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— CH. 1 · INTRODUCTION —

Al-Andalus

~12 min read · Ch. 1 of 8
8 sections
  • Al-Andalus was Muslim-ruled territory on the Iberian Peninsula, and its story begins on the 30th of April, 711, when a commander named Tariq ibn-Ziyad landed at Gibraltar with an army of 7,000 soldiers. He had crossed the strait ostensibly to intervene in a Visigothic civil war. Within weeks, at the Battle of Guadalete on the 19th of July, King Roderic was defeated. Within seven years, nearly the whole peninsula was under Muslim rule. And for almost eight centuries after that, a civilisation took root in southern Europe unlike anything the continent had seen before or since.

    What did it mean to live under the banner of al-Andalus? How did a territory that reached from Gibraltar to the foothills of the Pyrenees produce scholars whose names still echo in the history of medicine, astronomy, and philosophy? How did Arabic, Romance, Hebrew, and Berber languages coexist in the same city streets? And what happened when the walls finally closed in, century by century, until only a single emirate remained?

    The full name of that emirate was the Emirate of Granada. It surrendered on the 2nd of January, 1492 - the same year Columbus sailed west. That coincidence alone tells you something about the world al-Andalus helped make possible.

  • Tariq's initial force was mostly Berber soldiers. The governor Musa ibn Nusayr followed with a larger Arab army of over 12,000 men. Together they swept the Visigothic Kingdom into the emerging Umayyad Empire, crossing the Pyrenees and occupying Septimania in what is now southern France. Al-Andalus was organised as a province subordinate to Ifriqiya, and for the first few decades its governors were appointed not by the Caliph in Damascus but by the emir in Kairouan.

    The early decades were not peaceful. Raids pushed north across the Pyrenees, but in 721 a Muslim army was decisively defeated at the Battle of Toulouse by Duke Odo the Great of Aquitaine. In 732, at the Battle of Poitiers, Charles Martel defeated the al-Andalus raiding force and killed its commander Al Ghafiqi. By 739 Charles Martel, with the assistance of Liutprand of the Lombards, had expelled Muslim raiders from Burgundy and Provence entirely. In 759, after a lengthy siege, the last Arab stronghold on the other side of the Pyrenees, the citadel of Narbonne, fell to the Franks.

    The internal situation was equally turbulent. In 740, a Berber Revolt erupted in North Africa, and its reverberations reached across the strait. Berber garrisons in the north of the peninsula mutinied, and disorder spread. The Umayyad army sent to suppress the revolt in Morocco was itself defeated at the Battle of Bagdoura. In the wake of the chaos, the Christian king Alfonso I of Asturias seized abandoned frontier fortresses and added the provinces of Galicia and León to his kingdom. The evacuated lowlands of the Douro River valley became what contemporaries called the Desert of the Duero, an empty buffer zone that held as a rough border for centuries.

    A power vacuum at the top followed the collapse of Umayyad authority in Damascus. A local Arab clan, the Fihrids, seized control of the western provinces and ran them almost as a private family empire. Their decision to invite displaced Umayyad exiles into their territory would prove fateful.

  • In 755, an exiled Umayyad prince arrived on the coast of Spain. He was Abd al-Rahman I, known as al-Dākhil - the Immigrant. He had survived the Abbasid slaughter of his family in Damascus and spent four years in North Africa watching the political situation in al-Andalus from across the Straits of Gibraltar before landing at Almuñécar.

    His campaign was swift. He took Málaga, then Seville, then besieged Córdoba. The incumbent governor Yūsuf al-Fihri, returning from suppressing another rebellion, tried a psychological gambit: he threw lavish feasts daily during the siege, in plain view of Abd al-Rahman's starving army, hoping his rival's supporters would defect. Abd al-Rahman held firm, even rejecting a truce that would have included a marriage alliance. He broke al-Fihri's forces, took Córdoba, and proclaimed himself emir in 756.

