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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-H ...
( DCCCI) through
900 __NOTOC__ Year 900 ( CM) was a leap year starting on Tuesday (link will display the full calendar) of the Julian calendar. Events By place Abbasid Caliphate * Spring – Forces under the Transoxianian emir Isma'il ibn Ahmad are ...
( 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 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 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. I ...
, 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 ...
was founded by the Muslim polymath
al-Khwarizmi Muḥammad ibn Mūsā al-Khwārizmī ( ar, محمد بن موسى الخوارزمي, Muḥammad ibn Musā al-Khwārazmi; ), or al-Khwarizmi, was a Persian polymath from Khwarazm, who produced vastly influential works in mathematics, astronom ...
. The most famous Islamic Scholar
Ahmad ibn Hanbal Ahmad ibn Hanbal al-Dhuhli ( ar, أَحْمَد بْن حَنْبَل الذهلي, translit=Aḥmad ibn Ḥanbal al-Dhuhlī; November 780 – 2 August 855 CE/164–241 AH), was a Muslim jurist, theologian, ascetic, hadith traditionist, and ...
was tortured and
imprisoned Imprisonment is the restraint of a person's liberty, for any cause whatsoever, whether by authority of the government, or by a person acting without such authority. In the latter case it is "false imprisonment". Imprisonment does not necessari ...
by Abbasid official
Ahmad ibn Abi Du'ad Abu 'Abdallah Ahmad ibn Abi Du'ad al-Iyadi ( ar, أبو عبد الله أحمد بن أبي دؤاد الإيادي, ʾAbū ʿAbd Allāh ʾAḥmad ibn ʾAbī Duʾād al-ʾIyādī) (776/7–June 854) was an Islamic religious judge (''qadi'') of th ...
during the reign of Abbasid caliph
al-Mu'tasim Abū Isḥāq Muḥammad ibn Hārūn al-Rashīd ( ar, أبو إسحاق محمد بن هارون الرشيد; October 796 – 5 January 842), better known by his regnal name al-Muʿtaṣim biʾllāh (, ), was the eighth Abbasid caliph, ruling ...
and caliph
al-Wathiq Abū Jaʿfar Hārūn ibn Muḥammad ( ar, أبو جعفر هارون بن محمد المعتصم; 17 April 812 – 10 August 847), better known by his regnal name al-Wāthiq bi’llāh (, ), was an Abbasid caliph who reigned from 842 until 84 ...
. In Southeast Asia, the height of the
Mataram Kingdom The Mataram Kingdom (, jv, ꦩꦠꦫꦩ꧀, ) was a Javanese Hindu–Buddhist kingdom that flourished between the 8th and 11th centuries. It was based in Central Java, and later in East Java. Established by King Sanjaya, the kingdom was rule ...
happened in this century, while Burma would see the establishment of the major kingdom of Pagan.
Tang China The Tang dynasty (, ; zh, t= ), or Tang Empire, was an imperial dynasty of China that ruled from 618 to 907 AD, with an interregnum between 690 and 705. It was preceded by the Sui dynasty and followed by the Five Dynasties and Ten Kingdom ...
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 Shunzon ...
and ended the century with the Huang Chao rebellions. While the
Maya Maya may refer to: Civilizations * Maya peoples, of southern Mexico and northern Central America ** Maya civilization, the historical civilization of the Maya peoples ** Maya language, the languages of the Maya peoples * Maya (Ethiopia), a popul ...
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 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, cultu ...
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 creatures. 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. 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 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 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. Mal ...
. 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 Britain most often refers to: * The United Kingdom, a sovereign state in Europe comprising the island of Great Britain, the north-eastern part of the island of Ireland and many smaller islands * Great Britain, the largest island in the United King ...
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 Germ ...
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 The Great Heathen Army,; da, Store Hedenske Hær also known as the Viking Great Army,Hadley. "The Winter Camp of the Viking Great Army, AD 872–3, Torksey, Lincolnshire", ''Antiquaries Journal''. 96, pp. 23–67 was a coalition of Scandin ...
