Year 1090 ( MXC) was a

common year starting on Tuesday A common year starting on Tuesday is any non-leap year (i.e. a year with 365 days) that begins on Tuesday, 1 January, and ends on Tuesday, 31 December. Its dominical letter hence is F. The most recent year of such kind was 2019, and the next one wi ...

of the

Julian calendar The Julian calendar is a solar calendar of 365 days in every year with an additional leap day every fourth year (without exception). The Julian calendar is still used as a religious calendar in parts of the Eastern Orthodox Church and in parts ...

Events

By place

Europe

* A third

Almoravid The Almoravid dynasty () was a Berber Muslim dynasty centered in the territory of present-day Morocco. It established an empire that stretched over the western Maghreb and Al-Andalus, starting in the 1050s and lasting until its fall to the Almo ...

expedition is launched in

Al-Andalus Al-Andalus () was the Muslim-ruled area of the Iberian Peninsula. The name refers to the different Muslim states that controlled these territories at various times between 711 and 1492. At its greatest geographical extent, it occupied most o ...

, designed to finally subdue the Taifa's Kingdoms. The cities of Córdoba,

Seville Seville ( ; , ) is the capital and largest city of the Spain, Spanish autonomous communities of Spain, autonomous community of Andalusia and the province of Seville. It is situated on the lower reaches of the Guadalquivir, River Guadalquivir, ...

Granada Granada ( ; ) is the capital city of the province of Granada, in the autonomous communities of Spain, autonomous community of Andalusia, Spain. Granada is located at the foot of the Sierra Nevada (Spain), Sierra Nevada mountains, at the confluence ...

Málaga Málaga (; ) is a Municipalities in Spain, municipality of Spain, capital of the Province of Málaga, in the Autonomous communities of Spain, autonomous community of Andalusia. With a population of 591,637 in 2024, it is the second-most populo ...

Almería Almería (, , ) is a city and municipalities in Spain, municipality of Spain, located in Andalusia. It is the capital of the province of Almería, province of the same name. It lies in southeastern Iberian Peninsula, Iberia on the Mediterranean S ...

and

Ronda Ronda () is a Municipalities in Spain, municipality of Spain belonging to the province of Málaga, within the autonomous community of Andalusia. Its population is about 35,000. Ronda is known for its cliffside location and a deep canyon that ca ...

fall to the troops of Sultan

Yusuf ibn Tashfin Yusuf ibn Tashfin, also Tashafin, Teshufin, (; reigned c. 1061 – 1106) was a Sanhaja leader of the Almoravid Empire. He cofounded the city of Marrakesh and led the Muslim forces in the Battle of Sagrajas. Yusuf ibn Tashfin came to al-And ...

. * King Stephen II of Croatia becomes involved in an open conflict between factions of the

Croatian nobility Croatian nobility (; ) was a privileged social class in Croatia during the Ancient history, Antiquity and Middle Ages, Medieval periods of the country's history. Noble families in the Kingdom of Croatia (disambiguation), Kingdom of Croatia inclu ...

, who reassert their traditional rights in their own counties.

Seljuk Empire

Hassan-i Sabbah Hasan al-Sabbah also known as Hasan I of Alamut, was an Iranian religious and military leader, founder of the Nizari Ismai'li sect widely known as the '' Hashshashin'' or the Order of Assassins, as well as the Nizari Ismaili state, ruling fro ...

founds the

Nizari Ismaili state The Nizari state (the Alamut state) was a Nizari Isma'ili Shia state founded by Hassan-i Sabbah after he took control of the Alamut Castle in 1090 AD, which marked the beginning of an era of Ismailism known as the "Alamut period". Their people ...

after taking control of the

Alamut Castle Alamut (, meaning "eagle's nest") is a ruined mountain fortress located in the Alamut region in the South Caspian Sea, Caspian, near the village of Gazor Khan in Qazvin Province in Iran, approximately 200 km (130 mi) from present-day Teh ...

and organising the military group called the

Order of Assassins The Order of Assassins (; ) were a Nizari Isma'ilism, Nizari Isma'ili order that existed between 1090 and 1275 AD, founded by Hasan-i Sabbah, Hasan al-Sabbah. During that time, they lived in the mountains of Persia and the Levant, and held a ...

Africa

Béjaïa Béjaïa ( ; , , ), formerly known as Bougie and Bugia, is a Mediterranean seaport, port city and communes of Algeria, commune on the Gulf of Béjaïa in Algeria; it is the capital of Béjaïa Province. Geography Location Béjaïa owes its ...