    Abd al-Rahman built the Mosque of Córdoba, urbanised the emirate, and repelled a series of invasions. The most serious was an Abbasid attempt in 763: the Caliph Al-Mansur installed al-Ala ibn-Mugith as governor of Africa and sent him to destroy the Emirate of Córdoba. Abd al-Rahman fortified himself in the fortress of Carmona with a force roughly a tenth the size of his enemy's. After a long siege, in a final desperate charge, Abd al-Rahman's outnumbered soldiers opened the fortress gates and attacked the resting Abbasid army. They won. When Al-Mansur received the embalmed head of al-Ala ibn-Mugith, the Caliph reportedly exclaimed: "Praise be to God who has put the sea between me and this devil!"

  • Abd al-Rahman III crushed the rebellions that had paralysed his grandfather's reign, sacked Pamplona, and restored the emirate's prestige. Then, in 929, inspired by the Fatimids' declaration of a rival caliphate in North Africa, he declared himself caliph. Córdoba under the Caliphate grew to a population of more than half a million and eventually surpassed Constantinople as the largest and most prosperous city in the world.

    The Caliphate of Córdoba traded extensively across the Mediterranean, including with Christian partners. Amalfitan merchants were already trading Fatimid and Byzantine silks in Córdoba in the tenth century. Luxury goods flowed in from Fatimid Egypt, including elephant tusks and carved crystals. Grain, olive oil, wine, and ceramics moved through the networks that connected al-Andalus to the wider Mediterranean world.

    The next caliph, Al-Hakam II, expanded the libraries and built a university in Córdoba. In the 10th century, between 70,000 and 80,000 manuscripts were copied each year in Córdoba alone. When Al-Hakam's son Hisham II took over, real power passed to the hajib al-Mansur Ibn Abi Aamir, who disapproved of astronomy, logic, and especially astrology. Many books collected at great expense by Al-Hakam II were burned publicly. With al-Mansur's death in 1002, the libraries began to recover their standing.

  • Abu al-Qasim al-Zahrawi, who died in 1013, is considered by many to be the greatest physician in the entire history of Western Islam. Around the year 1000 C.E., he completed a comprehensive medical encyclopaedia whose title translates roughly as The Arrangement of Medical Knowledge for One Who is Not Able to Compile a Book for Himself. Its chapter on surgery included detailed illustrations of surgical instruments and sections on cauterisation, incisions, and bone-setting. For centuries it was translated into Hebrew, Latin, and Castilian and used by students and practitioners across Europe and the Islamic world.

    The ibn Zuhr family produced five generations of medical experts. Abu Marwan ibn Zuhr, who died in 1162, wrote three notable works: the Book of Moderation on general therapy, the Book of Foods on diet and regimen, and the Kitab al-Taysir, written as a compendium to Ibn Rushd's Colliget. In that last book he offered one of the earliest clinical descriptions of the scabies mite. The Maristan of Granada, founded in 1367 by the Nasrid ruler Muhammad V, functioned as a charitable hospital organised around a central courtyard with water features. It provided care for the sick, including those suffering from mental illness, and was funded through religious endowment.

    In astronomy, Abu Ishaq Ibrahim al-Zarqali, who died in 1087, calculated the motion of the solar apogee at 12.04 seconds per year, a figure close to the modern value of 11.8 seconds per year. Copernicus acknowledged him by name in On the Revolutions of the Heavenly Spheres, five centuries later. Al-Zarqali also contributed extensively to editing the Toledan Zij astronomical tables. Maslama al-Majriti, who died in 1007, translated and expanded on Ptolemy's Planisphaerium and built on the astronomical tables of Muhammad ibn Musa al-Khwarizmi.

    In agronomy, Ibn al-'Awwam's Book of Agriculture contained 34 chapters covering more than 580 types of plants and methods for treating plant disease. The pomegranate, cultivated from Syria and brought to the region, became the namesake symbol of Granada. And the first attempt to create a botanical garden near Córdoba was made by Abd al-Rahman I himself.

  • Thomas Glick estimated that Muladies, converts from indigenous Iberian populations, together with other Muslims comprised eighty per cent of the population of al-Andalus by 1100. By the year 1000, according to Ronald Segal, roughly five million of Iberia's seven million inhabitants, most of them descended from local converts, were Muslim. The streets of its cities were not monolingual.

    Arabic arrived with the conquest in 711 and spread gradually through conversion and administration. By the end of the 9th century, Andalusi Christians and Jews were writing Arabic in Hebrew letters. The vernacular spoken form, Andalusi Arabic, was shaped by sustained contact with Romance languages, just as Arabic left its mark on Spanish. By around 1260, following the Almohad period, Arabic-Romance bilingualism seems to have largely disappeared from Muslim territories.

