it as far as the Indus Valley . Under Al-Walid, the caliphate empire stretched from the Iberian Peninsula to India. Al-Hajjaj ibn Yusuf played a crucial role in the organization and selection of military commanders. Al-Walid paid great attention to the expansion of an organized military, building the strongest navy in
4681-746: The Berber Revolt . He was also faced with a revolt by Zayd ibn Ali . Hisham suppressed both revolts. The Abbasids continued to gain power in Khurasan and Iraq. However, they were not strong enough to make a move yet. Some were caught and punished or executed by eastern governors. The Battle of Akroinon , a decisive Byzantine victory, was during the final campaign of the Umayyad dynasty. Hisham died in 743. Al-Walid II saw political intrigue during his reign. Yazid III spoke out against his cousin Walid's "immorality" which included discrimination on behalf of
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4832-475: The Byzantine Empire ) also existed. Each wanted the capital of the newly established Islamic empire to be in their area. As ʿUthmān became very old, Marwan I , a relative of Muawiyah slipped into the vacuum, becoming his secretary and slowly assuming more control. When ʿUthmān was assassinated in 656 CE, ʿAlī ibn Abī Ṭālib , cousin and son-in-law of Muhammad, assumed the position of caliph and moved
4983-662: The Caliphate of Córdoba , which lasted until 1031 before falling due to the Fitna of al-Andalus . The Bayt al-mal, the Welfare State then continued under the Abbasids. At its largest extent, the Umayyad dynasty covered more than 5,000,000 square miles (13,000,000 km ) making it one of the largest empires the world had yet seen, and the fifth largest contiguous empire ever. Muawiyah beautified Damascus, and developed
5134-531: The Day of Ashura . Political unrest called the second Muslim civil war (the "Second Fitna") continued, but Muslim rule was extended under Muawiyah I to Rhodes , Crete , Kabul , Bukhara , and Samarkand , and expanded into North Africa . In 664 CE, Arab Muslim armies conquered Kabul , and in 665 CE pushed further into the Maghreb . The Umayyad dynasty (or Ommiads), whose name derives from Umayya ibn Abd Shams ,
5285-556: The Fatimids , Seljuks , Ayyubids , and Mamluks were among the most influential powers in the world. Highly Persianized empires built by the Samanids , Ghaznavids , and Ghurids significantly contributed to technological and administrative developments. The Islamic Golden Age gave rise to many centers of culture and science and produced notable polymaths , astronomers , mathematicians , physicians , and philosophers during
5436-522: The First Fitna . During the early 20th century, the term was used only occasionally and often referred to as the early military successes of the Rashidun caliphs . It was only in the second half of the 20th century that the term came to be used with any frequency, now mostly referring to the cultural flourishing of science and mathematics under the caliphates during the 9th to 11th centuries (between
5587-578: The Fourth Fitna . Al-Ma'mun 's general Tahir ibn Husayn took Baghdad , executing Al-Amin. The war led to a loss of prestige for the dynasty. The Abbasids soon became caught in a three-way rivalry among Coptic Arabs, Indo-Persians , and immigrant Turks. In addition, the cost of running a large empire became too great. The Turks, Egyptians, and Arabs adhered to the Sunnite sect; the Persians,
5738-482: The Iberian peninsula (modern Spain and Portugal) in the 10th century. It was easier to manufacture than parchment , less likely to crack than papyrus , and could absorb ink, making it difficult to erase and ideal for keeping records. Islamic paper makers devised assembly-line methods of hand-copying manuscripts to turn out editions far larger than any available in Europe for centuries. It was from these countries that
5889-530: The Maghreb (north-west Africa), the Sahel , the Swahili Coast , Somalia , southern Iberia ( al-Andalus ), Transoxania ( Central Asia ), Hindustan (including modern-day North India , Bangladesh , and Pakistan ), and Anatolia (modern-day Turkey ). It is necessarily an approximation, since rule over some regions was sometimes divided among different centers of power, and authority in larger polities
6040-658: The Middle Ages . By the early 13th century, the Delhi Sultanate conquered the northern Indian subcontinent , while Turkic dynasties like the Sultanate of Rum and Artuqids conquered much of Anatolia from the Byzantine Empire throughout the 11th and 12th centuries. In the 13th and 14th centuries, destructive Mongol invasions , along with the loss of population due to the Black Death , greatly weakened
6191-473: The Persian Gulf . There was also a yearning for a more "spiritual form of religion", and "the choice of religion increasingly became an individual rather than a collective issue." While some Arabs were reluctant to convert to a foreign faith, those Abrahamic religions provided "the principal intellectual and spiritual reference points", and Jewish and Christian loanwords from Aramaic began to replace
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6342-481: The Quran , either at home or in a primary school, which was often attached to a mosque. Some students would then proceed to training in tafsir (Quranic exegesis) and fiqh (Islamic jurisprudence), which was seen as particularly important. Education focused on memorization, but also trained the more advanced students to participate as readers and writers in the tradition of commentary on the studied texts. It also involved
6493-590: The Reconquista . Nonetheless, in the early modern period , the gunpowder empires —the Ottomans , Timurids , Mughals , and Safavids —emerged as world powers. During the 19th and early 20th centuries, most of the Muslim world fell under the influence or direct control of the European Great Powers . Some of their efforts to win independence and build modern nation-states over the course of
6644-471: The Saffarids , Samanids , Ghaznavids and Seljuqs . During this time, advancements were made in the areas of astronomy, poetry, philosophy, science, and mathematics. Islamic Empire This article includes a list of successive Islamic states and Muslim dynasties beginning with the time of the Islamic prophet Muhammad (570–632 CE) and the early Muslim conquests that spread Islam outside of
6795-814: The Samanid Empire . In Persia the Ghaznavids snatched power from the Abbasids. Abbasid influence had been consumed by the Great Seljuq Empire (a Muslim Turkish clan which had migrated into mainland Persia) by 1055. Two other Turkish tribes, the Karahanids and the Seljuks , converted to Islam during the 10th century. Later, they were subdued by the Ottomans, who share the same origin and language. The Seljuks played an important role in
