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The 9th century was a period from
801 __NOTOC__ Year 801 ( DCCCI) was a common year starting on Friday (link will display the full calendar) of the Julian calendar. Events By place Europe * Emperor Charlemagne formally cedes Nordalbian territory (modern-day Schleswig-Hol ...
( DCCCI) through 900 ( CM) in accordance with the
Julian calendar The Julian calendar, proposed by Roman consul Julius Caesar in 46 BC, was a reform of the Roman calendar. It took effect on , by edict. It was designed with the aid of Greek mathematicians and astronomers such as Sosigenes of Alexandr ...
. The
Carolingian Renaissance The Carolingian Renaissance was the first of three medieval renaissances, a period of cultural activity in the Carolingian Empire. It occurred from the late 8th century to the 9th century, taking inspiration from the State church of the Roman Emp ...
and the
Viking raids The Viking Age () was the period during the Middle Ages when Norsemen known as Vikings undertook large-scale raiding, colonizing, conquest, and trading throughout Europe and reached North America. It followed the Migration Period and the Germ ...
occurred within this period. In the Middle East, the
House of Wisdom The House of Wisdom ( ar, بيت الحكمة, Bayt al-Ḥikmah), also known as the Grand Library of Baghdad, refers to either a major Abbasid public academy and intellectual center in Baghdad or to a large private library belonging to the Abba ...
was founded in
Abbasid The Abbasid Caliphate ( or ; ar, الْخِلَافَةُ الْعَبَّاسِيَّة, ') was the third caliphate to succeed the Islamic prophet Muhammad. It was founded by a dynasty descended from Muhammad's uncle, Abbas ibn Abdul-Muttalib ...
Baghdad Baghdad (; ar, بَغْدَاد , ) is the capital of Iraq and the second-largest city in the Arab world after Cairo. It is located on the Tigris near the ruins of the ancient city of Babylon and the Sassanid Persian capital of Ctesiphon ...
, attracting many scholars to the city. The field of
algebra Algebra () is one of the broad areas of mathematics. Roughly speaking, algebra is the study of mathematical symbols and the rules for manipulating these symbols in formulas; it is a unifying thread of almost all of mathematics. Elementary a ...
was founded by the Muslim polymath al-Khwarizmi. The most famous Islamic Scholar Ahmad ibn Hanbal was tortured and imprisoned by Abbasid official Ahmad ibn Abi Du'ad during the reign of Abbasid caliph al-Mu'tasim and caliph al-Wathiq. In Southeast Asia, the height of the Mataram Kingdom happened in this century, while Burma would see the establishment of the major kingdom of
Pagan Paganism (from classical Latin ''pāgānus'' "rural", "rustic", later "civilian") is a term first used in the fourth century by early Christians for people in the Roman Empire who practiced polytheism, or ethnic religions other than Judaism. ...
. Tang China started the century with the effective rule under
Emperor Xianzong Emperor Xianzong of Tang (4 March to 1 April 778''Old Book of Tang'', vol. 14. – 14 February 820; r. 805 – 820), personal name Li Chun, né Li Chun (), was an emperor of the Chinese Tang Dynasty. He was the eldest son of Emperor Shunzong ...
and ended the century with the Huang Chao rebellions. While the Maya experienced widespread political collapse in the central Maya region, resulting in internecine warfare, the abandonment of cities, and a northward shift of population.


West Africa


Southeastern Nigeria

Around the 9th century, the
Edo people The Edo or Benin people are an Edoid ethnic group primarily found in Edo State, Southern part of Nigeria. They speak the Edo language and are the descendants of the founders of the Benin Empire. They are closely related to other ethnic group ...
of what is now southeastern
Nigeria Nigeria ( ), , ig, Naìjíríyà, yo, Nàìjíríà, pcm, Naijá , ff, Naajeeriya, kcg, Naijeriya officially the Federal Republic of Nigeria, is a country in West Africa. It is situated between the Sahel to the north and the Gulf o ...
developed bronze casts of
human Humans (''Homo sapiens'') are the most abundant and widespread species of primate, characterized by bipedalism and exceptional cognitive skills due to a large and complex brain. This has enabled the development of advanced tools, culture, ...
s,
animal Animals are multicellular, eukaryotic organisms in the Kingdom (biology), biological kingdom Animalia. With few exceptions, animals Heterotroph, consume organic material, Cellular respiration#Aerobic respiration, breathe oxygen, are Motilit ...
s, and
legendary creature A legendary creature (also mythical or mythological creature) is a type of fictional entity, typically a hybrid, that has not been proven and that is described in folklore Folklore is shared by a particular group of people; it encompasses ...
s. These bronzes, which were used as vessels, amulets, pendants, and sacrificial tools, are among the earliest made bronzes ever found in Nigeria. Most items were part of a burial of a nobleman culture in the northern part of the
Benin Empire The Kingdom of Benin, also known as the Edo Kingdom, or the Benin Empire ( Bini: ') was a kingdom within what is now southern Nigeria. It has no historical relation to the modern republic of Benin, which was known as Dahomey from the 17th c ...
. Evidence of long-distance trade between Benin and Portugal was also discovered through the thousands of glass beads found at Old Cairo at the workshops of Fustat. The development of the
Benin Kingdom The Kingdom of Benin, also known as the Edo Kingdom, or the Benin Empire ( Bini: ') was a kingdom within what is now southern Nigeria. It has no historical relation to the modern republic of Benin, which was known as Dahomey from the 17th c ...
can be attributed to the proficiency at advanced metallurgy seen in the bronze jewellery crafted by local artisans.


Ghana Empire

The
Ghana (Wagadu) Empire The Ghana Empire, also known as Wagadou ( ar, غانا) or Awkar, was a West African empire based in the modern-day southeast of Mauritania and western Mali that existed from c. 300 until 1100. The Empire was founded by the Soninke people, a ...
(before c. 830 until c. 1235) was located in what is now southeastern
Mauritania Mauritania (; ar, موريتانيا, ', french: Mauritanie; Berber: ''Agawej'' or ''Cengit''; Pulaar: ''Moritani''; Wolof: ''Gànnaar''; Soninke:), officially the Islamic Republic of Mauritania ( ar, الجمهورية الإسلامية ...
and western
Mali Mali (; ), officially the Republic of Mali,, , ff, 𞤈𞤫𞤲𞥆𞤣𞤢𞥄𞤲𞤣𞤭 𞤃𞤢𞥄𞤤𞤭, Renndaandi Maali, italics=no, ar, جمهورية مالي, Jumhūriyyāt Mālī is a landlocked country in West Africa. Mali ...
. It is considered the first of the
Sahelian Kingdoms The Sahelian kingdoms were a series of centralized kingdoms or empires that were centered on the Sahel, the area of grasslands south of the Sahara, from the 8th century to the 19th. The wealth of the states came from controlling the trade routes ...
, which would exist in some form until the early 20th century.