(or Bugia) becomes the capital of the

Hammadid dynasty The Hammadid dynasty (), also known as the Hammadid Emirate or the Kingdom of Bejaia, was a medieval Islamic kingdom in the central Maghreb, encompassing what is now Algeria. It was established at the beginning of the 11th century when Hammad ...

in modern-day

Algeria Algeria, officially the People's Democratic Republic of Algeria, is a country in the Maghreb region of North Africa. It is bordered to Algeria–Tunisia border, the northeast by Tunisia; to Algeria–Libya border, the east by Libya; to Alger ...

. It becomes an important port and centre of culture.

By topic

Arts and Culture

Troubadour A troubadour (, ; ) was a composer and performer of Old Occitan lyric poetry during the High Middle Ages (1100–1350). Since the word ''troubadour'' is etymologically masculine, a female equivalent is usually called a ''trobairitz''. The tr ...

s begin playing in western

Aquitaine Aquitaine (, ; ; ; ; Poitevin-Saintongeais: ''Aguiéne''), archaic Guyenne or Guienne (), is a historical region of southwestern France and a former Regions of France, administrative region. Since 1 January 2016 it has been part of the administ ...

(

Poitou Poitou ( , , ; ; Poitevin: ''Poetou'') was a province of west-central France whose capital city was Poitiers. Both Poitou and Poitiers are named after the Pictones Gallic tribe. Geography The main historical cities are Poitiers (historical ...

and

Saintonge Saintonge may refer to: *County of Saintonge, a historical province of France on the Atlantic coast * Saintonge (region), a region of France corresponding to the historical province * Saintonge ware, a medieval pottery type produced in Saintes reg ...

) and

Gascony Gascony (; ) was a province of the southwestern Kingdom of France that succeeded the Duchy of Gascony (602–1453). From the 17th century until the French Revolution (1789–1799), it was part of the combined Province of Guyenne and Gascon ...

(approximate date).

Science and Technology

Qin Guan Qin Guan (; 1049 – ) was a Chinese poet of the Song Dynasty. His courtesy name was Shaoyou (). Taixu was also his courtesy name. His pseudonym was Huaihai Jushi () and Hangou Jushi (). He was honored as one of the "Four Scholars of Sumen" (), ...

, Chinese poet of the

Song dynasty The Song dynasty ( ) was an Dynasties of China, imperial dynasty of China that ruled from 960 to 1279. The dynasty was founded by Emperor Taizu of Song, who usurped the throne of the Later Zhou dynasty and went on to conquer the rest of the Fiv ...

, writes the ''Can Shu'' (Book of

Sericulture Sericulture, or silk farming, is the cultivation of silkworms to produce silk. Although there are several commercial species of silkworms, the caterpillar of the Bombyx mori, domestic silkmoth is the most widely used and intensively studied silkwo ...

), which describes a

silk Silk is a natural fiber, natural protein fiber, some forms of which can be weaving, woven into textiles. The protein fiber of silk is composed mainly of fibroin and is most commonly produced by certain insect larvae to form cocoon (silk), c ...

-reeling machine that has the world's oldest known mechanical belt drive.

Births

January 17 Events Pre-1600 * 38 BC – Octavian divorces his wife Scribonia and marries Livia Drusilla, ending the fragile peace between the Second Triumvirate and Sextus Pompey. * 1362 – Saint Marcellus' flood kills at least 25,000 peopl ...

– Qin Hui, Chinese chancellor (d.

1155 Year 1155 ( MCLV) was a common year starting on Saturday of the Julian calendar. Events By place Europe * April 18 – Siege of Tortona: German forces capture the citadel of Tortona (after a two-month siege). The city is razed ...

) *''unknown dates'' ** Frederick II ("the One-Eyed"), German

nobleman Nobility is a social class found in many societies that have an aristocracy. It is normally appointed by and ranked immediately below royalty. Nobility has often been an estate of the realm with many exclusive functions and characteristics. T ...

(d. 1147) ** Dōin (Fujiwara no Atsuyori), Japanese '' waka'' poet (d. 1179) *''probable'' ** Adolf III, German count of

Berg Berg may refer to: People *Berg (surname), a surname (including a list of people with the name) * General Berg (disambiguation) * Berg Ng (born 1960), Hong Kong actor * Berg (footballer, born 1963), Ninimbergue dos Santos Guerra, Brazilian footba ...

and Hövel (d.