6946-678: The Stanford Encyclopedia of Philosophy , translation of philosophical texts from Arabic to Latin in Western Europe "led to the transformation of almost all philosophical disciplines in the medieval Latin world". The influence of Islamic philosophers in Europe was particularly strong in natural philosophy, psychology and metaphysics, though it also influenced the study of logic and ethics. Ibn Sina argued his " Floating man " thought experiment concerning self-awareness , in which
7097-691: The Timurid Renaissance under the Timurid dynasty . With a new and easier writing system , and the introduction of paper , information was democratized to the extent that, for probably the first time in history, it became possible to make a living from only writing and selling books. The use of paper spread from China into Muslim regions in the eighth century through mass production in Samarkand and Khorasan , arriving in Al-Andalus on
7248-527: The Umayyad dynasty . After Muhammad's death, Abū Bakr , one of his closest associates, was chosen as the first caliph ("successor"). Although the office of caliph retained an aura of religious authority, it laid no claim to prophecy. A number of tribal Arab leaders refused to extend the agreements made with Muhammad to Abū Bakr, ceasing payments of the alms levy and in some cases claiming to be prophets in their own right. Abū Bakr asserted his authority in
7399-590: The Ummah , fabricating self-aggrandizing heresies slandering the Prophet 's family and even selling his Muslim critics into slavery in the Byzantine empire. One of Muawiyah's most controversial and enduring legacies was his decision to designate his son Yazid as his successor. According to Shi'a doctrine, this was a clear violation of the treaty he made with Hasan ibn Ali. In 682, Yazid restored Uqba ibn Nafi as
7550-424: The angel Gabriel , which would later form the Quran . These inspirations urged him to proclaim a strict monotheistic faith , as the final expression of Biblical prophetism earlier codified in the sacred texts of Judaism and Christianity; to warn his compatriots of the impending Judgement Day ; and to castigate social injustices of his city. Muhammad's message won over a handful of followers (the ṣaḥāba ) and
7701-668: The compilation of the Quran was finished some time between 650 and 656 CE, and copies were sent out to the different centers of the expanding Islamic empire. After Muhammad's death, the old tribal differences between the Arabs started to resurface. Following the Roman–Persian wars and the Byzantine-Sasanian wars , deep-rooted differences between Iraq (formerly under the Sasanian Empire ) and Syria (formerly under
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#17327661854267852-677: The divisions of the world theologically would form. These trends would continue into the Fatimid and Ayyubid periods. Politically, the Abbasid Caliphate evolved into an Islamic monarchy ( unitary system of government .) The regional Sultanate and Emirate governors' existence, validity, or legality were acknowledged for unity of the state. In the early Islamic philosophy of the Iberian Umayyads , Averroes presented an argument in The Decisive Treatise , providing
8003-447: The kinship -based society of the Arabs and were perceived as a lower class within the Umayyad empire. Islamic ecumenism , promoted by the Abbasids, refers to the idea of unity of the Ummah in the literal meaning: that there was a single faith. Islamic philosophy developed as the Shariah was codified, and the four Madhabs were established. This era also saw the rise of classical Sufism . Religious achievements included completion of
8154-436: The law of sines is attributed; he wrote " The Book of Unknown Arcs of a Sphere " in the 11th century. This formula relates the lengths of the sides of any triangle, rather than only right triangles , to the sines of its angles. According to the law, where a , b , and c are the lengths of the sides of a triangle, and A , B , and C are the opposite angles (see figure). The earliest use of statistical inference
8305-437: The political , social , economic , military , and cultural developments of the Islamic civilization . Most historians believe that Islam originated with Muhammad's mission in Mecca and Medina at the start of the 7th century CE, although Muslims regard this time as a return to the original faith passed down by the Abrahamic prophets , such as Adam , Noah , Abraham , Moses , David , Solomon , and Jesus , with
8456-412: The "world's first true scientist". Avicenna made rules for testing the effectiveness of drugs, including that the effect produced by the experimental drug should be seen constantly or after many repetitions, to be counted. The physician Rhazes was an early proponent of experimental medicine and recommended using control for clinical research. He said: "If you want to study the effect of bloodletting on
8607-425: The 15th century resembled quasicrystalline Penrose tilings . Elaborate geometric zellige tilework is a distinctive element in Moroccan architecture . Muqarnas vaults are three-dimensional but were designed in two dimensions with drawings of geometrical cells. Jamshīd al-Kāshī 's estimate of pi would not be surpassed for 180 years. Ibn Muʿādh al-Jayyānī is one of the several Islamic mathematicians on whom
8758-420: The Arab clan of Quraysh , which was the chief tribe of Mecca and a dominant force in western Arabia. To counter the effects of anarchy (particularly raiding for booty between tribes), they upheld the institution of "sacred months" when all violence was forbidden and travel was safe. The polytheistic Kaaba shrine in Mecca and the surrounding area was a popular pilgrimage destination for surrounding Arabs, which
8909-477: The Arabian peninsula entered into various agreements with him, some under terms of alliance, others acknowledging his claims of prophethood and agreeing to follow Islamic practices, including paying the alms levy to his government, which consisted of a number of deputies, an army of believers, and a public treasury. The real intentions of Muhammad regarding the spread of Islam, its political undertone, and his missionary activity ( da'wah ) during his lifetime are
9060-535: The Arabic writings attributed to Jābir ibn Ḥayyān (written c. 850–950), would remain the basis of all theories of metallic composition until the eighteenth century. Likewise, the Emerald Tablet , a compact and cryptic text that all later alchemists up to and including Isaac Newton (1642–1727) would regard as the foundation of their art, first occurs in the Sirr al-khalīqa and in one of the works attributed to Jābir. Substantial advances were also made in practical chemistry. The works attributed to Jābir, and those of