    Hebrew experienced what scholars describe as a literary revolution through contact with Arabic. As Consuelo López Morillas writes, Jews in al-Andalus "wrote Hebrew poetry using Arabic prosodic models and adopted nearly the entire range of Arabic poetic genres and stylistic devices in Hebrew." The poet and commentator Judah Halevi, who lived from 1086 to 1145, was one figure in this tradition. Dunash ben Labrat, who lived from 920 to 990, was another.

    The major Andalusi innovation in poetry was the muwaššaḥ, a strophic song form that emerged in the 10th-11th centuries. It featured a complex rhyme scheme and ended with a kharja, a final stanza that could be written in a different language entirely. This form influenced the Old Occitan and Provençal lyric of the troubadours. The poet and musician Ziryab, who arrived in Córdoba in 822 from the Abbasid Caliphate, played a significant role in shaping Andalusi music and culture more broadly. Al-Andalus had 11,831 known scholars and 13,730 known works produced between the eighth and fifteenth centuries.

  • Muhammad ibn al-Ahmar founded the Emirate of Granada in 1230. The Nasrid dynasty he established would become the longest-reigning dynasty in the history of al-Andalus, surviving by playing Christian kingdoms against each other and, when necessary, soliciting aid from the Marinid dynasty based in Fez. For much of its existence, Granada paid tribute to the kings of Castile.

    The most visible legacy the Nasrids left is the Alhambra, their fortified palace complex, portions of which survive today. The complex was begun by Ibn al-Ahmar and received its last major additions during the reigns of Yusuf I, who ruled from 1333 to 1353, and Muhammad V, who ruled from 1353 to 1391. Its architecture organised rooms and halls around central courtyards with water features, with decoration concentrated on interior surfaces: tile mosaics on the lower walls and carved stucco above. The three-dimensional sculpted ceilings known as muqarnas became especially prominent during the reign of Muhammad V.

    Important figures passed through the Nasrid court during its long twilight. Ibn al-Khatib, Ibn Zamrak, and Ibn Khaldun all served there. Granada had grown into one of the largest cities in Europe by population during the 15th century, swollen by Muslim refugees fleeing the advance of Christian kingdoms to the north.

    In 1468, Isabella, the only child of Henry IV of Castile, married Ferdinand, the son of John II of Aragon. By 1479 they ruled a united kingdom, removing the divisions Granada had long exploited. The final campaign began in 1482 and advanced city by city and fortress by fortress. On the 2nd of January, 1492, the last Nasrid ruler, Muhammad XI, known to the Christians as Boabdil, formally surrendered to the Catholic Monarchs.

    By that time, Muslims in Castile numbered half a million. After the fall, sources record that roughly 100,000 had died or been enslaved, 200,000 emigrated, and 200,000 remained. The conditions set in the Capitulations of 1492 permitted Muslims to continue practising their religion, but mass forced conversions in 1499 triggered a revolt that spread to the Alpujarras mountains and the mountains of Ronda. The capitulations were revoked. In 1502, the Catholic Monarchs decreed forced conversion for all Muslims under the Crown of Castile. From the Ottomans, Sultan Bayezid II dispatched ships between 1492 and 1493 that rescued tens of thousands of expelled Muslims and Jews. The descendants of those who stayed and converted, known as Moriscos, faced expulsion from Spain between 1609 and 1614. The last mass prosecution of Moriscos for crypto-Islamic practices was recorded in Granada in 1727.

  • When Alfonso X of Castile began translating the libraries of conquered Andalusi cities into Latin, he was opening a channel that had been building for centuries. After the reconquest of Toledo in 1085, institutions such as the Toledo School of Translators formalised the transfer of texts from Arabic into Latin. Gerard of Cremona and Michael Scot carried these translations into Italy.