, which was supposedly led by
Ivar the Boneless Ivar the Boneless ( non, Ívarr hinn Beinlausi ; died c. 873), also known as Ivar Ragnarsson, was a Viking leader who invaded England and Ireland. According to the ''Tale of Ragnar Lodbrok'', he was the son of Ragnar Loðbrok and his wife Asl ...
,
Halfdan Ragnarsson Halfdan Ragnarsson ( non, Hálfdan; oe, Halfdene or ''Healfdene''; sga, Albann; died 877) was a Viking leader and a commander of the Great Heathen Army which invaded the Anglo-Saxon kingdoms of England, starting in 865. One of six sons of R ...
, and
Guthrum Guthrum ( ang, Guðrum, c. 835 – c. 890) was King of East Anglia in the late 9th century. Originally a native of what is now Denmark, he was one of the leaders of the "Great Summer Army" that arrived in Reading during April 871 to join forces ...
. 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. C ...
in East Anglia. 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 Scandinavian York ( non, Jórvík) Viking Yorkshire or Norwegian York is a term used by historians for the south of Northumbria (modern-day Yorkshire) during the period of the late 9th century and first half of the 10th century, when it was do ...
) and establish the kingdom of
Jorvik Scandinavian York ( non, Jórvík) Viking Yorkshire or Norwegian York is a term used by historians for the south of Northumbria (modern-day Yorkshire) during the period of the late 9th century and first half of the 10th century, when it was do ...
. 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= , ...
. The remaining kingdom of
Wessex la, Regnum Occidentalium Saxonum , conventional_long_name = Kingdom of the West Saxons , common_name = Wessex , image_map = Southern British Isles 9th century.svg , map_caption = S ...
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 managed to maintain his kingdom of
Wessex la, Regnum Occidentalium Saxonum , conventional_long_name = Kingdom of the West Saxons , common_name = Wessex , image_map = Southern British Isles 9th century.svg , map_caption = S ...
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 ( 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 Viking attack ...
. Alfred re-established Anglo-Saxon 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= , ...
, and the
Danelaw The Danelaw (, also known as the Danelagh; ang, Dena lagu; da, Danelagen) was the part of England in which the laws of the Danes held sway and dominated those of the Anglo-Saxons. The Danelaw contrasts with the West Saxon law and the Mercian ...
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= , ...
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, epeiric sea on the European continental shelf, it connects to the Atlantic Ocean through the English Channel in the south and the ...
. 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 Ireland. On a bay at the mouth of the River Liffey, it is in the province of Leinster, bordered on the south by the Dublin Mountains, a part of the Wicklow Mountains range. At the 2016 c ...
in 841. 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 ...
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 Countries of the United Kingdom, country that is part of the United Kingdom. Covering the northern third of the island of Great Britain, mainland Scotland has a Anglo-Scottish border, border with England to the southeast ...
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 and Shetland. 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 e ...
, 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 Kenneth MacAlpin ( mga, Cináed mac Ailpin, label= Medieval Gaelic, gd, Coinneach mac Ailpein, label=Modern Scottish Gaelic; 810 – 13 February 858) or Kenneth I was King of Dál Riada (841–850), King of the Picts (843–858), and the K ...
, the king of
Dál Riata Dál Riata or Dál Riada (also Dalriada) () was a Gaelic kingdom that encompassed the western seaboard of Scotland and north-eastern Ireland, on each side of the North Channel. At its height in the 6th and 7th centuries, it covered what is n ...
at that time. The kingdom of
Dál Riata Dál Riata or Dál Riada (also Dalriada) () was a Gaelic kingdom that encompassed the western seaboard of Scotland and north-eastern Ireland, on each side of the North Channel. At its height in the 6th and 7th centuries, it covered what is n ...
was located on the western coast of Scotland, and Viking incursions destroyed it after the death of its previous king, Áed mac Boanta in 839, according to the Annals of Ulster. 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 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 state in 843. Historically, the Kingdom of Scotland is thought to have grown ...
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 state in 843. Historically, the Kingdom of Scotland is thought to have grown ...
.


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 south-eastern region of Asia, consisting of the regions that are situated south of mainlan ...
n kingdoms of Muja (then Pagan
Brunei Brunei ( , ), formally Brunei Darussalam ( ms, Negara Brunei Darussalam, 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 surrounded by t ...