Western Europe


Britain and Ireland

Britain experienced a great influx of
Viking Vikings ; non, víkingr is the modern name given to seafaring people originally from Scandinavia (present-day Denmark, Norway and Sweden), who from the late 8th to the late 11th centuries raided, pirated, traded and se ...
peoples in the 9th century as the
Viking Age The Viking Age () was the period during the Middle Ages when Norsemen known as Vikings undertook large-scale raiding, colonizing, conquest, and trading throughout Europe and reached North America. It followed the Migration Period and the Ger ...
continued from the previous century. The kingdoms of the
Heptarchy The Heptarchy were the seven petty kingdoms of Anglo-Saxon England that flourished from the Anglo-Saxon settlement of Britain in the 5th century until they were consolidated in the 8th century into the four kingdoms of Mercia, Northumbria, Wess ...
were gradually conquered by the Danes, who set up Anglo-Saxon puppet rulers in each kingdom. This invasion was achieved by a huge military force known as the Great Heathen Army, which was supposedly led by Ivar the Boneless, Halfdan Ragnarsson, and Guthrum. This Danish army first arrived in Britain in
865 __NOTOC__ Year 865 ( DCCCLXV) was a common year starting on Monday (link will display the full calendar) of the Julian calendar. Events By place Europe * King Louis the German divides the East Frankish Kingdom among his three sons. Ca ...
in
East Anglia East Anglia is an area in the East of England, often defined as including the counties of Norfolk, Suffolk and Cambridgeshire. The name derives from the Anglo-Saxon kingdom of the East Angles, a people whose name originated in Anglia, in ...
. After conquering that kingdom, the army proceeded to capture the city of
York York is a cathedral city with Roman origins, sited at the confluence of the rivers Ouse and Foss in North Yorkshire, England. It is the historic county town of Yorkshire. The city has many historic buildings and other structures, such as a ...
( Jorvik) and establish the kingdom of Jorvik. The Danes went on to subjugate the kingdom of
Northumbria la, Regnum Northanhymbrorum , conventional_long_name = Kingdom of Northumbria , common_name = Northumbria , status = State , status_text = Unified Anglian kingdom (before 876)North: Anglian kingdom (af ...
and to take all but the western portion of
Mercia la, Merciorum regnum , conventional_long_name=Kingdom of Mercia , common_name=Mercia , status=Kingdom , status_text=Independent kingdom (527–879)Client state of Wessex () , life_span=527–918 , era=Heptarchy , event_start= , date_start= , ye ...
. The remaining kingdom of Wessex was the only kingdom of the
Heptarchy The Heptarchy were the seven petty kingdoms of Anglo-Saxon England that flourished from the Anglo-Saxon settlement of Britain in the 5th century until they were consolidated in the 8th century into the four kingdoms of Mercia, Northumbria, Wess ...
left.
Alfred the Great Alfred the Great (alt. Ælfred 848/849 – 26 October 899) was King of the West Saxons from 871 to 886, and King of the Anglo-Saxons from 886 until his death in 899. He was the youngest son of King Æthelwulf and his first wife Osburh, who bot ...
managed to maintain his kingdom of Wessex and push back the Viking incursions, relieving the neighbouring kingdoms from the threat of the Danes following his famous victory over them at the
Battle of Ethandun At the Battle of Edington, an army of the kingdom of Wessex under Alfred the Great defeated the Great Heathen Army led by the Dane Guthrum on a date between 6 and 12 May 878, resulting in the Treaty of Wedmore later the same year. Primary s ...
in
878 __NOTOC__ Year 878 (Roman numerals, DCCCLXXVIII) was a common year starting on Wednesday (link will display the full calendar) of the Julian calendar. Events By place Britain * January 6 – King Alfred the Great is surprised by a ...
. Alfred re-established
Anglo-Saxon The Anglo-Saxons were a Cultural identity, cultural group who inhabited England in the Early Middle Ages. They traced their origins to settlers who came to Britain from mainland Europe in the 5th century. However, the ethnogenesis of the Anglo- ...
rule over the western half of
Mercia la, Merciorum regnum , conventional_long_name=Kingdom of Mercia , common_name=Mercia , status=Kingdom , status_text=Independent kingdom (527–879)Client state of Wessex () , life_span=527–918 , era=Heptarchy , event_start= , date_start= , ye ...
, and the Danelaw was established which separated
Mercia la, Merciorum regnum , conventional_long_name=Kingdom of Mercia , common_name=Mercia , status=Kingdom , status_text=Independent kingdom (527–879)Client state of Wessex () , life_span=527–918 , era=Heptarchy , event_start= , date_start= , ye ...
into halves, the eastern half remaining under the control of the Danes.
Ireland Ireland ( ; ga, Éire ; Ulster Scots dialect, Ulster-Scots: ) is an island in the Atlantic Ocean, North Atlantic Ocean, in Northwestern Europe, north-western Europe. It is separated from Great Britain to its east by the North Channel (Grea ...
was also affected by the Viking expansion across the
North Sea The North Sea lies between Great Britain, Norway, Denmark, Germany, the Netherlands and Belgium. An epeiric sea on the European continental shelf, it connects to the Atlantic Ocean through the English Channel in the south and the Norwegian S ...
. Extensive raids were carried out all along the coast and eventually, permanent settlements were established, such as that of
Dublin Dublin (; , or ) is the capital and largest city of Republic of Ireland, Ireland. On a bay at the mouth of the River Liffey, it is in the Provinces of Ireland, province of Leinster, bordered on the south by the Dublin Mountains, a part of th ...
in
841 __NOTOC__ Year 841 ( DCCCXLI) was a common year starting on Saturday (link will display the full calendar) of the Julian calendar. Events By place Europe * June 25 – Battle of Fontenay: Frankish forces of Emperor Lothair I, and ...
. Particular targets for these raids were the monasteries on the western coast of Ireland, as they provided a rich source for loot. On such raids the
Vikings Vikings ; non, víkingr is the modern name given to seafaring people originally from Scandinavia (present-day Denmark, Norway and Sweden), who from the late 8th to the late 11th centuries raided, pirated, traded and se ...
set up impermanent camps, which were called
longphorts A longphort (Ir. plur. ''longphuirt'') is a term used in Ireland for a Viking ship enclosureConnolly S.J (1998). The Oxford Companion to Irish History. Oxford University Press. p. 580 or shore fortress. Although these ''longphorts'' were used as b ...
by the Irish—this period of Viking raids on the coasts of Ireland has been named the longphort phase after these types of settlements. Ireland in the 9th century was organised into an amalgam of small kingdoms, called tuatha. These kingdoms were sometimes grouped together and ruled by a single, provincial ruler. If such a ruler could establish and maintain authority over a portion of these tuatha, he was sometimes granted the title of High King.
Scotland Scotland (, ) is a country that is part of the United Kingdom. Covering the northern third of the island of Great Britain, mainland Scotland has a border with England to the southeast and is otherwise surrounded by the Atlantic Ocean to the ...
also experienced significant Viking incursions during the 9th century. The Vikings established themselves in coastal regions, usually in northern Scotland, and in the northern islands such as
Orkney Orkney (; sco, Orkney; on, Orkneyjar; nrn, Orknøjar), also known as the Orkney Islands, is an archipelago in the Northern Isles of Scotland, situated off the north coast of the island of Great Britain. Orkney is 10 miles (16 km) north ...
and
Shetland Shetland, also called the Shetland Islands and formerly Zetland, is a subarctic archipelago in Scotland lying between Orkney, the Faroe Islands and Norway. It is the northernmost region of the United Kingdom. The islands lie about to the no ...
. The Viking invasion and settlement in Scotland provided a contributing factor in the collapse of the kingdoms of the
Picts The Picts were a group of peoples who lived in what is now northern and eastern Scotland (north of the Firth of Forth) during Late Antiquity and the Early Middle Ages. Where they lived and what their culture was like can be inferred from ea ...
, who inhabited most of Scotland at the time. Not only were the Pictish realms either destroyed or severely weakened, the Viking invasion and settlements may have been the reason for the movement of Kenneth MacAlpin, the king of Dál Riata at that time. The kingdom of Dál Riata was located on the western coast of Scotland, and Viking incursions destroyed it after the death of its previous king,
Áed mac Boanta Áed mac Boanta (died 839) is believed to have been a king of Dál Riata. The only reference to Áed in the Irish annals is found in the Annals of Ulster, where it is recorded that " Eóganán mac Óengusa, Bran mac Óengusa, Áed mac Boanta, a ...
in 839, according to the
Annals of Ulster The ''Annals of Ulster'' ( ga, Annála Uladh) are annals of medieval Ireland. The entries span the years from 431 AD to 1540 AD. The entries up to 1489 AD were compiled in the late 15th century by the scribe Ruaidhrí Ó Luinín, ...
. This may have caused the new king, MacAlpin, to move to the east, and conquer the remnants of the Pictish realms. MacAlpin became king of the Picts in 843 and later kings would be titled as the King of Alba or
King of Scots The monarch of Scotland was the head of state of the Kingdom of Scotland. According to tradition, the first King of Scots was Kenneth I MacAlpin (), who founded the sovereign state, state in 843. Historically, the Kingdom of Scotland is thoug ...
.


Art

Art in the 9th century was primarily dedicated to the Gospel and employed as basic tools of liturgy of the Roman Orthodox Church. Thousands of golden art objects were made: Sacred cups, vessels, reliquaries, crucifixes, rosaries, altarpieces, and statues of the Virgin and Child or Saints all kept the flame of western art from dying out. Architecture began to revive to some extent in the West by the 9th century, taking the form of Church facilities of all kinds, and the first castle fortifications since Roman times began to take form in simple "moat and bailey" castles, or simple "strong point" tower structures, with little refinement.