9211-434: The Byzantine Empire and moved on into Carthage and across to the west of North Africa. Muslim armies under Tariq ibn Ziyad crossed the Strait of Gibraltar and began to conquer the Iberian Peninsula using North African Berber armies. The Visigoths of the Iberian Peninsula were defeated when the Umayyad conquered Lisbon . The Iberian Peninsula was the farthest extent of Islamic control of Europe (they were stopped at
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#17327661854269362-424: The Byzantine side proved decisive. The Muslims sustained heavy losses. Sulayman died suddenly in 717. Yazid II came to power on the death of Umar II. Yazid fought the Kharijites, with whom Umar had been negotiating, and killed the Kharijite leader Shawdhab. In Yazid's reign, civil wars began in different parts of the empire. Yazid expanded the Caliphate's territory into the Caucasus, before dying in 724. Inheriting
9513-469: The Caliph after the defection of a large contingent of Slavs . The Islamic currency was then made the exclusive currency in the Muslim world. He reformed agriculture and commerce. Abd al-Malik consolidated Muslim rule and extended it, made Arabic the state language, and organized a regular postal service . Al-Walid I began the next stage of Islamic conquests. Under him the early Islamic empire reached its farthest extent. He reconquered parts of Egypt from
9664-454: The Caliphate from Damascus to Baghdad marked the accession of a new family to power. As the state grew, the state expenses increased. Additionally the Bayt al-mal and the Welfare State expenses to assist the Muslim and the non-Muslim poor, needy, elderly, orphans, widows, and the disabled, increased, the Umayyads asked the new converts (mawali) to continue paying the poll tax. The Umayyad rule, with its wealth and luxury also seemed at odds with
9815-407: The Fatimids had conquered Abbasid Egypt, building a capital there in 973 called " al-Qahirah " (meaning "the planet of victory", known today as Cairo ). During its decline, the Abbasid Caliphate disintegrated into minor states and dynasties, such as the Tulunid and the Ghaznavid dynasty . The Ghaznavid dynasty was a Muslim dynasty established by Turkic slave-soldiers from another Islamic empire,
9966-494: The Islamic faith and mosques, separated by doctrine, history, and practice, were pushed to cooperate. The Abbasids also distinguished themselves from the Umayyads by attacking the Umayyads' moral character and administration. According to Ira Lapidus , "The Abbasid revolt was supported largely by Arabs, mainly the aggrieved settlers of Marw with the addition of the Yemeni faction and their Mawali ". The Abbasids also appealed to non-Arab Muslims, known as mawali , who remained outside
10117-460: The Islamic message preached by Muhammad. All this increased discontent. The descendants of Muhammad's uncle Abbas ibn Abd al-Muttalib rallied discontented mawali , poor Arabs, and some Shi'a against the Umayyads and overthrew them with the help of the general Abu Muslim , inaugurating the Abbasid dynasty in 750, which moved the capital to Baghdad . A branch of the Ummayad family fled across North Africa to Al-Andalus, where they established
10268-464: The Islamic period. It was made by Nastulus in 927-28 AD and is now a treasure of the Kuwait National Museum . In about 964 AD, the Persian astronomer Abd al-Rahman al-Sufi , writing in his Book of Fixed Stars , described a "nebulous spot" in the Andromeda constellation , the first definitive reference to what is now known to be the Andromeda Galaxy , the nearest spiral galaxy to the Milky Way . The geocentric system developed by Ptolemy placed
10419-402: The Jewish Yahweh and the Christian Jehovah ." In their view, Mecca was originally dedicated to this monotheistic faith that they considered to be the one true religion, established by the patriarch Abraham . According to the traditional account , the Islamic prophet Muhammad was born in Mecca , an important caravan trading center, around the year 570 CE. His family belonged to
10570-423: The Levant , Egypt , and North Africa . Alongside the growth of the Umayyad Caliphate , the major political development within early Islam in this period was the sectarian split and political divide between Kharijite , Sunnī , and Shīʿa Muslims ; this had its roots in a dispute over the succession for the role of caliph. Sunnīs believed the caliph was elective and any Muslim from the Arab clan of Quraysh ,
10721-562: The Masts in 655 CE, opening up the Mediterranean Sea to Muslim ships. Early Muslim armies stayed in encampments away from cities because ʿUmar feared that they may get attracted to wealth and luxury, moving away from the worship of God, accumulating wealth and establishing dynasties. Staying in these encampments away from the cities also ensured that there was no stress on the local populations which could remain autonomous. Some of these encampments later grew into cities like Basra and Kufa in Iraq and Fustat in Egypt. When ʿUmar
10872-641: The Muslim community during the Rashidun Caliphate . The early Muslim conquests were responsible for the spread of Islam . By the 8th century CE, the Umayyad Caliphate extended from Iberian Al-Andalus in the west to the Indus River in the east. Polities such as those ruled by the Umayyad and Abbasid caliphates (in the Middle East and later in Spain and Southern Italy ),
11023-478: The Persian alchemist and physician Abū Bakr al-Rāzī (c. 865–925), contain the earliest known systematic classifications of chemical substances. However, alchemists were not only interested in identifying and classifying chemical substances, but also in artificially creating them. Significant examples from the medieval Islamic world include the synthesis of ammonium chloride from organic substances as described in
11174-713: The Persian contribution to this new Islamic civilization is of immense importance. The work of Iranians can be seen in every field of cultural endeavor, including Arabic poetry, to which poets of Iranian origin composing their poems in Arabic made a very significant contribution." While cultural influence used to radiate outward from Baghdad, after the Mongol destruction of the Abbasid Caliphate, Arab influence decreased. Iran and Central Asia, benefiting from increased cross-cultural access to East Asia under Mongol rule , flourished and developed more distinctively from Arab influence, such as
11325-467: The Sasanids lost their western territories , with the rest of Persia to follow soon afterwards. ʿUmar ibn al-Khaṭṭāb improved the administration of the fledgling Islamic empire, ordering improvement of irrigation networks, and playing a role in foundation of cities like Basra . To be close to the poor, he lived in a simple mud hut without doors and walked the streets every evening. After consulting with