1152 Year 1152 ( MCLII) was a leap year starting on Tuesday of the Julian calendar. Events By place Levant * Spring – King Baldwin III and his mother, Queen Melisende, are called to intervene in a dispute between Baldwin's aunt H ...

) ** Agnes I, German

abbess An abbess (Latin: ''abbatissa'') is the female superior of a community of nuns in an abbey. Description In the Catholic Church (both the Latin Church and Eastern Catholic), Eastern Orthodox, Coptic, Lutheran and Anglican abbeys, the mod ...

Quedlinburg Quedlinburg () is a town situated just north of the Harz mountains, in the Harz (district), district of Harz in the west of Saxony-Anhalt, Germany. As an influential and prosperous trading centre during the early Middle Ages, Quedlinburg becam ...

(approximate date) **

Alaungsithu Alaungsithu or Sithu I ( ; also Cansu I; 1090–1167) was king of Pagan Dynasty of Burma Myanmar, officially the Republic of the Union of Myanmar; and also referred to as Burma (the official English name until 1989), is a country in ...

, Burmese king of the Pagan dynasty (d. 1167) **

Arnold of Brescia Arnold of Brescia ( 1090 – June 1155), also known as Arnaldus (), was an Italian canon regular from Lombardy, who called on the Church to renounce property-ownership and participated in the failed Commune of Rome of 1144–1193. He is considere ...

, Italian

canon regular The Canons Regular of St. Augustine are Catholic priests who live in community under a rule ( and κανών, ''kanon'', in Greek) and are generally organised into religious orders, differing from both secular canons and other forms of religiou ...

(approximate date) **

Bernard of Clairvaux Bernard of Clairvaux, Cistercians, O.Cist. (; 109020 August 1153), venerated as Saint Bernard, was an abbot, Mysticism, mystic, co-founder of the Knights Templar, and a major leader in the reform of the Benedictines through the nascent Cistercia ...

, French

abbot Abbot is an ecclesiastical title given to the head of an independent monastery for men in various Western Christian traditions. The name is derived from ''abba'', the Aramaic form of the Hebrew ''ab'', and means "father". The female equivale ...

and theologian (d. 1153) ** Chen Yuyi, Chinese politician of the

(d.

1138 Year 1138 (Roman numerals, MCXXXVIII) was a common year starting on Saturday of the Julian calendar. Events By place Europe * March 7 – Conrad III of Germany, Conrad III is elected as King of the Romans#List, King of Germany, i ...

) ** Eliezer ben Nathan, German

rabbi A rabbi (; ) is a spiritual leader or religious teacher in Judaism. One becomes a rabbi by being ordained by another rabbi—known as ''semikha''—following a course of study of Jewish history and texts such as the Talmud. The basic form of t ...

and liturgical poet (d.

1170 Year 1170 ( MCLXX) was a common year starting on Thursday of the Julian calendar. Events By place Levant * Winter – Egyptian forces, led by Saladin, invade the Kingdom of Jerusalem, and besiege Darum on the Mediterranean coast ...

) ** Eric II ("the Memorable"), king of

Denmark Denmark is a Nordic countries, Nordic country in Northern Europe. It is the metropole and most populous constituent of the Kingdom of Denmark,, . also known as the Danish Realm, a constitutionally unitary state that includes the Autonomous a ...

(approximate date) ** Fujiwara no Akisuke, Japanese nobleman and poet (d. 1155) ** Juliane de Fontevrault, illegitimate daughter of King

Henry I of England Henry I ( – 1 December 1135), also known as Henry Beauclerc, was King of England from 1100 to his death in 1135. He was the fourth son of William the Conqueror and was educated in Latin and the liberal arts. On William's death in 1087, Henr ...

** Conrad I, Duke of Zähringen, German nobleman and rector of

Burgundy Burgundy ( ; ; Burgundian: ''Bregogne'') is a historical territory and former administrative region and province of east-central France. The province was once home to the Dukes of Burgundy from the early 11th until the late 15th century. ...

(d. 1152) **

Niklot Niklot or Nyklot (died August 1160) was a tribal chief, chief or prince of the Slavic peoples, Slavic Obotrites and an ancestor of the House of Mecklenburg. He became chief of the Obotrite confederacy, including the Kissini and the Circipani, bet ...

(or Nyklot), Obotrite prince and tribal chief (d. 1160) **

Robert, 1st Earl of Gloucester Robert FitzRoy, 1st Earl of Gloucester (c. 1090 – 31 October 1147 David Crouch, 'Robert, first earl of Gloucester (b. c. 1090, d. 1147)', Oxford Dictionary of National Biography, Oxford University Press, 2004; online edn, May 200Retrieved 1 ...