Events

* 800s:
Southeast Asia Southeast Asia, also spelled South East Asia and South-East Asia, and also known as Southeastern Asia, South-eastern Asia or SEA, is the geographical United Nations geoscheme for Asia#South-eastern Asia, south-eastern region of Asia, consistin ...
n kingdoms of Muja (then Pagan
Brunei Brunei ( , ), formally Brunei Darussalam ( ms, Negara Brunei Darussalam, Jawi alphabet, Jawi: , ), is a country located on the north coast of the island of Borneo in Southeast Asia. Apart from its South China Sea coast, it is completely sur ...
/Vijayapura) and Mayd ( Ma-i) waged war against the Chinese Empire.Brunei Rediscovered: A Survey of Early Times By Robert Nicholl Page 38
/ref> *
802 Year 802 ( DCCCII) was a common year starting on Saturday (link will display the full calendar) of the Julian calendar. Events By place Byzantine Empire * October 31 – Empress Irene is deposed after a 5-year reign, and banishe ...
:
Jayavarman II Jayavarman II ( km, ជ័យវរ្ម័នទី២; c. 770 – 850) (reigned c. 802–850) was a Khmer prince who founded and became the ruler of the Khmer Empire (Cambodia) after unifying the Khmer civilization. The Khmer Empire was the ...
of the
Khmer people The Khmer people ( km, ជនជាតិខ្មែរ, ) are a Southeast Asian ethnic group native to Cambodia. They comprise over 90% of Cambodia's population of 17 million.
in
Cambodia Cambodia (; also Kampuchea ; km, កម្ពុជា, UNGEGN: ), officially the Kingdom of Cambodia, is a country located in the southern portion of the Indochinese Peninsula in Southeast Asia, spanning an area of , bordered by Thailand t ...
founds the Khmer empire and establishes the Angkorian dynasty. *
803 __NOTOC__ Year 803 ( DCCCIII) was a common year starting on Sunday (link will display the full calendar) of the Julian calendar. Events By place Byzantine Empire * Emperors Nikephoros I and Charlemagne settle their imperial boundaries ...
: Construction on the Leshan Giant Buddha in
Tang Dynasty The Tang dynasty (, ; zh, t= ), or Tang Empire, was an Dynasties in Chinese history, imperial dynasty of China that ruled from 618 to 907 AD, with an Zhou dynasty (690–705), interregnum between 690 and 705. It was preceded by the Sui dyn ...
China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...
is complete, after 90 years of rock-carving on a massive cliff-side. *
805 __NOTOC__ Year 805 ( DCCCV) was a common year starting on Wednesday (link will display the full calendar) of the Julian calendar. Events By place Byzantine Empire * Siege of Patras: Local Slavic tribes of the Peloponnese lay siege to ...
820 __NOTOC__ Year 820 ( DCCCXX) was a leap year starting on Sunday (link will display the full calendar) of the Julian calendar. Events By place Abbasid Caliphate *Abbasid caliph Al-Ma'mun appointed Isa ibn Yazid al-Juludi as Abbasid govern ...
:
Tang Dynasty The Tang dynasty (, ; zh, t= ), or Tang Empire, was an Dynasties in Chinese history, imperial dynasty of China that ruled from 618 to 907 AD, with an Zhou dynasty (690–705), interregnum between 690 and 705. It was preceded by the Sui dyn ...
was under the rule of
Emperor Xianzong of Tang Emperor Xianzong of Tang (4 March to 1 April 778''Old Book of Tang'', vol. 14. – 14 February 820; r. 805 – 820), personal name Li Chun, né Li Chun (), was an emperor of the Chinese Tang Dynasty. He was the eldest son of Emperor Shunzong ...
. *
809 __NOTOC__ Year 809 (Roman numerals, DCCCIX) was a common year starting on Monday (link will display the full calendar) of the Julian calendar. Events By place Byzantine Empire * Spring – Siege of Serdica (809), Siege of Serdica: ...
815 __NOTOC__ Year 815 (Roman numerals, DCCCXV) was a common year starting on Monday (link will display the full calendar) of the Julian calendar. Events By place Byzantine Empire * Byzantine–Bulgarian Treaty of 815, Byzantine–Bulgaria ...
: War between the
Byzantine empire The Byzantine Empire, also referred to as the Eastern Roman Empire or Byzantium, was the continuation of the Roman Empire primarily in its eastern provinces during Late Antiquity and the Middle Ages, when its capital city was Constantinopl ...
and
Bulgaria Bulgaria (; bg, България, Bǎlgariya), officially the Republic of Bulgaria,, ) is a country in Southeast Europe. It is situated on the eastern flank of the Balkans, and is bordered by Romania to the north, Serbia and North Macedon ...
. *
811 __NOTOC__ Year 811 (Roman numerals, DCCCXI) was a common year starting on Wednesday (link will display the full calendar) of the Julian calendar. Events By place Byzantine Empire * Byzantine–Bulgarian wars#Conflict with Nikephoros ...
:
Battle of Pliska The Battle of Pliska or Battle of Vărbitsa Pass was a series of battles between troops, gathered from all parts of the Byzantine Empire, led by the Emperor Nicephorus I, and the First Bulgarian Empire, governed by Khan Krum. The Byzantines plu ...
fought between a Byzantine force led by emperor Nicephorus I and a
Bulgarian Bulgarian may refer to: * Something of, from, or related to the country of Bulgaria * Bulgarians, a South Slavic ethnic group * Bulgarian language, a Slavic language * Bulgarian alphabet * A citizen of Bulgaria, see Demographics of Bulgaria * Bul ...
army commanded by Khan
Krum Krum ( bg, Крум, el, Κροῦμος/Kroumos), often referred to as Krum the Fearsome ( bg, Крум Страшни) was the Khan of Bulgaria from sometime between 796 and 803 until his death in 814. During his reign the Bulgarian territor ...
. Byzantines are defeated in a series of engagements, culminating with the death of Nicephorus I. *
813 Events By place Byzantine Empire * June 22 – Battle of Versinikia: The Bulgars, led by Krum, ruler (''khan'') of the Bulgarian Empire, defeat Emperor Michael I near Edirne (modern Turkey). The Byzantine army (26,000 men) is d ...
: Byzantines are heavily defeated by the Bulgars at Versinikia. *
813 Events By place Byzantine Empire * June 22 – Battle of Versinikia: The Bulgars, led by Krum, ruler (''khan'') of the Bulgarian Empire, defeat Emperor Michael I near Edirne (modern Turkey). The Byzantine army (26,000 men) is d ...
: China is reunited. * c.
813 Events By place Byzantine Empire * June 22 – Battle of Versinikia: The Bulgars, led by Krum, ruler (''khan'') of the Bulgarian Empire, defeat Emperor Michael I near Edirne (modern Turkey). The Byzantine army (26,000 men) is d ...
– c.
915 Year 915 ( CMXV) was a common year starting on Sunday (link will display the full calendar) of the Julian calendar. Events By place Europe * Summer – Battle of Garigliano: The Christian League, personally led by Pope John X, lays s ...
: Period of serious Arab naval raids on shores of Tyrrhenian and Adriatic seas. *
814 __NOTOC__ Year 814 ( DCCCXIV) was a common year starting on Sunday (link will display the full calendar) of the Julian calendar. Events By place Byzantine Empire * April 13 – Byzantine–Bulgarian Wars: Over the winter Krum, rul ...
:
Charlemagne Charlemagne ( , ) or Charles the Great ( la, Carolus Magnus; german: Karl der Große; 2 April 747 – 28 January 814), a member of the Carolingian dynasty, was King of the Franks from 768, King of the Lombards from 774, and the first Holy ...
dies in the city of
Aachen Aachen ( ; ; Aachen dialect: ''Oche'' ; French and traditional English: Aix-la-Chapelle; or ''Aquisgranum''; nl, Aken ; Polish: Akwizgran) is, with around 249,000 inhabitants, the 13th-largest city in North Rhine-Westphalia, and the 28th- ...
. *
815 __NOTOC__ Year 815 (Roman numerals, DCCCXV) was a common year starting on Monday (link will display the full calendar) of the Julian calendar. Events By place Byzantine Empire * Byzantine–Bulgarian Treaty of 815, Byzantine–Bulgaria ...
: A 30-year peace agreement is signed between Bulgaria and the Byzantine Empire. *
820 __NOTOC__ Year 820 ( DCCCXX) was a leap year starting on Sunday (link will display the full calendar) of the Julian calendar. Events By place Abbasid Caliphate *Abbasid caliph Al-Ma'mun appointed Isa ibn Yazid al-Juludi as Abbasid govern ...
:
Muḥammad ibn Mūsā al-Khwārizmī Muhammad ( ar, مُحَمَّد;  570 – 8 June 632 CE) was an Arab religious, social, and political leader and the founder of Islam. According to Islamic doctrine, he was a prophet divinely inspired to preach and confirm the mono ...
writes his treatise on Algebra
The Compendious Book on Calculation by Completion and Balancing ''The Compendious Book on Calculation by Completion and Balancing'' ( ar, كتاب المختصر في حساب الجبر والمقابلة, ; la, Liber Algebræ et Almucabola), also known as ''Al-Jabr'' (), is an Arabic mathematical treati ...
. *
824 __NOTOC__ Year 824 ( DCCCXXIV) was a leap year starting on Friday (link will display the full calendar) of the Julian calendar. Events By place Europe * November 11 – The '' Constitutio Romana'' establishes the authority of the ...
: Han Yu dies. *
825 __NOTOC__ Year 825 ( DCCCXXV) was a common year starting on Sunday (link will display the full calendar) of the Julian calendar. Events By place India * A group of Persio-Assyrian adherents of the Church of the East, under the leade ...
:
Battle of Ellandun The Battle of Ellendun or Battle of Wroughton was fought between Ecgberht of Wessex and Beornwulf of Mercia in September 825. Sir Frank Stenton described it as "one of the most decisive battles of English history". It effectively ended Mercian S ...
: King Egbert of Wessex defeats Mercia and establishes the kingdom of Wessex as the supreme Kingdom in England. *
825 __NOTOC__ Year 825 ( DCCCXXV) was a common year starting on Sunday (link will display the full calendar) of the Julian calendar. Events By place India * A group of Persio-Assyrian adherents of the Church of the East, under the leade ...
: Borobudur is completed during the reign of
Samaratungga Samaratungga was the head of the Sailendra dynasty who ruled Mataram Kingdom and Srivijaya in the 8th and the 9th century. He was the successor of King Indra, and his name was mentioned in Karangtengah inscription dated 824 CE as the constructor o ...
.Dumarçay (1991). *
827 __FORCETOC__ Year 827 ( DCCCXXVII) was a common year starting on Tuesday (link will display the full calendar) of the Julian calendar. Events By place Byzantine Empire * June 14 – Euphemius, exiled Byzantine admiral, asks for t ...
902 __NOTOC__ Year 902 (Roman numerals, CMII) was a common year starting on Friday (link will display the full calendar) of the Julian calendar. Events By place Europe * Spring – Adalbert II, Margrave of Tuscany, Adalbert II, margr ...
: Aghlabids established emirate (province) in
Sicily (man) it, Siciliana (woman) , population_note = , population_blank1_title = , population_blank1 = , demographics_type1 = Ethnicity , demographics1_footnotes = , demographi ...
and subsequently raids Southern Italy. *
830 __NOTOC__ Year 830 ( DCCCXXX) was a common year starting on Saturday (link will display the full calendar) of the Julian calendar. Events By place Britain * King Wiglaf of Mercia regains control from Wessex, and returns to the throne.S ...
: The
Ghana (Wagadu) Empire The Ghana Empire, also known as Wagadou ( ar, غانا) or Awkar, was a West African empire based in the modern-day southeast of Mauritania and western Mali that existed from c. 300 until 1100. The Empire was founded by the Soninke people, a ...
is established. *
830 __NOTOC__ Year 830 ( DCCCXXX) was a common year starting on Saturday (link will display the full calendar) of the Julian calendar. Events By place Britain * King Wiglaf of Mercia regains control from Wessex, and returns to the throne.S ...
: The
House of Wisdom The House of Wisdom ( ar, بيت الحكمة, Bayt al-Ḥikmah), also known as the Grand Library of Baghdad, refers to either a major Abbasid public academy and intellectual center in Baghdad or to a large private library belonging to the Abba ...
, a library and translation institute established in
Baghdad Baghdad (; ar, بَغْدَاد , ) is the capital of Iraq and the second-largest city in the Arab world after Cairo. It is located on the Tigris near the ruins of the ancient city of Babylon and the Sassanid Persian capital of Ctesiphon ...
by
al-Ma'mun Abu al-Abbas Abdallah ibn Harun al-Rashid ( ar, أبو العباس عبد الله بن هارون الرشيد, Abū al-ʿAbbās ʿAbd Allāh ibn Hārūn ar-Rashīd; 14 September 786 – 9 August 833), better known by his regnal name Al-Ma'mu ...
,
Abbasid The Abbasid Caliphate ( or ; ar, الْخِلَافَةُ الْعَبَّاسِيَّة, ') was the third caliphate to succeed the Islamic prophet Muhammad. It was founded by a dynasty descended from Muhammad's uncle, Abbas ibn Abdul-Muttalib ...
caliph A caliphate or khilāfah ( ar, خِلَافَة, ) is an institution or public office under the leadership of an Islamic steward with the title of caliph (; ar, خَلِيفَة , ), a person considered a political-religious successor to th ...
, to transfer the knowledge of Greeks, Persians, Indians, etc. to the Muslim world.
The Compendious Book on Calculation by Completion and Balancing ''The Compendious Book on Calculation by Completion and Balancing'' ( ar, كتاب المختصر في حساب الجبر والمقابلة, ; la, Liber Algebræ et Almucabola), also known as ''Al-Jabr'' (), is an Arabic mathematical treati ...
, a book of
algebra Algebra () is one of the broad areas of mathematics. Roughly speaking, algebra is the study of mathematical symbols and the rules for manipulating these symbols in formulas; it is a unifying thread of almost all of mathematics. Elementary a ...
, is also written there by Al-Khwarizmi. *
835 __NOTOC__ Year 835 ( DCCCXXXV) was a common year starting on Friday (link will display the full calendar) of the Julian Calendar. Events By place Europe * Ragnar Lodbrok, a Norse Viking ruler, rises to power. He becomes the scourge of ...
: Sweet Dew Incident occurs. Emperor Wenzong of the
Tang Dynasty The Tang dynasty (, ; zh, t= ), or Tang Empire, was an Dynasties in Chinese history, imperial dynasty of China that ruled from 618 to 907 AD, with an Zhou dynasty (690–705), interregnum between 690 and 705. It was preceded by the Sui dyn ...
conspires to kill the powerful
eunuch A eunuch ( ) is a male who has been castrated. Throughout history, castration often served a specific social function. The earliest records for intentional castration to produce eunuchs are from the Sumerian city of Lagash in the 2nd millennium ...
s of the Tang court, but the plot is foiled. * 839
842 __NOTOC__ Year 842 ( DCCCXLII) was a common year starting on Sunday (link will display the full calendar) of the Julian calendar. Events By place Byzantine Empire * January 20 – Emperor Theophilos dies of dysentery at Constantin ...
: Vlastimir defeats Presian. * 840: Death of
Louis the Pious Louis the Pious (german: Ludwig der Fromme; french: Louis le Pieux; 16 April 778 – 20 June 840), also called the Fair, and the Debonaire, was King of the Franks and co-emperor with his father, Charlemagne, from 813. He was also King of Aqui ...
. *
841 __NOTOC__ Year 841 ( DCCCXLI) was a common year starting on Saturday (link will display the full calendar) of the Julian calendar. Events By place Europe * June 25 – Battle of Fontenay: Frankish forces of Emperor Lothair I, and ...
:
Dublin Dublin (; , or ) is the capital and largest city of Republic of Ireland, Ireland. On a bay at the mouth of the River Liffey, it is in the Provinces of Ireland, province of Leinster, bordered on the south by the Dublin Mountains, a part of th ...
is founded on the east coast of Ireland by the
Vikings Vikings ; non, víkingr is the modern name given to seafaring people originally from Scandinavia (present-day Denmark, Norway and Sweden), who from the late 8th to the late 11th centuries raided, pirated, traded and se ...
. *
842 __NOTOC__ Year 842 ( DCCCXLII) was a common year starting on Sunday (link will display the full calendar) of the Julian calendar. Events By place Byzantine Empire * January 20 – Emperor Theophilos dies of dysentery at Constantin ...
: Samaale becomes chief of the Hashiyah clan and launches the conquest of Somalia. This paves the way for Hashiyic colonisation of the Peninsular, displacing the native Cushitic peoples of Somalia * 843: The Carolingian Empire is at its height in territory and area. The three sons of
Louis the Pious Louis the Pious (german: Ludwig der Fromme; french: Louis le Pieux; 16 April 778 – 20 June 840), also called the Fair, and the Debonaire, was King of the Franks and co-emperor with his father, Charlemagne, from 813. He was also King of Aqui ...
reach an agreement known as the
Treaty of Verdun The Treaty of Verdun (), agreed in , divided the Francia, Frankish Empire into three kingdoms among the surviving sons of the emperor Louis the Pious, Louis I, the son and successor of Charlemagne. The treaty was concluded following almost three ...
and split the
Carolingian empire The Carolingian Empire (800–888) was a large Frankish-dominated empire in western and central Europe during the Early Middle Ages. It was ruled by the Carolingian dynasty, which had ruled as kings of the Franks since 751 and as kings of the Lom ...
into three divisions;
East Francia East Francia (Medieval Latin: ) or the Kingdom of the East Franks () was a successor state of Charlemagne's Carolingian Empire, empire ruled by the Carolingian dynasty until 911. It was created through the Treaty of Verdun (843) which divided t ...
was given to
Louis the German Louis the German (c. 806/810 – 28 August 876), also known as Louis II of Germany and Louis II of East Francia, was the first king of East Francia, and ruled from 843 to 876 AD. Grandson of emperor Charlemagne and the third son of Louis the P ...
,
West Francia In medieval history, West Francia (Medieval Latin: ) or the Kingdom of the West Franks () refers to the western part of the Frankish Empire established by Charlemagne. It represents the earliest stage of the Kingdom of France, lasting from about ...
to
Charles the Bald Charles the Bald (french: Charles le Chauve; 13 June 823 – 6 October 877), also known as Charles II, was a 9th-century king of West Francia (843–877), king of Italy (875–877) and emperor of the Carolingian Empire (875–877). After a ser ...
and Middle Francia to
Lothair I Lothair I or Lothar I (Dutch and Medieval Latin: ''Lotharius''; German: ''Lothar''; French: ''Lothaire''; Italian: ''Lotario'') (795 – 29 September 855) was emperor (817–855, co-ruling with his father until 840), and the governor of Bavar ...
. *