11476-435: The Umayyad era. This tactic was crucial for the expansion to the Iberian Peninsula. His reign is considered to be the apex of Islamic power. Sulayman ibn Abd al-Malik was hailed as caliph the day al-Walid died. He appointed Yazid ibn al-Muhallab governor of Mesopotamia . Sulayman ordered the arrest and execution of the family of al-Hajjaj , one of two prominent leaders (the other was Qutayba ibn Muslim ) who had supported
11627-561: The Umayyad family had been killed by the revolting Abbasids, one family member, Abd ar-Rahman I , escaped to Spain and established an independent caliphate there in 756. In the Maghreb , Harun al-Rashid appointed the Arab Aghlabids as virtually autonomous rulers, although they continued to recognize central authority. Aghlabid rule was short-lived, and they were deposed by the Shiite Fatimid dynasty in 909. By around 960,
11778-701: The adherents of the Church of the East ( Nestorians ), contributed to Islamic civilization during the reign of the Umayyads and the Abbasids by translating works of Greek philosophers and ancient science to Syriac and afterwards to Arabic . They also excelled in many fields, in particular philosophy , science (such as Hunayn ibn Ishaq , Yusuf Al-Khuri , Al Himsi , Qusta ibn Luqa , Masawaiyh , Patriarch Eutychius , and Jabril ibn Bukhtishu ) and theology . For
11929-505: The ancients" or "rational sciences", from Islamic religious sciences. Sciences of the former type flourished for several centuries, and their transmission formed part of the educational framework in classical and medieval Islam. In some cases, they were supported by institutions such as the House of Wisdom in Baghdad, but more often they were transmitted informally from teacher to student. The University of Al Karaouine , founded in 859 AD,
12080-505: The application and limits of analogy, as well as the value and limits of consensus, along with other methodological principles, some of which are accepted by only certain legal schools. This interpretive apparatus is brought together under the rubric of ijtihad , which refers to a jurist's exertion in an attempt to arrive at a ruling on a particular question. The theory of Twelver Shia jurisprudence parallels that of Sunni schools with some differences, such as recognition of reason ( ʿaql ) as
12231-544: The area up to the Ganges river had fallen. In sub-Saharan West Africa, Islam was established just after the year 1000. Muslim rulers were in Kanem starting from sometime between 1081 and 1097, with reports of a Muslim prince at the head of Gao as early as 1009. The Islamic kingdoms associated with Mali reached prominence in the 13th century. The Abbasids developed initiatives aimed at greater Islamic unity. Different sects of
12382-418: The attempts to impose a caliphal writ in matters of religious orthodoxy ultimately failed. This controversy persisted until al-Ash'ari (874–936) found a middle ground between Mu'tazilite rationalism and Hanbalite literalism, using the rationalistic methods championed by Mu'tazilites to defend most substantive tenets maintained by ahl al-hadith . A rival compromise between rationalism and literalism emerged from
12533-448: The beginning of Islam post-date the events by several generations, al-Tabari having died in 923 CE. Differing views about how to deal with the available sources has led to the development of four different approaches to the history of early Islam. All four methods have some level of support today. Nowadays, the popularity of the different methods employed varies on the scope of the works under consideration. For overview treatments of
12684-523: The boundaries of the schools became clearly delineated, the authority of their doctrinal tenets came to be vested in a master jurist from earlier times, who was henceforth identified as the school's founder. In the course of the first three centuries of Islam, all legal schools came to accept the broad outlines of classical legal theory, according to which Islamic law had to be firmly rooted in the Quran and hadith. The classical theory of Islamic jurisprudence elaborates how scriptures should be interpreted from
12835-489: The caliphate from his brother, Hisham ibn Abd al-Malik ruled an empire with many problems. He was effective in addressing these problems, and in allowing the Umayyad empire to continue as an entity. His long rule was an effective one, and renewed reforms introduced by Umar II. Under Hisham's rule, regular raids against the Byzantines continued. In North Africa, Kharijite teachings combined with local restlessness to produce
12986-594: The canonical collections of Hadith of Sahih Bukhari and others. Islam recognized to a certain extent the validity of the Abrahamic religions , the Quran identifying Jews , Christians , Zoroastrians , and Sabians (commonly identified with the Mandaeans ) as " people of the book ". Toward the beginning of the high Middle Ages, the doctrines of the Sunni and Shia , two major denominations of Islam , solidified and
13137-638: The capital to Kufa in Iraq. Muawiyah I, the governor of Syria, and Marwan I demanded arrest of the culprits. Marwan I manipulated every one and created conflict, which resulted in the first Muslim civil war (the "First Fitna"). ʿAlī was assassinated by the Kharijites in 661 CE. Six months later, ʿAlī's firstborn son Ḥasan made a peace treaty with Muawiyah I, in the interest of peace. In the Hasan–Muawiya treaty , Ḥasan ibn ʿAlī handed over power to Muawiyah I on
13288-406: The city of Yathrib (now known as Medina ), where he began to unify the tribes of Arabia under Islam, returning to Mecca to take control in 630 and order the destruction of all pagan idols. By the time Muhammad died c. 11 AH (632 CE), almost all the tribes of the Arabian Peninsula had converted to Islam, but disagreement broke out over who would succeed him as leader of
13439-464: The collection of the jizya, or the tax on non-Muslims. Islam nearly doubled within its territory from 8% of residents in 750 to 15% by the end of Al-Mansur's reign. Al-Mahdi , whose name means "Rightly-guided" or "Redeemer", was proclaimed caliph when his father was on his deathbed. Baghdad blossomed during Al-Mahdi's reign, becoming the world's largest city. It attracted immigrants from Arabia, Iraq, Syria, Persia and as far away as India and Spain. Baghdad
13590-551: The condition that he would be just to the people and not establish a dynasty after his death. Muawiyah I subsequently broke the conditions of the agreement and established the Umayyad dynasty , with a capital in Damascus . Ḥusayn ibn ʿAlī , by then Muhammad's only surviving grandson, refused to swear allegiance to the Umayyads; he was killed in the Battle of Karbala the same year, in an event still mourned by Shīʿa Muslims on
13741-426: The dominant approach by scholars is the "decline theory.": The golden age is considered to have come into existence through a gigantic endeavor to acquire and translate the ancient sciences of the Greeks between the eighth and ninth centuries. The translations era was followed by two centuries of splendid original thinking and contributions, and is known as the "golden age" of Islamic science. This so-called "golden age"