    The crops introduced during Arab rule reshaped European agriculture permanently: sugarcane, rice, cotton, oranges, lemons, apricots, spinach, eggplants, carrots, saffron, and bananas all arrived in Spain and Sicily via the commercial networks of the Islamic world. The Spanish words for oil and olive, aceite and aceituna, derive from the Arabic al-zait. The Palmeral of Elche, one of the largest palm groves in the world, was established by Arabs between the 7th and 10th centuries and is cited by UNESCO as an example of agricultural knowledge transferred from North Africa to Europe. Irrigation structures called acequias, derived from the Arabic as-sāqiya and first developed in either the Arabian Peninsula or the Persian Empire, are still found in Andalusia today.

    In the 11th century, the Hindu-Arabic numeral system reached Europe via al-Andalus through Spanish Muslims, along with the astrolabe, first imported to the region by Gerbert of Aurillac. Because of this path of transmission, those numerals became known in Europe as Arabic numerals, even though their origins lay in India.

    The Mudéjar style, named for Muslims who remained under Christian rule, carried Andalusi architectural forms into churches and synagogues built centuries after the political entity of al-Andalus was gone. The Synagogue of El Tránsito in Toledo, built between 1355 and 1357, is one example. Peter of Castile began adding Moorish-style sections to the Alcázar of Seville in 1364, with craftsmen brought from Granada and Toledo. The thread of influence running from the Mosque of Córdoba, built by Abd ar-Rahman I in 785, through the Alhambra, through the Mudéjar churches, and into the libraries that fed the Renaissance is the longest and most concrete measure of what al-Andalus actually was.

Common questions

When did al-Andalus begin and end?

Al-Andalus began with the Muslim conquest of the Iberian Peninsula in 711, when Tariq ibn-Ziyad landed at Gibraltar on the 30th of April of that year. It ended on the 2nd of January, 1492, when the last Nasrid ruler Muhammad XI formally surrendered the Emirate of Granada to the Catholic Monarchs.

What was the Caliphate of Córdoba and why is it considered a golden age?

The Caliphate of Córdoba was established in 929 when Abd al-Rahman III declared himself caliph. During this period, Córdoba grew to a population of more than half a million and surpassed Constantinople as the largest and most prosperous city in the world. It became a centre for medicine, science, philosophy, literature, and the arts, and between 70,000 and 80,000 manuscripts were copied there each year in the 10th century alone.

Who were the most important scientists and physicians of al-Andalus?

Abu al-Qasim al-Zahrawi, who died in 1013, is widely regarded as the greatest physician in the history of Western Islam; his comprehensive medical encyclopaedia was translated into Hebrew, Latin, and Castilian and used for centuries. The astronomer Abu Ishaq Ibrahim al-Zarqali, who died in 1087, was acknowledged by Copernicus in On the Revolutions of the Heavenly Spheres. The ibn Zuhr family produced five generations of medical scholars, with Abu Marwan ibn Zuhr providing one of the earliest clinical descriptions of the scabies mite.

What languages were spoken in al-Andalus?

Al-Andalus was multilingual, with Arabic, Andalusi Romance, Hebrew, Latin, and Berber all present. Arabic arrived with the 711 conquest and spread through conversion and administration, becoming the language of literature and governance. By the end of the 9th century, Andalusi Christians and Jews were writing Arabic in Hebrew letters, and multilingual households were an attested phenomenon.

What happened to Muslims in the Iberian Peninsula after the fall of Granada in 1492?

After the surrender of Granada on the 2nd of January, 1492, the Capitulations of 1492 initially permitted Muslims to continue practising their religion, but mass forced conversions in 1499 led to a revolt and the revocation of those terms. In 1502, the Catholic Monarchs decreed forced conversion of all Muslims under the Crown of Castile. Descendants of these converts, called Moriscos, were expelled from Spain between 1609 and 1614, and the last mass prosecution of Moriscos for crypto-Islamic practices occurred in Granada in 1727.

What lasting influence did al-Andalus have on European culture, agriculture, and language?

Al-Andalus transmitted crops including sugarcane, rice, oranges, lemons, apricots, saffron, and cotton to Europe, and introduced the Hindu-Arabic numeral system via Spanish Muslims in the 11th century. The Toledo School of Translators rendered Arabic texts into Latin, and scholars like Averroes and al-Zahrawi significantly influenced the European Renaissance. Irrigation systems called acequias and architectural forms in the Mudéjar style continued to shape the Iberian Peninsula for centuries after 1492.

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