/Vijayapura) and Mayd (
Ma-i Ma-i or Maidh (also spelled Ma'I, Mai, Ma-yi or Mayi; Baybayin: ; Hanunoo: ; Hokkien ; Mandarin ) was an ancient sovereign state located in what is now the Philippines. Its existence was first documented in 971 in the Song dynasty documents ...
) 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 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 Thailan ...
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 The Leshan Giant Buddha () is a tall stone statue, built between 713 and 803 (during the Tang dynasty). It is carved out of a cliff face of Cretaceous red bed sandstones that lies at the confluence of the Min River and Dadu River in the south ...
in
Tang Dynasty The Tang dynasty (, ; zh, t= ), or Tang Empire, was an imperial dynasty of China that ruled from 618 to 907 AD, with an interregnum between 690 and 705. It was preceded by the Sui dynasty and followed by the Five Dynasties and Ten Kingdom ...
China 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 t ...
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 gove ...
:
Tang Dynasty The Tang dynasty (, ; zh, t= ), or Tang Empire, was an imperial dynasty of China that ruled from 618 to 907 AD, with an interregnum between 690 and 705. It was preceded by the Sui dynasty and followed by the Five Dynasties and Ten Kingdom ...
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 Shunzo ...
. *
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 Macedo ...
. *
811 __NOTOC__ Year 811 ( 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 War: Emperor Nikephoros I organises a new ca ...
: Battle of Pliska fought between a Byzantine force led by emperor
Nicephorus I Nikephoros I or Nicephorus I ( gr, Νικηφόρος; 750 – 26 July 811) was Byzantine emperor from 802 to 811. Having served Empress Irene as '' genikos logothetēs'', he subsequently ousted her from power and took the throne himself. In r ...
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 territory ...
. Byzantines are defeated in a series of engagements, culminating with the death of
Nicephorus I Nikephoros I or Nicephorus I ( gr, Νικηφόρος; 750 – 26 July 811) was Byzantine emperor from 802 to 811. Having served Empress Irene as '' genikos logothetēs'', he subsequently ousted her from power and took the throne himself. In r ...
. *
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) ...
: 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) ...
: 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) ...
– c. 915: 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 ...
dies in the city of Aachen. *
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 gove ...
:
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:
Han Yu Han Yu (; 76825 December 824), courtesy name Tuizhi (), and commonly known by his posthumous name Han Wengong (韓文公), was a Chinese essayist, poet, philosopher, and politician during the Tang dynasty who significantly influenced the devel ...
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: 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 Borobudur, also transcribed Barabudur ( id, Candi Borobudur, jv, ꦕꦤ꧀ꦝꦶꦧꦫꦧꦸꦝꦸꦂ, Candhi Barabudhur) is a 9th-century Mahayana Buddhist temple in Magelang Regency, not far from the town of Muntilan, in Central Java, Indone ...
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 ...
902:
Aghlabid The Aghlabids ( ar, الأغالبة) were an Arab dynasty of emirs from the Najdi tribe of Banu Tamim, who ruled Ifriqiya and parts of Southern Italy, Sicily, and possibly Sardinia, nominally on behalf of the Abbasid Caliph, for about a ...
s 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, 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. I ...
by al-Ma'mun,
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 ...
, is also written there by
Al-Khwarizmi Muḥammad ibn Mūsā al-Khwārizmī ( ar, محمد بن موسى الخوارزمي, Muḥammad ibn Musā al-Khwārazmi; ), or al-Khwarizmi, was a Persian polymath from Khwarazm, who produced vastly influential works in mathematics, astronom ...
. *
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 The Sweet Dew incident () was a failed coup on December 14, 835Academia Sinicabr>Chinese-Western Calendar Converter.''Zizhi Tongjian'', vol. 245. by Emperor Wenzong of the Chinese Tang dynasty to seize power from the eunuchs. The emperor pla ...
occurs. Emperor Wenzong of the
Tang Dynasty The Tang dynasty (, ; zh, t= ), or Tang Empire, was an imperial dynasty of China that ruled from 618 to 907 AD, with an interregnum between 690 and 705. It was preceded by the Sui dynasty and followed by the Five Dynasties and Ten Kingdom ...