13892-482: The earliest periods in Islamic history is made difficult by a lack of sources. For example, the most important historiographical source for the origins of Islam is the work of al-Tabari . While al-Tabari is considered an excellent historian by the standards of his time and place, he made liberal use of mythical, legendary, stereotyped, distorted, and polemical presentations of subject matter—which are however considered to be Islamically acceptable—and his descriptions of
14043-451: The early Islamic empire. Local populations of Jews and indigenous Christians , who lived as religious minorities and were forced to pay the jizya tax under the Muslim rule in order to finance the wars with Byzantines and Sasanids, often aided Muslims to take over their lands from the Byzantines and Persians, resulting in exceptionally speedy conquests. As new areas were conquered, they also benefited from free trade with other areas of
14194-537: The elderly. When he felt that a governor or a commander was becoming attracted to wealth or did not meet the required administrative standards, he had him removed from his position. The expansion was partially halted between 638 and 639 CE during the years of great famine and plague in Arabia and the Levant, respectively, but by the end of ʿUmar's reign, Syria, Egypt, Mesopotamia, and much of Persia were incorporated into
14345-664: The end of the Islamic Golden Age as late as the end of 15th to 16th centuries, including the rise of the Islamic gunpowder empires . The metaphor of a golden age began to be applied in 19th-century literature about Islamic history , in the context of the western aesthetic fashion known as Orientalism . The author of a Handbook for Travelers in Syria and Palestine in 1868 observed that the most beautiful mosques of Damascus were "like Mohammedanism itself, now rapidly decaying" and relics of "the golden age of Islam". There
14496-450: The entire Umayyad family and achieving victory at the Battle of the Zab , Al-Saffah and his forces marched into Damascus and founded a new dynasty. His forces confronted many regional powers and consolidated the realm of the Abbasid Caliphate. In Al-Mansur 's time, Persian scholarship emerged. Many non-Arabs converted to Islam. The Umayyads actively discouraged conversion in order to continue
14647-689: The equivalent of professional athletes today. The House of Wisdom was a library established in Abbasid -era Baghdad , Iraq by Caliph al-Mansur in 825 modeled after the academy of Jundishapur . During this period, the Muslims showed a strong interest in assimilating the scientific knowledge of the civilizations that had been conquered. Many classic works of antiquity that might otherwise have been lost were translated from Greek , Syriac , Middle Persian , and Sanskrit into Syriac and Arabic, some of which were later in turn translated into other languages like Hebrew and Latin . Christians , especially
14798-576: The essence of objects flows into the eyes. Alhazen correctly argued that vision occurred when light, traveling in straight lines, reflects off an object into the eyes. Al-Biruni wrote of his insights into light, stating that its velocity must be immense when compared to the speed of sound. The early Islamic period saw the establishment of some of the longest lived theoretical frameworks in alchemy and chemistry . The sulfur-mercury theory of metals , first attested in pseudo-Apollonius of Tyana's Sirr al-khalīqa ("The Secret of Creation", c. 750–850) and in
14949-472: The establishment of a succinctly Arab brand of monotheism , as indicated by his many references to the Qurʾān as an Arab book and by his accommodations to other monotheistic traditions. After the death of Muhammad in 632 CE, his community needed to appoint a new leader, giving rise to the title of caliph ( Arabic : خَليفة , romanized : khalīfa , lit. 'successor'). Thus,
15100-418: The establishment of organised scholarship in the House of Wisdom and the beginning of the crusades ), but often extended to include part of the late 8th or the 12th to early 13th centuries. Definitions may still vary considerably. Equating the end of the golden age with the end of the caliphates is a convenient cut-off point based on a historical landmark, but it can be argued that Islamic culture had entered
15251-505: The exceptions of Iran and Oman . Muhammad's closest companions ( ṣaḥāba ), the four " rightly-guided " caliphs who succeeded him, continued to expand the Islamic empire to encompass Jerusalem , Ctesiphon , and Damascus , and sending Arab Muslim armies as far as the Sindh region . The early Islamic empire stretched from al-Andalus (Muslim Iberia) to the Punjab region under the reign of
15402-526: The following results: The following timeline can serve as a rough visual guide to the most important polities in the Islamic world prior to World War I . It covers major historical centers of power and culture, including the Arabian peninsula (modern-day Oman , Saudi Arabia , United Arab Emirates , and Yemen ), Mesopotamia (modern-day Iraq ), Persia (modern-day Iran ), Levant (modern-day Syria , Lebanon , Jordan , and Israel/Palestine ), Egypt ,
15553-703: The gains of the earlier Caliphates . Initially, they conquered Mediterranean islands including the Balearics and, after, in 827 the Southern Italy . The ruling party had come to power on the wave of dissatisfaction with the Umayyads, cultivated by the Abbasid revolutionary Abu Muslim . Under the Abbasids Islamic civilization flourished. Most notable was the development of Arabic prose and poetry , termed by The Cambridge History of Islam as its " golden age ". Commerce and industry (considered
15704-661: The generation of Imam Husain but they were opposed by the Caliphs of the day as their rivals till Imam Abdullah al-Mahdi Billah came in power as first Caliph of Fatimid in North Africa when Caliphate and Imamate came to same person again after Imam Ali. These Imams were recognized by Shia Islam taking Imam Ali as first Caliph/Imam and the same is institutionalized by the Safavids and many similar institutions named now as Ismaili , Twelver , etc. The period under Muawiya II
15855-458: The governor of Syria after the previous governor died in a plague along with 25,000 other people. To stop the Byzantine harassment from the sea during the Arab–Byzantine wars , in 649 Muawiyah set up a navy, with ships crewed by Monophysite Christians , Egyptian Coptic Christians , and Jacobite Syrian Christians sailors and Muslim troops, which defeated the Byzantine navy at the Battle of