844 __NOTOC__ Year 844 ( DCCCXLIV) was a leap year starting on Tuesday (link will display the full calendar) of the Julian calendar. Events By place Byzantine Empire * Spring – Battle of Mauropotamos: A Byzantine expedition under ...
: The first Viking raid in Iberia *
845 __NOTOC__ Year 845 ( DCCCXLV) was a common year starting on Thursday (link will display the full calendar) of the Julian calendar. Events By place Byzantine Empire * Byzantine–Arab War: A prisoner exchange occurs between the Byzant ...
:
Buddhism Buddhism ( , ), also known as Buddha Dharma and Dharmavinaya (), is an Indian religion or philosophical tradition based on teachings attributed to the Buddha. It originated in northern India as a -movement in the 5th century BCE, and gra ...
is persecuted and banned in China. *
846 __NOTOC__ Year 846 ( DCCCXLVI) was a common year starting on Friday (link will display the full calendar) of the Julian calendar. Events By place Byzantine Empire * Byzantine–Bulgarian War: The Bulgarians violate the peace treaty ( ...
859 __FORCETOC__ Year 859 (Roman numerals, DCCCLIX) was a common year starting on Sunday (link will display the full calendar) of the Julian calendar. Events By place Europe * January 15 – Battle of St. Quentin: Frankish forces, le ...
: Emperor Xuānzong of Tang reigned. He was considered the last capable emperor of the
Tang dynasty The Tang dynasty (, ; zh, t= ), or Tang Empire, was an Dynasties in Chinese history, imperial dynasty of China that ruled from 618 to 907 AD, with an Zhou dynasty (690–705), interregnum between 690 and 705. It was preceded by the Sui dyn ...
. *
846 __NOTOC__ Year 846 ( DCCCXLVI) was a common year starting on Friday (link will display the full calendar) of the Julian calendar. Events By place Byzantine Empire * Byzantine–Bulgarian War: The Bulgarians violate the peace treaty ( ...
: 11,000
Saracen upright 1.5, Late 15th-century German woodcut depicting Saracens Saracen ( ) was a term used in the early centuries, both in Greek and Latin writings, to refer to the people who lived in and near what was designated by the Romans as Arabia Pe ...
Arab squadrons from Africa, with 500 horses, desecrate
Christian Christians () are people who follow or adhere to Christianity, a monotheistic Abrahamic religion based on the life and teachings of Jesus Christ. The words ''Christ'' and ''Christian'' derive from the Koine Greek title ''Christós'' (Χρι ...
shrines in
Rome , established_title = Founded , established_date = 753 BC , founder = King Romulus (legendary) , image_map = Map of comune of Rome (metropolitan city of Capital Rome, region Lazio, Italy).svg , map_caption ...
, including the tombs and basilicas of Sts. Peter and Paul. *
848 __NOTOC__ Year 848 (Roman numerals, DCCCXLVIII) was a leap year starting on Sunday (link will display the full calendar) of the Julian calendar. Events By place Europe * Summer – Bordeaux, capital of Aquitaine, falls into the hand ...
852 __NOTOC__ Year 852 ( DCCCLII) was a leap year starting on Friday (link will display the full calendar) of the Julian calendar. Events By place Europe * March 4 – Trpimir I, duke ('' knez'') of Croatia, and founder of the Trpimi ...
: The west bank of the
Tiber The Tiber ( ; it, Tevere ; la, Tiberis) is the third-longest river in Italy and the longest in Central Italy, rising in the Apennine Mountains in Emilia-Romagna and flowing through Tuscany, Umbria, and Lazio, where it is joined by the Riv ...
is annexed into the city of
Rome , established_title = Founded , established_date = 753 BC , founder = King Romulus (legendary) , image_map = Map of comune of Rome (metropolitan city of Capital Rome, region Lazio, Italy).svg , map_caption ...
. A
defensive wall A defensive wall is a fortification usually used to protect a city, town or other settlement from potential aggressors. The walls can range from simple palisades or earthworks to extensive military fortifications with towers, bastions and gates ...
, commissioned by
Pope Leo IV Pope Leo IV (790 – 17 July 855) was the bishop of Rome and ruler of the Papal States from 10 April 847 to his death. He is remembered for repairing Roman churches that had been damaged during the Arab raid against Rome, and for building the Leon ...
, is built around what came to be called the
Leonine City The Leonine City (Latin: ''Civitas Leonina'') is the part of the city of Rome which, during the Middle Ages, was enclosed with the Leonine Wall, built by order of Pope Leo IV in the 9th century. This area was located on the opposite side of the ...
as a defensive response to the
Saracen upright 1.5, Late 15th-century German woodcut depicting Saracens Saracen ( ) was a term used in the early centuries, both in Greek and Latin writings, to refer to the people who lived in and near what was designated by the Romans as Arabia Pe ...
desecration of
Rome , established_title = Founded , established_date = 753 BC , founder = King Romulus (legendary) , image_map = Map of comune of Rome (metropolitan city of Capital Rome, region Lazio, Italy).svg , map_caption ...
in
846 __NOTOC__ Year 846 ( DCCCXLVI) was a common year starting on Friday (link will display the full calendar) of the Julian calendar. Events By place Byzantine Empire * Byzantine–Bulgarian War: The Bulgarians violate the peace treaty ( ...
. *
850 ''For codepage, see CP850.'' __NOTOC__ Year 850 (Roman numerals, DCCCL) was a common year starting on Wednesday (link will display the full calendar) of the Julian calendar. Events By place Europe * February 1 – King Ramiro I of A ...
875: The first Norse settlers arrive on
Iceland Iceland ( is, Ísland; ) is a Nordic island country in the North Atlantic Ocean and in the Arctic Ocean. Iceland is the most sparsely populated country in Europe. Iceland's capital and largest city is Reykjavík, which (along with its s ...
. *
851 __NOTOC__ Year 851 ( DCCCLI) was a common year starting on Thursday (link will display the full calendar) of the Julian calendar. Events By place Asia * Bagrat II Bagratuni, Armenian prince and leader of a rebellion against the Abbasi ...
: The Arab merchant
Sulaiman al-Tajir Sulaiman is an English transliteration of the Arabic name that means "peaceful" and corresponds to the Jewish name Hebrew: שְׁלֹמֹה‎, Shlomoh) and the English Solomon (/ˈsɒləmən/) . Solomon was the scriptural figure who was king of wh ...
visits the Chinese
seaport A port is a maritime facility comprising one or more wharves or loading areas, where ships load and discharge cargo and passengers. Although usually situated on a sea coast or estuary, ports can also be found far inland, such as Ham ...
at
Guangzhou Guangzhou (, ; ; or ; ), also known as Canton () and alternatively romanized as Kwongchow or Kwangchow, is the capital and largest city of Guangdong province in southern China. Located on the Pearl River about north-northwest of Hong Kon ...
in southern China, and observes the manufacturing of
porcelain Porcelain () is a ceramic material made by heating substances, generally including materials such as kaolinite, in a kiln to temperatures between . The strength and translucence of porcelain, relative to other types of pottery, arises mainl ...
, the Islamic
mosque A mosque (; from ar, مَسْجِد, masjid, ; literally "place of ritual prostration"), also called masjid, is a place of prayer for Muslims. Mosques are usually covered buildings, but can be any place where prayers ( sujud) are performed, ...
built at Guangzhou, the granary system of the city, and how its
municipal A municipality is usually a single administrative division having corporate status and powers of self-government or jurisdiction as granted by national and regional laws to which it is subordinate. The term ''municipality'' may also mean the go ...
administration functioned. *
856 __NOTOC__ Year 856 (Roman numerals, DCCCLVI) was a leap year starting on Wednesday (link will display the full calendar) of the Julian calendar. Events By place Byzantine Empire * March 15 – Emperor Michael III overthrows the reg ...
: Prambanan is completed. Miksic (1997) According to the Shivagrha inscription, Rakai Pikatan — the husband of
Pramodhawardhani Pramodhawardhani (also known as Çrī Kahulunnan or Çrī Sanjiwana) was the queen consort of king Rakai Pikatan (r. 838-850) of Medang Kingdom in 9th century Central Java. She was the daughter of Sailendran king Samaratungga (r. 812—833). Her ...
 — defeated
Balaputra Balaputradewa was the maharaja of Srivijaya in the 9th century CE as well as the former head of the Sailendra dynasty. He was the youngest son of the preceding Sailendran maharaja, Samaratunga, through marriage with Dewi Tara who was in turn the d ...
. *
859 __FORCETOC__ Year 859 (Roman numerals, DCCCLIX) was a common year starting on Sunday (link will display the full calendar) of the Julian calendar. Events By place Europe * January 15 – Battle of St. Quentin: Frankish forces, le ...
: Muslims establish the
University of Al Karaouine The University of al-Qarawiyyin ( ar, جامعة القرويين; ber, ⵜⴰⵙⴷⴰⵡⵉⵜ ⵏ ⵍⵇⴰⵕⴰⵡⵉⵢⵉⵏ; french: Université Al Quaraouiyine), also written Al-Karaouine or Al Quaraouiyine, is a university located in ...
as a