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 millenni ...
s of the Tang court, but the plot is foiled. *
839 __NOTOC__ Year 839 ( DCCCXXXIX) was a common year starting on Wednesday (link will display the full calendar) of the Julian calendar. Events By place Europe * Prince Sicard of Benevento is assassinated by a conspiracy among the nobil ...
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 __NOTOC__ Year 840 ( DCCCXL) was a leap year starting on Thursday in the Julian calendar, the 840th year of the Common Era (CE) and Anno Domini (AD) designations, the 840th year of the 1st millennium, the 40th year of the 9th century, and the ...
: 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:
Dublin Dublin (; , or ) is the capital and largest city of Ireland. On a bay at the mouth of the River Liffey, it is in the province of Leinster, bordered on the south by the Dublin Mountains, a part of the Wicklow Mountains range. At the 2016 c ...
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 ...
. *
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 __NOTOC__ Year 843 ( DCCCXLIII) was a common year starting on Monday (link will display the full calendar) of the Julian calendar. Events By place Europe * August – Treaty of Verdun: The Frankish Empire is divided into three k ...
: 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 Frankish Empire into three kingdoms among the surviving sons of the emperor Louis I, the son and successor of Charlemagne. The treaty was concluded following almost three years of civil war and ...
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 ...
into three divisions; East Francia 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 ...
and
Middle Francia Middle Francia ( la, Francia media) was a short-lived Frankish kingdom which was created in 843 by the Treaty of Verdun after an intermittent civil war between the grandsons of Charlemagne resulted in division of the united empire. Middle Franc ...
to Lothair I. *
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:
Buddhism Buddhism ( , ), also known as Buddha Dharma and Dharmavinaya (), is an Indian religions, Indian religion or Indian philosophy#Buddhist philosophy, philosophical tradition based on Pre-sectarian Buddhism, teachings attributed to the Buddha. ...
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 ( 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, led by Humfrid, d ...
:
Emperor Xuānzong of Tang Emperor Xuanzong of Tang (July 27, 810 – September 7, 859) (reigned April 25, 846 – September 7, 859) was an emperor in the latter part of the Tang dynasty of China. Personally named Li Yi, later renamed Li Chen (), and known before his rei ...
reigned. He was considered the last capable emperor of the
Tang dynasty The Tang dynasty (, ; zh, t= ), or Tang Empire, was an imperial dynasty of China that ruled from 618 to 907 AD, with an interregnum between 690 and 705. It was preceded by the Sui dynasty and followed by the Five Dynasties and Ten Kingdom ...
. *
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 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. * 848852: The west bank of the
Tiber The Tiber ( ; it, Tevere ; la, Tiberis) is the third-longest List of rivers of Italy, 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 ...
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, commissioned by Pope Leo IV, 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 ( 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 dies in his palac ...
875 __NOTOC__ Year 875 ( DCCCLXXV) was a common year starting on Saturday (link will display the full calendar) of the Julian calendar. Events By place Europe * August 12 – Emperor Louis II dies in Brescia, after having named his c ...
: 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 H ...
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 main ...
, 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 A granary is a storehouse or room in a barn for threshed grain or animal feed. Ancient or primitive granaries are most often made of pottery. Granaries are often built above the ground to keep the stored food away from mice and other animals ...
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 ( 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 regency of his mo ...
:
Prambanan Prambanan ( id, Candi Prambanan, jv, ꦫꦫꦗꦺꦴꦁꦒꦿꦁ, Rara Jonggrang) is a 9th-century Hindu temple compound in Special Region of Yogyakarta, Indonesia, dedicated to the Trimūrti, the expression of God as the Creator (Brahma), the P ...
is completed. Miksic (1997) According to the
Shivagrha inscription The Shivagrha inscription is an inscription from the Mataram Kingdom of Central Java, dated in ''chandrasengkala'' (chronogram) ''”Wwalung Gunung sang wiku”'', that is, the year 856 CE (or 778 in the native Saka Calendar). The inscription was ...
,
Rakai Pikatan Rakai Pikatan was a king of the Sanjaya dynasty Mataram Kingdom in Central Java who built the Prambanan temple, dedicated to Shiva, which was completed in 856 AD. Rakai Pikatan was also called Mpu Manuku. The monarch of the Mataram Kingdom before ...