16006-635: The governor of North Africa. Uqba won battles against the Berbers and Byzantines. From there Uqba marched thousands of miles westward towards Tangier , where he reached the Atlantic coast, and then marched eastwards through the Atlas Mountains . With about 300 cavalrymen , he proceeded towards Biskra where he was ambushed by a Berber force under Kaisala. Uqba and all his men died fighting. The Berbers attacked and drove Muslims from north Africa for
16157-409: The great-grandfather of the first Umayyad caliph, ruled from 661 to 750 CE. Although the Umayyad family came from the city of Mecca , Damascus was the capital. After the death of Abdu'l-Rahman ibn Abu Bakr in 666, Muawiyah I consolidated his power. Muawiyah I moved his capital to Damascus from Medina , which led to profound changes in the empire. In the same way, at a later date, the transfer of
16308-575: The growing Islamic empire, where, to encourage commerce, taxes were applied to wealth rather than trade. The Muslims paid zakat on their wealth for the benefit of the poor. Since the Constitution of Medina , drafted by the Islamic prophet Muhammad , the Jews and the Christians continued to use their own laws and had their own judges. In 639 CE, ʿUmar appointed Muawiyah ibn Abi Sufyan as
16459-572: The historical, social, political, economic, and religious context of Late Antiquity in the Middle East . The second half of the 6th century CE saw political disorder in the pre-Islamic Arabian peninsula , and communication routes were no longer secure. Religious divisions played an important role in the crisis. Judaism became the dominant religion of the Himyarite Kingdom in Yemen after about 380 CE, while Christianity took root in
16610-407: The history of early Islam, the descriptive approach is more popular. For scholars who look at the beginnings of Islam in depth, the source critical and tradition critical methods are more often followed. After the 8th century CE, the quality of sources improves. Those sources which treated earlier times with a large temporal and cultural gap now begin to give accounts which are more contemporaneous,
16761-659: The importance of acquiring knowledge, played a vital role in influencing the Muslims of this age in their search for knowledge and the development of the body of science. The Islamic Empire heavily patronized scholars. The money spent on the Translation Movement for some translations is estimated to be equivalent to about twice the annual research budget of the United Kingdom's Medical Research Council . The best scholars and notable translators, such as Hunayn ibn Ishaq , had salaries that are estimated to be
16912-458: The institution known as the House of Wisdom employed Christian and Persian scholars to both translate works into Arabic and to develop new knowledge. The capital was moved from Damascus to Baghdad , due to the importance placed by the Abbasids upon eastern affairs in Persia and Transoxania . At this time the caliphate showed signs of fracture amid the rise of regional dynasties. Although
17063-732: The institution, and it placed its holder within a genealogy of scholars, which was the only recognized hierarchy in the educational system. While formal studies in madrasas were open only to men, women of prominent urban families were commonly educated in private settings and many of them received and later issued ijazas in hadith studies, calligraphy and poetry recitation. Working women learned religious texts and practical skills primarily from each other, though they also received some instruction together with men in mosques and private homes. Madrasas were devoted principally to study of law, but they also offered other subjects such as theology, medicine, and mathematics. The madrasa complex usually consisted of
17214-723: The last two centuries continue to reverberate to the present day, as well as fuel conflict-zones in regions such as Palestine , Kashmir , Xinjiang , Chechnya , Central Africa , Bosnia , and Myanmar. The oil boom stabilized the Arab States of the Gulf Cooperation Council (comprising Bahrain , Kuwait , Oman , Qatar , Saudi Arabia , and the United Arab Emirates ), making them the world's largest oil producers and exporters, which focus on capitalism , free trade , and tourism . The study of
17365-571: The message of the Quran from the sacred texts of Christianity and Judaism. Armed conflict with the Arab Meccans and Jewish tribes of the Yathrib area soon broke out. After a series of military confrontations and political manoeuvres, Muhammad was able to secure control of Mecca and allegiance of the Quraysh in 629 CE. In the time remaining until his death in 632 CE, tribal chiefs across
17516-451: The movement of the capital in 762 AD to Baghdad, translators were sponsored to translate Greek texts into Arabic. This translation period led to many major scientific works from Galen , Ptolemy , Aristotle , Euclid , Archimedes , and Apollonius being translated into Arabic. From these translations previously lost knowledge of the cosmos was now being used to advance current astrological thinkers. The second key factor of astronomy's growth
17667-495: The names that come directly from Arabic origins or are the translations of Ptolemy's Greek descriptions which are still in use today. Alhazen played a role in the development of optics . One of the prevailing theories of vision in his time and place was the emission theory supported by Euclid and Ptolemy, where sight worked by the eye emitting rays of light, and the other was the Aristotelean theory that sight worked when
17818-409: The old pagan vocabulary of Arabic throughout the peninsula. The Ḥanīf ("renunciates"), a group of monotheists that sought to separate themselves both from the foreign Abrahamic religions and the traditional Arab polytheism , were looking for a new religious worldview to replace the pre-Islamic Arabian religions, focusing on "the all-encompassing father god Allah whom they freely equated with
17969-563: The planets. One of the first to criticize this model was Ibn al-Haytham , a leader of physics in the 11th century in Cairo. Then in the 13th century Nasir al-Din al-Tusi constructed the Maragha Observatory in what is today Iran. Al-Tusi found the equant dissatisfying and replaced it by adding a geometrical technique called a Tusi-couple , which generates linear motion from the sum of two circular motions. Then, Ibn al-Shatir who
18120-513: The poor, ʿUmar established the Bayt al-mal , a welfare institution for the Muslim and Non-Muslim poor, needy, elderly, orphans, widows, and the disabled. The Bayt al-mal ran for hundreds of years under the Rāshidūn Caliphate in the 7th century CE and continued through the Umayyad period and well into the Abbasid era . ʿUmar also introduced child benefit for the children and pensions for