, illegitimate son of King Henry I of England **

Theobald II, Count of Champagne Theobald the Great (1090–1152) was count of Blois and of Chartres as Theobald IV from 1102 and was Count of Champagne and of Brie as Theobald II from 1125. Theobald held Auxerre, Maligny, Ervy, Troyes and Châteauvillain as fiefs from O ...

("the Great"), French nobleman **

Theobald of Bec Theobald of Bec ( c. 1090 – 18 April 1161) was a Norman archbishop of Canterbury from 1139 to 1161. His exact birth date is unknown. Some time in the late 11th or early 12th century Theobald became a monk at the Abbey of Bec, r ...

, Norman churchman, archbishop of

Canterbury Canterbury (, ) is a City status in the United Kingdom, city and UNESCO World Heritage Site, in the county of Kent, England; it was a county borough until 1974. It lies on the River Stour, Kent, River Stour. The city has a mild oceanic climat ...

William de Mohun, 1st Earl of Somerset William de Mohun of Dunster, Earl of Somerset (c. 1090 – c. 1155), 2nd feudal baron of Dunster, was a favourite of Empress Matilda and a loyal supporter of her in the war against King Stephen, during which he earned the epithet of the "Sc ...

, Anglo-Norman nobleman

Deaths

March 22 Events Pre-1600 * 106 – Start of the Bostran era, the calendar of the province of Arabia Petraea. * 235 – Roman emperor Severus Alexander is murdered, marking the start of the Crisis of the Third Century. * 871 – Æthel ...

– García II, king of Galicia and Portugal (b. 1042) *

April 16 Events Pre-1600 * 1457 BC – Battle of Megido – the first battle to have been recorded in what is accepted as relatively reliable detail. * 69 – Defeated by Vitellius' troops at Bedriacum, Roman emperor Otho commits suicide. * ...

–

Sikelgaita Sikelgaita (also ''Sichelgaita'', ''Sigelgaita'', or ''Gaita'') (c. 1040 – 16 April 1090) was a Lombards, Lombard princess, the daughter of Prince Guaimar IV of Salerno and second wife of Duke Robert Guiscard of Apulia. Her heritage made her ...

, Lombard duchess of

Apulia Apulia ( ), also known by its Italian language, Italian name Puglia (), is a Regions of Italy, region of Italy, located in the Southern Italy, southern peninsular section of the country, bordering the Adriatic Sea to the east, the Strait of Ot ...

(b.

1040 Year 1040 ( MXL) was a leap year starting on Tuesday of the Julian calendar. Events By place Europe * Spring – Nikephoros Dokeianos, Byzantine governor of the Catepanate of Italy, is murdered by Lombard rebels at Ascoli. He is re ...

) *

May 3 Events Pre-1600 * 752 – Mayan king Bird Jaguar IV of Yaxchilan in modern-day Chiapas, Mexico, assumes the throne. * 1481 – The largest of three earthquakes strikes the island of Rhodes and causes an estimated 30,000 casualties ...

–

Adelaide of Rheinfelden Adelaide of Rheinfelden (or Adelaide of Swabia) () (1060s – May 1090), was Queen of Hungary by marriage to King Ladislaus I. Life Adelaide was born circa 1065 to Rudolf of Rheinfelden, duke of Swabia and German anti-king, and his second wi ...

, queen consort of

Hungary Hungary is a landlocked country in Central Europe. Spanning much of the Pannonian Basin, Carpathian Basin, it is bordered by Slovakia to the north, Ukraine to the northeast, Romania to the east and southeast, Serbia to the south, Croatia and ...

May 12 Events Pre-1600 * 254 – Pope Stephen I succeeds Pope Lucius I, becoming the 23rd pope of the Catholic Church, and immediately takes a stand against Novatianism. * 907 – Zhu Wen forces Emperor Ai into abdicating, ending the ...

–

Liutold of Eppenstein Liutold of Eppenstein ( – 12 May 1090) was Duke of Carinthia and Margrave of Verona from 1077 until his death. Biography He was the second son of Markwart, Count of Eppenstein (d. 1076) and his wife Liutbirg, daughter of Count Liutold of ...

, German nobleman *

May 18 Events Pre-1600 * 332 – Emperor Constantine the Great announces free distributions of food to the citizens in Constantinople. * 872 – Louis II of Italy is crowned for the second time as Holy Roman Emperor at Rome, at the age of 47 ...