 — 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). He ...
 — 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 ...
. *
859 __FORCETOC__ Year 859 ( 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, led by Humfrid, d ...
: Muslims establish the University of Al Karaouine 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:
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 ...
, the maharaja of Suvarnadvipa and the ruler of Srivijaya, constructs the Buddhist temple and monastery in Nalanda
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 Pala Empire, B ...
. *
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 (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: The Chinese author Duan Chengshi 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, and
ambergris Ambergris ( or , la, ambra grisea, fro, ambre gris), ''ambergrease'', or grey amber is a solid, waxy, flammable substance of a dull grey or blackish colour produced in the digestive system of sperm whales. Freshly produced ambergris has a mari ...
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. *
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 Medieval Armenia refers to the history of Armenia during the Middle Ages. It follows Ancient Armenia and covers a period of approximately eight centuries, beginning with the Muslim conquest of Armenia in the 7th century. Key events during this p ...
begins with Ashot I. * 863
879 __NOTOC__ Year 879 ( 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, after a reign ...
: 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 The Christianization of Bulgaria was the process by which 9th-century medieval Bulgaria converted to Christianity. It reflected the need of unity within the religiously divided Bulgarian state as well as the need for equal acceptance on the in ...
under Boris I * 867: 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 The Macedonian dynasty (Greek: Μακεδονική Δυναστεία) ruled the Byzantine Empire from 867 to 1056, following the Amorian dynasty. During this period, the Byzantine state reached its greatest extent since the Muslim conquests, a ...
. *
868 __NOTOC__ Year 868 ( DCCCLXVIII) was a leap year starting on Thursday (link will display the full calendar) of the Julian calendar. Events By place Europe * King Charles the Bald meets his brother Louis the German at Metz. They agree ...
: Ahmad ibn Tulun 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 The Tulunids (), were a Mamluk dynasty of Turkic origin who were the first independent dynasty to rule Egypt, as well as much of Syria, since the Ptolemaic dynasty. They were independent from 868, when they broke away from the central authority ...
dynasty. * 869: An earthquake and tsunami struck Japan's
Sanriku coast The is a coastal region on the Pacific Ocean, extending from southern Aomori Prefecture, through Iwate Prefecture and northern Miyagi Prefecture in northeastern Honshū, which is Japan's main island. The name comes from the historical region of ...
, 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-broth ...
:
Christianization of the Serbs The Serbian Orthodox Church ( sr-Cyrl, Српска православна црква, Srpska pravoslavna crkva) is one of the autocephalous ( ecclesiastically independent) Eastern Orthodox Christian churches. The majority of the population i ...
. *
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-broth ...
:
Prague Castle Prague Castle ( cs, Pražský hrad; ) is a castle complex in Prague 1 Municipality within Prague, Czech Republic, built in the 9th century. It is the official office of the President of the Czech Republic. The castle was a seat of power for king ...
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, 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 indepe ...
:
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 the ...
. *
875 __NOTOC__ Year 875 ( DCCCLXXV) was a common year starting on Saturday (link will display the full calendar) of the Julian calendar. Events By place Europe * August 12 – Emperor Louis II dies in Brescia, after having named his c ...
884: Huang Chao leads an unsuccessful rebellion against the
Tang Dynasty The Tang dynasty (, ; zh, t= ), or Tang Empire, was an imperial dynasty of China that ruled from 618 to 907 AD, with an interregnum between 690 and 705. It was preceded by the Sui dynasty and followed by the Five Dynasties and Ten Kingdom ...
in China. *
878 __NOTOC__ Year 878 ( 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 Viking attack ...
:
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 over the Danish warlord
Guthrum Guthrum ( ang, Guðrum, c. 835 – c. 890) was King of East Anglia in the late 9th century. Originally a native of what is now Denmark, he was one of the leaders of the "Great Summer Army" that arrived in Reading during April 871 to join forces ...
. *
885 Year 885 ( 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 Lobith (moder ...
: Arrival of the disciples of
Saints Cyril and Methodius Cyril (born Constantine, 826–869) and Methodius (815–885) were two brothers and Byzantine Christian theologians and missionaries. For their work evangelizing the Slavs, they are known as the "Apostles to the Slavs". They are credited wi ...