18271-631: The prominent centers of learning and transmission of classical wisdom were Christian colleges such as the School of Nisibis and the School of Edessa , the pagan center of learning in Harran , and the renowned hospital and medical Academy of Gondishapur, which was the intellectual, theological and scientific center of the Church of the East. Many scholars of the House of Wisdom were of Christian background and it
18422-478: The quality of genre of available historical accounts improves, and new documentary sources—such as official documents, correspondence and poetry—appear. For the time prior to the beginning of Islam—in the 6th century CE—sources are superior as well, if still of mixed quality. In particular, the sources covering the Sasanian realm of influence in the 6th century CE are poor, while the sources for Byzantine areas at
18573-448: The rest of the world learned to make paper from linen. The centrality of scripture and its study in the Islamic tradition helped to make education a central pillar of the religion in virtually all times and places in the history of Islam. The importance of learning in the Islamic tradition is reflected in a number of hadiths attributed to Muhammad, including one that states "Seeking knowledge is obligatory upon every Muslim". This injunction
18724-476: The revival of Sunnism when Shi'ism increased its influence. The Seljuk military leader Alp Arslan (1063 – 1072) financially supported sciences and literature and established the Nezamiyeh university in Baghdad. Expansion continued, sometimes by force, sometimes by peaceful proselytising . The first stage in the conquest of India began just before the year 1000. By some 200 (from 1193 to 1209) years later,
18875-427: The standpoint of linguistics and rhetoric. It also comprises methods for establishing authenticity of hadith and for determining when the legal force of a scriptural passage is abrogated by a passage revealed at a later date. In addition to the Quran and sunnah, the classical theory of Sunni fiqh recognizes two other sources of law: juristic consensus ( ijmaʿ ) and analogical reasoning ( qiyas ). It therefore studies
19026-510: The submission ( Islām ) to the will of God . According to the traditional account , the Islamic prophet Muhammad began receiving what Muslims consider to be divine revelations in 610 CE, calling for submission to the one God, preparation for the imminent Last Judgement , and charity for the poor and needy. As Muhammad's message began to attract followers (the ṣaḥāba ) he also met with increasing hostility and persecution from Meccan elites . In 622 CE Muhammad migrated to
19177-494: The subsequent Islamic empires were known as " caliphates ", and a series of four caliphs governed the early Islamic empire: Abū Bakr (632–634), ʿUmar ibn al-Khaṭṭāb (Umar І, 634–644), ʿUthmān ibn ʿAffān (644–656), and ʿAlī ibn Abī Ṭālib (656–661). These leaders are known as the rāshidūn ("rightly-guided") caliphs in Sunnī Islam . They oversaw the initial phase of the early Muslim conquests , advancing through Persia ,
19328-524: The succession of al-Walid's son Yazid, rather than Sulayman. Al-Hajjaj had predeceased al-Walid, so he posed no threat. Qutaibah renounced allegiance to Sulayman, though his troops rejected his appeal to revolt. They killed him and sent his head to Sulayman. Sulayman did not move to Damascus on becoming Caliph, remaining in Ramla . Sulayman sent Maslama ibn Abd al-Malik to attack the Byzantine capital ( siege of Constantinople ). The intervention of Bulgaria on
19479-455: The sun, moon, and other planets in orbit around the Earth. Ptolemy thought that the planets moved on circles called epicycles and that their centers rode on deferents . The deferents were eccentric , and the angular motion of a planet was uniform around the equant which was a point opposite the deferent center. Simply, Ptolemy's models were a mathematical system for predicting the positions of
19630-778: The time are of a respectable quality, and complemented by Syriac Christian sources for Syria and Iraq. Until the early 1970s, Non-Muslim scholars of Islamic studies—while not accepting accounts of divine intervention—did accept its origin story in most of its details. On the dates said, historians called Revisionist school of Islamic studies began to use relevant archaeology , epigraphy , numismatics and contemporary non-Arabic literature to crosscheck writings from 150 to 250 years after Muhammad. The school included scholars such as John Wansbrough and his students Andrew Rippin , Norman Calder , G. R. Hawting , Patricia Crone and Michael Cook , as well as Günter Lüling , Yehuda D. Nevo and Christoph Luxenberg . These studies yielded
19781-863: The traditional centers of the Muslim world, stretching from Persia to Egypt, but saw the emergence of the Timurid Renaissance and major economic powers such as the Mali Empire in West Africa and the Bengal Sultanate in South Asia . Following the deportation and enslavement of the Muslim Moors from the Emirate of Sicily and elsewhere in southern Italy , the Islamic Iberia was gradually conquered by Christian forces during
19932-470: The tribe of Muhammad, might serve as one. Shīʿītes, on the other hand, believed the title of caliph should be hereditary in the bloodline of Muhammad , and thus all the caliphs, with the exceptions of Muhammad's cousin and son-in-law ʿAlī ibn Abī Ṭālib and his firstborn son Ḥasan , were actually illegitimate usurpers . However, the Sunnī sect emerged as triumphant in most regions of the Muslim world , with
20083-412: The ulema. Madrasas soon multiplied throughout the Islamic world, which helped to spread Islamic learning beyond urban centers and to unite diverse Islamic communities in a shared cultural project. Nonetheless, instruction remained focused on individual relationships between students and their teacher. The formal attestation of educational attainment, ijaza , was granted by a particular scholar rather than
20234-493: The work of al-Maturidi (d. c. 944), and, although a minority of scholars remained faithful to the early ahl al-hadith creed, Ash'ari and Maturidi theology came to dominate Sunni Islam from the 10th century on. Ibn Sina (Avicenna) and Ibn Rushd (Averroes) played a major role in interpreting the works of Aristotle, whose ideas came to dominate the non-religious thought of the Christian and Muslim worlds . According to
20385-458: The works attributed to Jābir, and Abū Bakr al-Rāzī's experiments with vitriol , which would eventually lead to the discovery of mineral acids like sulfuric acid and nitric acid by thirteenth century Latin alchemists such as pseudo-Geber . Al-Biruni (973–1050) estimated the radius of the earth as 6339.6 km (modern value is c. 6,371 km), the best estimate at that time. History of Islam The history of Islam concerns