– Berthold of Rheinfelden, German nobleman *

June 26 Events Pre-1600 *4 AD, 4 – Augustus adopts Tiberius. * 221 – Roman emperor Elagabalus adopts his cousin Alexander Severus as his heir and receives the title of Caesar (title), Caesar. * 363 – Roman emperor Julian (emperor), J ...

– Jaromír, Bohemian prince and bishop *

July 3 Events Pre-1600 * 324 – Battle of Adrianople: Constantine I defeats Licinius, who flees to Byzantium. * 987 – Hugh Capet is crowned King of France, the first of the Capetian dynasty that would rule France until the French Revol ...

– Egbert II (or Ekbert), German nobleman *

August 11 Events Pre-1600 * 3114 BC – The Mesoamerican Long Count calendar, used by several pre-Columbian Mesoamerican civilizations, notably the Maya, begins. * 2492 BC – Traditional date of the defeat of Bel by Hayk, progenitor and foun ...

– Fujiwara no Atsuie, Japanese nobleman (b.

1033 Year 1033 (Roman numerals, MXXXIII) was a common year starting on Monday (the wikilink will display the full calendar) of the Julian calendar. Events By place Asia * December 5 – A 1033 Jordan Rift Valley earthquake, major earth ...

) *

August 13 Events Pre-1600 * 29 BC – Octavian holds the first of three consecutive triumphs in Rome to celebrate the victory over the Dalmatian tribes. * 523 – John I becomes the new Pope after the death of Pope Hormisdas. * 554 &ndash ...

–

Constance of Normandy Constance of Normandy (between 1057 and 1061 – 13 August 1090) was a Duchess of Brittany. She was one of the nine children of William the Conqueror and Matilda of Flanders. She was born in Normandy, where her father was duke. William of Jumi� ...

, duchess of

Brittany Brittany ( ) is a peninsula, historical country and cultural area in the north-west of modern France, covering the western part of what was known as Armorica in Roman Gaul. It became an Kingdom of Brittany, independent kingdom and then a Duch ...

*''unknown dates'' ** Abd al-Jalil ibn Wahbun, Moorish poet and writer ** Fayun Faxiu, Chinese

Chan Buddhist Chan (; of ), from Sanskrit ''dhyāna in Buddhism, dhyāna'' (meaning "meditation" or "meditative state"), is a Chinese school of Mahayana, Mahāyāna Buddhism. It developed in China from the 6th century CE onwards, becoming especially popula ...

monk (b.

1027 Year 1027 ( MXXVII) was a common year starting on Sunday of the Julian calendar. Events By Place Europe * March 26 – Pope John XIX crowns Conrad II ("the Elder") and his wife Gisela of Swabia as Holy Roman Emperor and Empress ...

) ** Richard fitz Gilbert, Norman nobleman (b. c.10350 ** Guo Xi, Chinese

landscape A landscape is the visible features of an area of land, its landforms, and how they integrate with natural or human-made features, often considered in terms of their aesthetic appeal.''New Oxford American Dictionary''. A landscape includes th ...

painter ** St Isaiah of Rostov, Kievan

missionary A missionary is a member of a Religious denomination, religious group who is sent into an area in order to promote its faith or provide services to people, such as education, literacy, social justice, health care, and economic development.Thoma ...

and bishop ** Raynald I, French

Benedictine The Benedictines, officially the Order of Saint Benedict (, abbreviated as O.S.B. or OSB), are a mainly contemplative monastic order of the Catholic Church for men and for women who follow the Rule of Saint Benedict. Initiated in 529, th ...

abbot (b. 1059) **

William of Poitiers William of Poitiers (, ; 10201090) was a Norman priest who served as the chaplain of Duke William II of Normandy (William the Conqueror), for whom he chronicled the Norman conquest of England in his ''Gesta Willelmi ducis Normannorum et regis ...

, French priest and chronicler (b. c.1020) *''probable'' **

Osbern of Canterbury Osbern of Canterbury or Monk Osbern ( 1050 – c. 1095) was a Benedictine monk, hagiographer and musician, precentor of Christ Church, Canterbury. Biography Osbern was born at Canterbury and brought up by Godric, who was dean from 1058 to 1080, h ...

, English

hagiographer A hagiography (; ) is a biography of a saint or an ecclesiastical leader, as well as, by extension, an wiktionary:adulatory, adulatory and idealized biography of a preacher, priest, founder, saint, monk, nun or icon in any of the world's religi ...

References

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