,
Clement of Ohrid Saint Clement of Ohrid ( Bulgarian, Serbian and Macedonian: Свети Климент Охридски, ; el, Ἅγιος Κλήμης τῆς Ἀχρίδας; sk, svätý Kliment Ochridský; – 916) was one of the first medieval Bulgarian ...
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 Bu ...
in Bulgaria. Development of the
Cyrillic Alphabet , bg, кирилица , mk, кирилица , russian: кириллица , sr, ћирилица, uk, кирилиця , fam1 = Egyptian hieroglyphs , fam2 = Proto-Sinaitic , fam3 = Phoenician , fam4 = Gr ...
. *
885 Year 885 ( 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 Lobith (moder ...
:
Abbo Cernuus Abbo Cernuus ("the Crooked"), Abbo Parisiensis, or Abbo of Saint-Germain (c. 850c. 923) was a Neustrian Benedictine monk and poet of the Abbey of Saint-Germain-des-Prés in Paris. He was born about the middle of the ninth century. Abbo was present ...
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, tradin ...
: 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 ...
declines and falls after the death of
Charles the Fat Charles III (839 – 13 January 888), also known as Charles the Fat, was the emperor of the Carolingian Empire from 881 to 888. A member of the Carolingian dynasty, Charles was the youngest son of Louis the German and Hemma, and a great-grandso ...
. *
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 The People's Council of Preslav ( bg, Преславски народен събор) took place in 893. It was among the most important events in the history of the First Bulgarian Empire and was a cornerstone of the Christianization of Bulgaria u ...
-
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 ...
is dethroned and succeeded as Prince of Bulgaria by Simeon I; the capital is moved from
Pliska Pliska ( , cu, Пльсковъ, translit=Plĭskovŭ) was the first capital of the First Bulgarian Empire during the Middle Ages and is now a small town in Shumen Province, on the Ludogorie plateau of the Danubian Plain, 20 km northeast o ...
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 ...
; the Byzantine clergy is expelled and replaced by Bulgarian;
Old Bulgarian Old Church Slavonic or Old Slavonic () was the first Slavic literary language. Historians credit the 9th-century Byzantine missionaries Saints Cyril and Methodius with standardizing the language and using it in translating the Bible and othe ...
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 __NOTOC__ Year 896 ( DCCCXCVI) was a leap year starting on Thursday (link will display the full calendar) of the Julian calendar. Events By place Europe * February – King Arnulf of Carinthia invades Italy at the head of an East ...
: The year of the Magyars arrival in Pannonia. 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 __NOTOC__ Year 900 ( CM) was a leap year starting on Tuesday (link will display the full calendar) of the Julian calendar. Events By place Abbasid Caliphate * Spring – Forces under the Transoxianian emir Isma'il ibn Ahmad are ...
: 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 Old Javanese or Kawi is the oldest attested phase of the Javanese language. It was spoken in the eastern part of what is now Central Java and the whole of East Java, Indonesia. As a literary language, Kawi was used across Java and on the island ...
—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 Monday is the day of the week between Sunday and Tuesday. According to the International Organization for Standardization's ISO 8601 standard, it is the first day of the week and in countries that adopt the "Sunday-first" convention, it is t ...
, of the darkening half of the month
Vaisakha Vaisakha; hi, बैसाख, Baisākh; pa, ਵਿਸਾਖ/وساکھ , te, వైశాఖ, kn, ವೈಶಾಖ, Vaiśākha; ml, വൈശാഖം, Vaiśākham; mr, वैशाख, Vaiśākh; ta, வைகாசி, Vaikāci; ne, ...
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 The Laguna copperplate inscription ( tl, Inskripsyon sa binatbat na tanso ng Laguna, literal translation: ''Inscription on flattened copper of Laguna'') is an official acquittance inscribed onto a copper plate in the Shaka year 822 (Gregorian ...
. * 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 Macedo ...
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 , p ...
to
Epirus sq, Epiri rup, Epiru , native_name_lang = , settlement_type = Historical region , image_map = Epirus antiquus tabula.jpg , map_alt = , map_caption = Map of ancient Epirus by Heinri ...
and Bosnia. * 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 f ...