20536-491: The world's largest city by then, to translate the known world's classical knowledge into Arabic and Persian . The period is traditionally said to have ended with the collapse of the Abbasid caliphate due to Mongol invasions and the Siege of Baghdad in 1258. There are a few alternative timelines. Some scholars extend the end date of the golden age to around 1350, including the Timurid Renaissance within it, while others place
20687-419: Was a significant source of revenue for the city. Most likely Muhammad was "intimately aware of Jewish belief and practices," and acquainted with the Ḥanīf . Like the Ḥanīf , Muhammad practiced Taḥannuth , spending time in seclusion at mount Hira and "turning away from paganism." When he was about 40 years old, he began receiving at mount Hira' what Muslims regard as divine revelations delivered through
20838-409: Was a significant step in the development of algebra, is part of the body of Persian mathematics that was eventually transmitted to Europe. Yet another Persian mathematician, Sharaf al-Dīn al-Tūsī , found algebraic and numerical solutions to various cases of cubic equations. He also developed the concept of a function . Ibn al-Haytham (Alhazen) discovered the sum formula for the fourth power, using
20989-410: Was accepted as an arbitrator among the different communities of the city under the terms of the Constitution of Medina , Muhammad began to lay the foundations of the new Islamic society, with the help of new Quranic verses which provided guidance on matters of law and religious observance. The surahs of this period emphasized his place among the long line of Biblical prophets , but also differentiated
21140-412: Was almost entirely devoted to trying to keep the Umayyad empire together. His death signalled the end of Umayyad rule in the East, and was followed by the massacre of Umayyads by the Abbasids. Almost the entire Umayyad dynasty was killed, except for the talented prince Abd al-Rahman who escaped to the Iberian Peninsula and founded a dynasty there. The Abbasid dynasty rose to power in 750, consolidating
21291-432: Was assassinated in 644 CE, ʿUthmān ibn ʿAffān , second cousin and twice son-in-law of Muhammad, became the third caliph. As the Arabic language is written without vowels, speakers of different Arabic dialects and other languages recited the Quran with phonetic variations that could alter the meaning of the text. When ʿUthmān became aware of this, he ordered a standard copy of the Quran to be prepared. Begun during his reign,
21442-518: Was given by Al-Kindi (c. 801–873, also known as "Alkindus" in Europe), in Risalah fi Istikhraj al-Mu'amma ( A Manuscript on Deciphering Cryptographic Messages ) which contains the first description of the method of frequency analysis . Ibn al-Haytham (Alhazen) was a significant figure in the history of scientific method , particularly in his approach to experimentation, and has been described as
21593-457: Was home to Christians, Jews, Hindus, and Zoroastrians, in addition to the growing Muslim population. Like his father, Al-Hadi was open to his people and allowed citizens to address him in the palace at Baghdad. He was considered an "enlightened ruler", and continued the policies of his Abbasid predecessors. His short rule was plagued by military conflicts and internal intrigue. The military conflicts subsided as Harun al-Rashid ruled. His reign
21744-497: Was led by Christian physician Hunayn ibn Ishaq , with the support of Byzantine medicine . Many of the most important philosophical and scientific works of the ancient world were translated, including the work of Galen , Hippocrates , Plato , Aristotle , Ptolemy and Archimedes . Persians also were a notably high proportion of scientists who contributed to the Islamic Golden Age. According to Bernard Lewis : "Culturally, politically, and most remarkable of all even religiously,
21895-588: Was marked by civil wars ( Second Fitna ). This would ease in the reign of Abd al-Malik ibn Marwan , a well-educated and capable ruler. Despite the many political problems that impeded his rule, all important records were translated into Arabic. In his reign, a currency for the Muslim world was minted. This led to war with the Byzantine Empire under Justinian II ( Battle of Sebastopolis ) in 692 in Asia Minor . The Byzantines were decisively defeated by
22046-497: Was marked by scientific, cultural and religious prosperity. He established the library Bayt al-Hikma ("House of Wisdom"), and the arts and music flourished during his reign. The Barmakid family played a decisive advisorial role in establishing the Caliphate, but declined during Rashid's rule. Al-Amin received the Caliphate from his father Harun Al-Rashid, but failed to respect the arrangements made for his brothers, leading to
22197-417: Was met with increasing persecution from Meccan notables . In 622 CE, a few years after losing protection with the death of his influential uncle ʾAbū Ṭālib ibn ʿAbd al-Muṭṭalib , Muhammad migrated to the city of Yathrib (subsequently called Medina ) where he was joined by his followers. Later generations would count this event, known as the hijra , as the start of the Islamic era. In Yathrib, where he
22348-783: Was often distributed among several dynasties. For example, during the later stages of the Abbasid Caliphate , even the capital city of Baghdad was effectively ruled by other dynasties such as the Buyyids and the Seljuks , while the Ottoman Turks commonly delegated executive authority over outlying provinces to local potentates , such as the Deys of Algiers , the Beys of Tunis , and the Mamluks of Iraq . Early Islam arose within
22499-436: Was seen to apply particularly to scholars, but also to some extent to the wider Muslim public, as exemplified by the dictum of al-Zarnuji , "learning is prescribed for us all". While it is impossible to calculate literacy rates in pre-modern Islamic societies, it is almost certain that they were relatively high, at least in comparison to their European counterparts. Education would begin at a young age with study of Arabic and
22650-437: Was the religious observances followed by Muslims which expected them to pray at exact times during the day. These observances in timekeeping led to many questions in previous Greek mathematical astronomy, especially their timekeeping. The astrolabe was a Greek invention which was an important piece of Arabic astronomy. An astrolabe is a handheld two-dimensional model of the sky which can solve problems of spherical astronomy. It
22801-657: Was working in Damascus in 1350 AD employed the Tusi-couple to successfully eliminate the equant as well as other objectionable circles that Ptolemy had used. This new model properly aligned the celestial spheres and was mathematically sound. This development by Ibn al-Shatir, as well as the Maragha astronomers remained relatively unknown in medieval Europe. The names for some of the stars used, including Betelgeuse , Rigel , Vega , Aldebaran , and Fomalhaut are several of
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