madrasa Madrasa (, also , ; Arabic: مدرسة , pl. , ) is the Arabic word for any type of educational institution, secular or religious (of any religion), whether for elementary instruction or higher learning. The word is variously transliterated '' ...
in
Fez, Morocco Fez or Fes (; ar, فاس, fās; zgh, ⴼⵉⵣⴰⵣ, fizaz; french: Fès) is a city in northern inland Morocco and the capital of the Fès-Meknès, Fès-Meknès administrative region. It is the List of cities in Morocco, second largest city i ...
. *
860 __NOTOC__ Year 860 ( DCCCLX) was a leap year starting on Monday (link will display the full calendar) of the Julian calendar. Events By place Byzantine Empire * June 18 – Byzantine–Rus' War: A fleet of about 200 Rus' vessel ...
:
Balaputra Balaputradewa was the maharaja of Srivijaya in the 9th century CE as well as the former head of the Sailendra dynasty. He was the youngest son of the preceding Sailendran maharaja, Samaratunga, through marriage with Dewi Tara who was in turn the d ...
, the maharaja of
Suvarnadvipa ( sa, सुवर्णभूमि; Pali: '); my, သုဝဏ္ဏဘူမိ, ; km, សុវណ្ណភូមិ, ''Sovannaphoum''; and th, สุวรรณภูมิ, . is a toponym, that appears in many ancient Indian literary s ...
and the ruler of Srivijaya, constructs the Buddhist temple and monastery in
Nalanda Nalanda (, ) was a renowned ''mahavihara'' (Buddhist monastic university) in ancient Magadha (modern-day Bihar), India.India India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country, and the most populous democracy in the world. Bounded by the Indian Ocean on the so ...
, on the land given by King Devapaladeva. of Pala in Benggala, according to the
Nalanda inscription The Nalanda Copper-plate of Devapaladeva is an ancient Buddhist inscription located in Nalanda, within the present day Bihar state of Northeastern India. It has been dated to 860 CE. The inscription talks about king Devapaladeva of Bengala (Pal ...
. *
861 __NOTOC__ Year 861 ( DCCCLXI) was a common year starting on Wednesday (link will display the full calendar) of the Julian calendar. Events By place Europe * March – Robert the Strong is appointed margrave of Neustria by King Ch ...
: Assassination of
Abbasid The Abbasid Caliphate ( or ; ar, الْخِلَافَةُ الْعَبَّاسِيَّة, ') was the third caliphate to succeed the Islamic prophet Muhammad. It was founded by a dynasty descended from Muhammad's uncle, Abbas ibn Abdul-Muttalib ...
caliph
al-Mutawakkil Abū al-Faḍl Jaʿfar ibn Muḥammad al-Muʿtaṣim bi-ʾllāh ( ar, جعفر بن محمد المعتصم بالله; March 822 – 11 December 861), better known by his regnal name Al-Mutawakkil ʿalā Allāh (, "He who relies on God") was t ...
(r. 847–861) and decline of the
Abbasid Caliphate The Abbasid Caliphate ( or ; ar, الْخِلَافَةُ الْعَبَّاسِيَّة, ') was the third caliphate to succeed the Islamic prophet Muhammad. It was founded by a dynasty descended from Muhammad's uncle, Abbas ibn Abdul-Muttalib ...
. *
862 __NOTOC__ Year 862 ( DCCCLXII) was a common year starting on Thursday (link will display the full calendar) of the Julian calendar. Events By place Europe * The Varangians (called Rus'), under the leadership of Rurik, a Viking chie ...
: The beginning of the
Rurik Dynasty The Rurik dynasty ( be, Ру́рыкавічы, Rúrykavichy; russian: Рю́риковичи, Ryúrikovichi, ; uk, Рю́риковичі, Riúrykovychi, ; literally "sons/scions of Rurik"), also known as the Rurikid dynasty or Rurikids, was ...
in Rus'. *
863 __NOTOC__ Year 863 ( DCCCLXIII) was a common year starting on Friday (link will display the full calendar) of the Julian calendar. Events By place Byzantine Empire * September 3 – Battle of Lalakaon: A Byzantine army confronts ...
: The Chinese author
Duan Chengshi Duan Chengshi () (died 863) was a Chinese poet and writer of the Tang Dynasty. He was born to a wealthy family in present-day Zibo, Shandong. A descendant of the early Tang official Duan Zhixuan (, ''Duàn Zhìxuán'') (-642), and the son of Duan ...
describes the
slave trade Slavery and enslavement are both the state and the condition of being a slave—someone forbidden to quit one's service for an enslaver, and who is treated by the enslaver as property. Slavery typically involves slaves being made to perf ...
,
ivory trade The ivory trade is the commercial, often illegal trade in the ivory tusks of the hippopotamus, walrus, narwhal, mammoth, and most commonly, African and Asian elephants. Ivory has been traded for hundreds of years by people in Africa and Asia, ...
, and ambergris trade of
Somalia Somalia, , Osmanya script: 𐒈𐒝𐒑𐒛𐒐𐒘𐒕𐒖; ar, الصومال, aṣ-Ṣūmāl officially the Federal Republic of SomaliaThe ''Federal Republic of Somalia'' is the country's name per Article 1 of thProvisional Constituti ...
in
East Africa East Africa, Eastern Africa, or East of Africa, is the eastern subregion of the African continent. In the United Nations Statistics Division scheme of geographic regions, 10-11-(16*) territories make up Eastern Africa: Due to the historical ...
. *
862 __NOTOC__ Year 862 ( DCCCLXII) was a common year starting on Thursday (link will display the full calendar) of the Julian calendar. Events By place Europe * The Varangians (called Rus'), under the leadership of Rurik, a Viking chie ...
: The
Bagratuni Dynasty The Bagratuni or Bagratid dynasty ( hy, Բագրատունի, ) was an Armenian royal dynasty which ruled the medieval Kingdom of Armenia from c. 885 until 1045. Originating as vassals of the Kingdom of Armenia of antiquity, they rose to beco ...
of Medieval Armenia begins with Ashot I. *
863 __NOTOC__ Year 863 ( DCCCLXIII) was a common year starting on Friday (link will display the full calendar) of the Julian calendar. Events By place Byzantine Empire * September 3 – Battle of Lalakaon: A Byzantine army confronts ...
879 __NOTOC__ Year 879 (Roman numerals, DCCCLXXIX) was a common year starting on Thursday (link will display the full calendar) of the Julian calendar. Events By place Europe * April 10 – King Louis the Stammerer dies at Compiègne, ...
: Period of schism between Eastern and Western churches. *
864 __NOTOC__ Year 864 ( DCCCLXIV) was a leap year starting on Saturday (link will display the full calendar) of the Julian calendar. Events By place Europe * Spring – Emperor Louis II (the Younger) marches with a Frankish army ag ...
: Christianization of Bulgaria under
Boris I Boris I, also known as Boris-Mihail (Michael) and ''Bogoris'' ( cu, Борисъ А҃ / Борисъ-Михаилъ bg, Борис I / Борис-Михаил; died 2 May 907), was the ruler of the First Bulgarian Empire in 852–889. At ...
*
867 __NOTOC__ Year 867 (Roman numerals, DCCCLXVII) was a common year starting on Wednesday (link will display the full calendar) of the Julian calendar. Events By place Byzantine Empire * September 23 – Emperor Michael III is murde ...
: Onward revival of the
Byzantine Empire The Byzantine Empire, also referred to as the Eastern Roman Empire or Byzantium, was the continuation of the Roman Empire primarily in its eastern provinces during Late Antiquity and the Middle Ages, when its capital city was Constantinopl ...
under the Macedonian dynasty. *
868 __NOTOC__ Year 868 ( DCCCLXVIII) was a leap year starting on Thursday (link will display the full calendar) of the Julian calendar The Julian calendar, proposed by Roman consul Julius Caesar in 46 BC, was a reform of the Roman cale ...
:
Ahmad ibn Tulun Ahmad ibn Tulun ( ar, أحمد بن طولون, translit=Aḥmad ibn Ṭūlūn; c. 20 September 835 – 10 May 884) was the founder of the Tulunid dynasty that ruled Egypt and Syria between 868 and 905. Originally a Turkic slave-soldier, in 868 ...
breaks away from the
Abbasid Caliphate The Abbasid Caliphate ( or ; ar, الْخِلَافَةُ الْعَبَّاسِيَّة, ') was the third caliphate to succeed the Islamic prophet Muhammad. It was founded by a dynasty descended from Muhammad's uncle, Abbas ibn Abdul-Muttalib ...
and establishes the independent Tulunid dynasty. *
869 __NOTOC__ Year 869 ( DCCCLXIX) was a common year starting on Saturday (link will display the full calendar) of the Julian calendar. Events By place Byzantine Empire * Summer – Emperor Basil I allies with the Frankish emperor L ...
: An earthquake and tsunami struck
Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...
's Sanriku coast, killing 1,000 people. *
870 __NOTOC__ Year 870 ( DCCCLXX) was a common year starting on Sunday (link will display the full calendar) of the Julian calendar. Events By place Europe * August 8 – Treaty of Meerssen: King Louis the German forces his half-brothe ...
: Christianization of the Serbs. *
870 __NOTOC__ Year 870 ( DCCCLXX) was a common year starting on Sunday (link will display the full calendar) of the Julian calendar. Events By place Europe * August 8 – Treaty of Meerssen: King Louis the German forces his half-brothe ...
: Prague Castle founded. *
871 __NOTOC__ Year 871 ( DCCCLXXI) was a common year starting on Monday (link will display the full calendar) of the Julian calendar. Events By place Europe * The English retreat onto the Berkshire Downs. The Great Heathen Army, led by the ...
899 __NOTOC__ Year 899 ( DCCCXCIX) was a common year starting on Monday (link will display the full calendar) of the Julian calendar. Events By place Europe * Summer – King Arnulf of Carinthia enlists the support of the Magyars, to ...
: Reign of