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 Indian states of Andhra Pradesh, Karnataka, Kerala, Tamil Nadu, and Telangana, as well as the union territ ...
. * Late 9th century: Womb World mandala, To-ji,
Kyoto Kyoto (; Japanese language, 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, Keihanshin metropolitan area along wi ...
, 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 ...
, and concurrent (and controversially labeled) Carolingian Renaissance in Western Europe. * An unknown event causes the
decline Decline may refer to: *Decadence, involves a perceived decay in standards, morals, dignity, religious faith, or skill over time * "Decline" (song), 2017 song by Raye and Mr Eazi * ''The Decline'' (EP), an EP by NOFX *The Decline (band), Australian ...
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 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 p ...
. * The Magyars begin their conquest of Pannonia (roughly modern-day
Hungary Hungary ( hu, Magyarország ) is a landlocked country in Central Europe. Spanning 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 ...
), a process that will take several decades to be completed. * The Tukolor 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 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 ...
, some cities became free republics: for instance
Forlì Forlì ( , ; rgn, Furlè ; la, Forum Livii) is a ''comune'' (municipality) and city in Emilia-Romagna, Northern Italy, and is the capital of the province of Forlì-Cesena. It is the central city of Romagna. The city is situated along the Via ...
, in
889 __NOTOC__ Year 889 ( DCCCLXXXIX) was a common year starting on Wednesday (link will display the full calendar) of the Julian calendar. Events By place Europe * Guy III, duke of Spoleto, defeats the Lombard king Berengar I at the Tr ...
. * The Christian
Nubia Nubia () (Nobiin: Nobīn, ) is a region along the Nile river encompassing the area between the first cataract of the Nile (just south of Aswan in southern Egypt) and the confluence of the Blue and White Niles (in Khartoum in central Sudan), or ...
n kingdom reaches its peak of prosperity and military power. (
Early history of Sudan The history of Sudan refers to both the territory of the Republic of the Sudan, including what became in 2011 the independent state of South Sudan. The territory of Sudan is geographically part of a larger African region, also known by the te ...
). *
Harald Fairhair Harald Fairhair no, Harald hårfagre Modern Icelandic: ( – ) was a Norwegian king. According to traditions current in Norway and Iceland in the eleventh and twelfth centuries, he reigned from  872 to 930 and was the first King of Nor ...
was victorious at the
Battle of Hafrsfjord The Battle of Hafrsfjord ( no, Slaget i Hafrsfjord) was a great naval battle fought in Hafrsfjord sometime between 872 and 900 that resulted in the unification of Norway, later known as the Kingdom of Norway. After the battle, the victorious Vikin ...
, 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 the ...
was unified into one kingdom. * The Medieval Warm Period begins. * The
Coptic period The "Coptic Periodization, period" is an informal designation for Late Egypt (Roman province), Roman Egypt (3rd−4th centuries) and Byzantine Egypt (4th−7th centuries). This era was defined by the religious shifts in Culture of Egypt, Egyptian c ...
, at its most broad definition, ends. * Page from
Koran The Quran (, ; Standard Arabic: , Quranic Arabic: , , 'the recitation'), also romanized Qur'an or Koran, is the central religious text of Islam, believed by Muslims to be a revelation from God. It is organized in 114 chapters (pl.: , si ...
(
Surah II Al-Baqara, alternatively transliterated Al-Baqarah ( ar, الْبَقَرَة, ; "The Heifer" or "The Cow"), is the second and longest chapter (''surah'') of the Quran. It consists of 286 verses ('' āyāt'') which begin with the "mysteriou ...
:286 and title
Surah III Al Imran ( ar, آلِ عِمرَان, ; The Family of Imran his wife Hanth his daughter Hazrat Maryam and his grand son Hazrat Isa) is the third chapter (sūrah) of the Quran with two hundred verses ('' āyāt''). Imran in Islam is regarded ...
) in
kufic Kufic script () is a style of Arabic script that gained prominence early on as a preferred script for Quran transcription and architectural decoration, and it has since become a reference and an archetype for a number of other Arabic scripts. It ...
script, from Syria, is made. Now kept at The
Metropolitan Museum of Art The Metropolitan Museum of Art of New York City, colloquially "the Met", is the largest art museum in the Americas. Its permanent collection contains over two million works, divided among 17 curatorial departments. The main building at 1000 ...
, New York.


Inventions, discoveries, introductions

*
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 ...
by
Al-Khwarizmi Muḥammad ibn Mūsā al-Khwārizmī ( ar, محمد بن موسى الخوارزمي, Muḥammad ibn Musā al-Khwārazmi; ), or al-Khwarizmi, was a Persian polymath from Khwarazm, who produced vastly influential works in mathematics, astronom ...
*
Quadratic equations In algebra, a quadratic equation () is any equation that can be rearranged in standard form as ax^2 + bx + c = 0\,, where represents an unknown value, and , , and represent known numbers, where . (If and then the equation is linear, not quadr ...
: Indian mathematician 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 The Utrecht Psalter (Utrecht, Universiteitsbibliotheek, MS Bibl. Rhenotraiectinae I Nr 32.) is a ninth-century illuminated psalter which is a key masterpiece of Carolingian art; it is probably the most valuable manuscript in the Netherlands. It ...
,
843 __NOTOC__ Year 843 ( DCCCXLIII) was a common year starting on Monday (link will display the full calendar) of the Julian calendar. Events By place Europe * August – Treaty of Verdun: The Frankish Empire is divided into three k ...
) * First known printed book, the '' Diamond Sutra'', printed in China using
woodblock printing Woodblock printing or block printing is a technique for printing text, images or patterns used widely throughout East Asia and originating in China in antiquity as a method of textile printing, printing on textiles and later paper. Each page o ...
in 868. * Invention of
gunpowder Gunpowder, also commonly known as black powder to distinguish it from modern smokeless powder, is the earliest known chemical explosive. It consists of a mixture of sulfur, carbon (in the form of charcoal) and potassium nitrate (saltpeter). Th ...
by Chinese
Taoist Taoism (, ) or Daoism () refers to either a school of philosophical thought (道家; ''daojia'') or to a religion (道教; ''daojiao''), both of which share ideas and concepts of Chinese origin and emphasize living in harmony with the '' Tao ...
Alchemists Alchemy (from Arabic: ''al-kīmiyā''; from Ancient Greek: χυμεία, ''khumeía'') is an ancient branch of natural philosophy, a philosophical and protoscientific tradition that was historically practiced in China, India, the Muslim world, ...
. *
Chess Chess is a board game for two players, called White and Black, each controlling an army of chess pieces in their color, with the objective to checkmate the opponent's king. It is sometimes called international chess or Western chess to dist ...
reaches Japan. *
Vulgar Latin Vulgar Latin, also known as Popular or Colloquial Latin, is the range of non-formal registers of Latin spoken from the Late Roman Republic onward. Through time, Vulgar Latin would evolve into numerous Romance languages. Its literary counterpa ...
begins to develop into various
Romance languages The Romance languages, sometimes referred to as Latin languages or Neo-Latin languages, are the various modern languages that evolved from Vulgar Latin. They are the only extant subgroup of the Italic languages in the Indo-European language ...
. * Two syllabaries or
kana The term may refer to a number of syllabaries used to write Japanese phonological units, morae. Such syllabaries include (1) the original kana, or , which were Chinese characters (kanji) used phonetically to transcribe Japanese, the most p ...
are developed from simplified Chinese characters in Japan. * The
Tibetan Script The Tibetan script is a segmental writing system (''abugida'') of Indic origin used to write certain Tibetic languages, including Tibetan, Dzongkha, Sikkimese, Ladakhi, Jirel and Balti. It has also been used for some non-Tibetic langua ...
had its third and last orthographical reform.


See also

*
Timeline of 9th-century Muslim history 9th century (801–900 CE / 184–288 AH) * 801: Death of Rābiʿa al-ʿAdawiyya al-Qaysiyya famous Arab Muslim saint and Sufi mystic. * 802: The Mecca Protocol: Caliph Harun al-Rashid and the leading officials of the Abbasid Caliphate perform ...


References


Bibliography

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