Alfred the Great Alfred the Great (alt. Ælfred 848/849 – 26 October 899) was King of the West Saxons from 871 to 886, and King of the Anglo-Saxons from 886 until his death in 899. He was the youngest son of King Æthelwulf and his first wife Osburh, who bot ...
, the first king of the English. *
872 Year 872 ( DCCCLXXII) was a leap year starting on Tuesday (link will display the full calendar) of the Julian calendar. Events By place Europe * Sancho III Mitarra (or ''Menditarra'') becomes the founder and first 'king' of the indepen ...
:
Iceland Iceland ( is, Ísland; ) is a Nordic island country in the North Atlantic Ocean and in the Arctic Ocean. Iceland is the most sparsely populated country in Europe. Iceland's capital and largest city is Reykjavík, which (along with its s ...
settled by Ingolfur Arnarson from
Norway Norway, officially the Kingdom of Norway, is a Nordic country in Northern Europe, the mainland territory of which comprises the western and northernmost portion of the Scandinavian Peninsula. The remote Arctic island of Jan Mayen and t ...
. * 875
884 __NOTOC__ Year 884 ( DCCCLXXXIV) was a leap year starting on Wednesday (link will display the full calendar) of the Julian calendar. Events By place Europe * March 1 – Diego Rodríguez Porcelos, count of Castile, founds and repo ...
:
Huang Chao Huang Chao (835 – July 13, 884) was a Chinese smuggler, soldier, and rebel, and is most well known for being the leader of a major rebellion that severely weakened the Tang dynasty. Huang was a Salt in Chinese history, salt smuggler before ...
leads an unsuccessful rebellion against the
Tang Dynasty The Tang dynasty (, ; zh, t= ), or Tang Empire, was an Dynasties in Chinese history, imperial dynasty of China that ruled from 618 to 907 AD, with an Zhou dynasty (690–705), interregnum between 690 and 705. It was preceded by the Sui dyn ...
in China. *
878 __NOTOC__ Year 878 (Roman numerals, DCCCLXXVIII) was a common year starting on Wednesday (link will display the full calendar) of the Julian calendar. Events By place Britain * January 6 – King Alfred the Great is surprised by a ...
:
Battle of Ethandun At the Battle of Edington, an army of the kingdom of Wessex under Alfred the Great defeated the Great Heathen Army led by the Dane Guthrum on a date between 6 and 12 May 878, resulting in the Treaty of Wedmore later the same year. Primary s ...
results in the victory of
Alfred the Great Alfred the Great (alt. Ælfred 848/849 – 26 October 899) was King of the West Saxons from 871 to 886, and King of the Anglo-Saxons from 886 until his death in 899. He was the youngest son of King Æthelwulf and his first wife Osburh, who bot ...
over the Danish warlord Guthrum. *
885 Year 885 (Roman numerals, DCCCLXXXV) was a common year starting on Friday (link will display the full calendar) of the Julian calendar. Events By place Europe * Summer – Emperor Charles the Fat summons a meeting of officials at ...
: Arrival of the disciples of Saints Cyril and Methodius, Clement of Ohrid and
Naum of Preslav Saint Naum (Bulgarian and Macedonian: Свети Наум, ''Sveti Naum''), also known as Naum of Ohrid or Naum of Preslav (c. 830 – December 23, 910) was a medieval Bulgarian writer, enlightener, one of the Seven Apostles of the First Bul ...
in Bulgaria. Development of the Cyrillic Alphabet. *
885 Year 885 (Roman numerals, DCCCLXXXV) was a common year starting on Friday (link will display the full calendar) of the Julian calendar. Events By place Europe * Summer – Emperor Charles the Fat summons a meeting of officials at ...
: Abbo Cernuus becomes witness to the Siege of Paris by Vikings. *
888 888 or triple eight may refer to: * 888 (number), an integer * 888 BC, a year of the 9th century BC * AD 888, a year of the Julian calendar * 888casino, an online casino * 888chan, an image board * 888 Holdings, an online gambling company, trading ...
: The
Carolingian Empire The Carolingian Empire (800–888) was a large Frankish-dominated empire in western and central Europe during the Early Middle Ages. It was ruled by the Carolingian dynasty, which had ruled as kings of the Franks since 751 and as kings of the Lom ...
declines and falls after the death of Charles the Fat. *
893 __FORCETOC__ Year 893 ( DCCCXCIII) was a common year starting on Monday (link will display the full calendar) of the Julian calendar. Events By place Europe * Vladimir, ruler (''khan'') of the Bulgarian Empire, is dethroned by his fat ...
: Council of Preslav -
Vladimir-Rasate Vladimir-Rasate (, ) was the ruler of the First Bulgarian Empire from 889 to 893. Biography In 853 or 854, the Bulgar Army led by Vladimir, the son of Boris I of Bulgaria, invaded Serbia in an attempt to exact vengeance for the previous defeat o ...
is dethroned and succeeded as Prince of Bulgaria by Simeon I; the capital is moved from Pliska to
Preslav The modern Veliki Preslav or Great Preslav ( bg, Велики Преслав, ), former Preslav ( bg, link=no, Преслав; until 1993), is a city and the seat of government of the Veliki Preslav Municipality (Great Preslav Municipality, new B ...
; the Byzantine clergy is expelled and replaced by Bulgarian; Old Bulgarian becomes the official language of the country. *
895 ' __NOTOC__ Year 895 (Roman numerals, DCCCXCV) was a common year starting on Wednesday (link will display the full calendar) of the Julian calendar. Events By place Europe * The Hungarians, Magyars are expelled from southern Russia, and ...
/ 896: The year of the
Magyars Hungarians, also known as Magyars ( ; hu, magyarok ), are a nation and ethnic group native to Hungary () and historical Hungarian lands who share a common culture, history, ancestry, and language. The Hungarian language belongs to the Uralic ...
arrival in
Pannonia Pannonia (, ) was a province of the Roman Empire bounded on the north and east by the Danube, coterminous westward with Noricum and upper Italy, and southward with Dalmatia and upper Moesia. Pannonia was located in the territory that is now wes ...
. This year is widely accepted as the beginning of the Hungarian "Landtaking". *
899 __NOTOC__ Year 899 ( DCCCXCIX) was a common year starting on Monday (link will display the full calendar) of the Julian calendar. Events By place Europe * Summer – King Arnulf of Carinthia enlists the support of the Magyars, to ...
: King Alfred the Great of Wessex, First King of The English, dies. * 900: The oldest text discovered in the
Philippines The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no), * bik, Republika kan Filipinas * ceb, Republika sa Pilipinas * cbk, República de Filipinas * hil, Republ ...
—an acquittance document in Old Javanese—is inscribed on a copperplate in
Luzon Luzon (; ) is the largest and most populous island in the Philippines. Located in the northern portion of the Philippines archipelago, it is the economic and political center of the nation, being home to the country's capital city, Manila, as ...
. The acquittance took place on 21 April 900Julian equivalent of the indicated Hindu calendar date: the 4th day, a Monday, of the darkening half of the month Vaisakha in Shaka year 822 and involved several aristocrats and high-ranking officials from kingdoms within the islands of Luzon, Mindanao, and Java. The document is currently called the Laguna copperplate inscription. * Late 9th century:
Bulgaria Bulgaria (; bg, България, Bǎlgariya), officially the Republic of Bulgaria,, ) is a country in Southeast Europe. It is situated on the eastern flank of the Balkans, and is bordered by Romania to the north, Serbia and North Macedon ...
stretches from the mouth of the
Danube The Danube ( ; ) is a river that was once a long-standing frontier of the Roman Empire and today connects 10 European countries, running through their territories or being a border. Originating in Germany, the Danube flows southeast for , pa ...
to Epirus and
Bosnia Bosnia and Herzegovina ( sh, / , ), abbreviated BiH () or B&H, sometimes called Bosnia–Herzegovina and often known informally as Bosnia, is a country at the crossroads of south and southeast Europe, located in the Balkans. Bosnia and He ...
. * Late 9th century:
Pallava dynasty The Pallava dynasty existed from 275 CE to 897 CE, ruling a significant portion of the Deccan, also known as Tondaimandalam. The dynasty rose to prominence after the downfall of the Satavahana dynasty, with whom they had formerly served as fe ...
ends in
Southern India South India, also known as Dakshina Bharata or Peninsular India, consists of the peninsular southern part of India. It encompasses the States and union territories of India, Indian states of Andhra Pradesh, Karnataka, Kerala, Tamil Nadu, and T ...
. * Late 9th century: Womb World mandala, To-ji,
Kyoto Kyoto (; Japanese: , ''Kyōto'' ), officially , is the capital city of Kyoto Prefecture in Japan. Located in the Kansai region on the island of Honshu, Kyoto forms a part of the Keihanshin metropolitan area along with Osaka and Kobe. , the ci ...
, is made.
Heian period The is the last division of classical Japanese history, running from 794 to 1185. It followed the Nara period, beginning when the 50th emperor, Emperor Kanmu, moved the capital of Japan to Heian-kyō (modern Kyoto). means "peace" in Japanese. ...
.


Unknown date

* Reign of
Charlemagne Charlemagne ( , ) or Charles the Great ( la, Carolus Magnus; german: Karl der Große; 2 April 747 – 28 January 814), a member of the Carolingian dynasty, was King of the Franks from 768, King of the Lombards from 774, and the first Holy ...
, and concurrent (and controversially labeled)
Carolingian Renaissance The Carolingian Renaissance was the first of three medieval renaissances, a period of cultural activity in the Carolingian Empire. It occurred from the late 8th century to the 9th century, taking inspiration from the State church of the Roman Emp ...
in Western Europe. * An unknown event causes the decline of the
Maya Classical Era Mesoamerican chronology divides the history of prehispanic Mesoamerica into several periods: the Paleo-Indian (first human habitation until 3500 BCE); the Archaic (before 2600 BCE), the Preclassic or Formative (2500 BCE –  ...
. *
Beowulf ''Beowulf'' (; ang, Bēowulf ) is an Old English epic poem in the tradition of Germanic heroic legend consisting of 3,182 alliterative lines. It is one of the most important and most often translated works of Old English literature. The ...
might have been written down in this century; alternatively, it could also have been in the 8th century. * Large-scale
Viking Vikings ; non, víkingr is the modern name given to seafaring people originally from Scandinavia (present-day Denmark, Norway and Sweden), who from the late 8th to the late 11th centuries raided, pirated, traded and se ...
attacks on Europe begin, devastating countless numbers of people. * Oseberg
ship burial A ship burial or boat grave is a burial in which a ship or boat is used either as the tomb for the dead and the grave goods, or as a part of the grave goods itself. If the ship is very small, it is called a boat grave. This style of burial was pr ...
. * The
Magyars Hungarians, also known as Magyars ( ; hu, magyarok ), are a nation and ethnic group native to Hungary () and historical Hungarian lands who share a common culture, history, ancestry, and language. The Hungarian language belongs to the Uralic ...
begin their conquest of
Pannonia Pannonia (, ) was a province of the Roman Empire bounded on the north and east by the Danube, coterminous westward with Noricum and upper Italy, and southward with Dalmatia and upper Moesia. Pannonia was located in the territory that is now wes ...
(roughly modern-day
Hungary Hungary ( hu, Magyarország ) is a landlocked country in Central Europe. Spanning of the 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 a ...
), a process that will take several decades to be completed. * The
Tukolor __NOTOC__ The Tukulor people ( ar, توكولور), also called Toucouleur or Haalpulaar, are a West African ethnic group native to Futa Tooro region of Senegal. There are smaller communities in Mali and Mauritania. The Toucouleur were Islamized ...
settle in the
Senegal Senegal,; Wolof: ''Senegaal''; Pulaar: 𞤅𞤫𞤲𞤫𞤺𞤢𞥄𞤤𞤭 (Senegaali); Arabic: السنغال ''As-Sinighal'') officially the Republic of Senegal,; Wolof: ''Réewum Senegaal''; Pulaar : 𞤈𞤫𞤲𞤣𞤢𞥄𞤲𞤣𞤭 ...
river valley. *
Muslim Muslims ( ar, المسلمون, , ) are people who adhere to Islam, a monotheistic religion belonging to the Abrahamic tradition. They consider the Quran, the foundational religious text of Islam, to be the verbatim word of the God of Abrah ...
traders settle in the northwest and southeast of
Madagascar Madagascar (; mg, Madagasikara, ), officially the Republic of Madagascar ( mg, Repoblikan'i Madagasikara, links=no, ; french: République de Madagascar), is an island country in the Indian Ocean, approximately off the coast of East Africa ...
. * In
Italy Italy ( it, Italia ), officially the Italian Republic, ) or the Republic of Italy, is a country in Southern Europe. It is located in the middle of the Mediterranean Sea, and its territory largely coincides with the homonymous geographical re ...
, some cities became free republics: for instance Forlì, in 889. * The Christian Nubian kingdom reaches its peak of prosperity and military power. (Early history of Sudan). * Harald I of Norway, Harald Fairhair was victorious at the Battle of Hafrsfjord, and
Norway Norway, officially the Kingdom of Norway, is a Nordic country in Northern Europe, the mainland territory of which comprises the western and northernmost portion of the Scandinavian Peninsula. The remote Arctic island of Jan Mayen and t ...
was unified into one kingdom. * The Medieval Warm Period begins. * The Coptic period, at its most broad definition, ends. * Page from Koran (Surah II:286 and title Surah III) in kufic script, from Syria, is made. Now kept at The Metropolitan Museum of Art, New York City, New York.


Inventions, discoveries, introductions

* Algebra by Al-Khwarizmi *Quadratic equations: Indian mathematician Sridhara, Śrīdharācārya derived the quadratic formula used for solving quadratic equations. * First image of a rotary grindstone in a European source—illustration shows crank, first known use of a crank in the West (Utrecht Psalter, 843) * First known printed book, the ''Diamond Sutra'', printed in China using woodblock printing in 868. * Invention of gunpowder by Chinese Taoist Alchemy, Alchemists. * Chess reaches
Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...
. * Vulgar Latin begins to develop into various Romance languages. * Two syllabaries or kana are developed from simplified Chinese characters in
Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...
. * The Tibetan script, Tibetan Script had its third and last orthographical reform.


See also

* Timeline of 9th-century Muslim history


References


Bibliography

* * {{DEFAULTSORT:9th Century 9th century, 1st millennium Centuries, 09th century