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__NOTOC__ Year 840 ( DCCCXL) was a leap year starting on Thursday in 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 Alexandri ...
, the 840th year of the
Common Era Common Era (CE) and Before the Common Era (BCE) are year notations for the Gregorian calendar (and its predecessor, the Julian calendar), the world's most widely used calendar era. Common Era and Before the Common Era are alternatives to the or ...
(CE) and
Anno Domini The terms (AD) and before Christ (BC) are used to label or number years in the Julian and Gregorian calendars. The term is Medieval Latin and means 'in the year of the Lord', but is often presented using "our Lord" instead of "the Lord" ...
(AD) designations, the 840th year of the
1st millennium File:1st millennium montage.png, From top left, clockwise: Depiction of Jesus, the central figure in Christianity; The Colosseum, a landmark of the once-mighty Roman Empire; Kaaba, the Great Mosque of Mecca, the holiest site of Islam; Chess, a ...
, the 40th year of the 9th century, and the 1st year of the 840s decade.


Events


By place


Europe

*
June 20 Events Pre-1600 * 451 – Battle of Chalons: Flavius Aetius' battles Attila the Hun. After the battle, which was inconclusive, Attila retreats, causing the Romans to interpret it as a victory. *1180 – First Battle of Uji, starting ...
– Emperor
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 Aqu ...
falls ill and dies at his hunting lodge, on an island in the
Rhine ), Surselva, Graubünden, Switzerland , source1_coordinates= , source1_elevation = , source2 = Rein Posteriur/Hinterrhein , source2_location = Paradies Glacier, Graubünden, Switzerland , source2_coordinates= , source ...
, near his imperial palace at Ingelheim, while suppressing a revolt. His eldest son
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 Bava ...
succeeds him as
Holy Roman Emperor The Holy Roman Emperor, originally and officially the Emperor of the Romans ( la, Imperator Romanorum, german: Kaiser der Römer) during the Middle Ages, and also known as the Roman-German Emperor since the early modern period ( la, Imperat ...
, and tries to seize all the territories of the late
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 E ...
.
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 se ...
, 17, becomes king of the
Franks The Franks ( la, Franci or ) were a group of Germanic peoples whose name was first mentioned in 3rd-century Roman sources, and associated with tribes between the Lower Rhine and the Ems River, on the edge of the Roman Empire.H. Schutz: Tools ...
, and joins with his half-brother
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 ...
, in resisting Lothair. *
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 ...
from
Norway Norway, officially the Kingdom of Norway, is a Nordic countries, 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 ...
capture
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 ...
, and establish a Norse kingdom in
Ireland Ireland ( ; ga, Éire ; Ulster-Scots: ) is an island in the North Atlantic Ocean, in north-western Europe. It is separated from Great Britain to its east by the North Channel, the Irish Sea, and St George's Channel. Ireland is the s ...
.


Britain

* King Wigstan of Mercia, grandson of former ruler Wiglaf (see 839), declines his kingship in preference of the religious life. He asks his widowed mother, Princess
Ælfflæd Ælfflæd is a name of Anglo-Saxon England meaning Ælf (Elf) and flæd (beauty). It may refer to: * Saint Ælfflæd of Whitby (654–714) * Ælfflæd of Mercia, daughter of Offa, wife of King Æthelred I of Northumbria * Ælfflæd, wife of Edward ...
, to act as
regent A regent (from Latin : ruling, governing) is a person appointed to govern a state '' pro tempore'' (Latin: 'for the time being') because the monarch is a minor, absent, incapacitated or unable to discharge the powers and duties of the monarchy ...
. A
nobleman Nobility is a social class found in many societies that have an aristocracy. It is normally ranked immediately below royalty. Nobility has often been an estate of the realm with many exclusive functions and characteristics. The characteris ...
of the line of the late king
Beornred Beornred (Old English: ''Beornræd'') (?-757) was a Mercian Thane who was briefly King of Mercia in 757. Beornred ascended the throne following the murder of King Æthelbald. However, he was defeated by Offa and forced to flee the country, and ...
, named Berhtric, wishes to marry her but he is a relative. Wigstan refuses the match, and is murdered by followers of Berhtric at Wistow. He is buried at Repton Abbey, and later revered as a
saint In religious belief, a saint is a person who is recognized as having an exceptional degree of holiness, likeness, or closeness to God. However, the use of the term ''saint'' depends on the context and denomination. In Catholic, Eastern Or ...
. The
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= , y ...
n throne is seized by Berhtric's father,
Beorhtwulf Beorhtwulf (, meaning "bright wolf"; also spelled ''Berhtwulf''; died 852) was King of Mercia, a kingdom of Anglo-Saxon England, from 839 or 840 to 852. His ancestry is unknown, though he may have been connected to Beornwulf, who ruled Mercia i ...
.Zaluckyj & Zaluckyj, "Decline" *
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 ...
make permanent settlements with their first ' wintering over', located at
Lough Neagh Lough Neagh ( ) is a freshwater lake in Northern Ireland and is the largest lake in the island of Ireland, the United Kingdom and the British Isles. It has a surface area of and supplies 40% of Northern Ireland's water. Its main inflows come ...
in
Northern Ireland Northern Ireland ( ga, Tuaisceart Éireann ; sco, label=Ulster Scots dialect, Ulster-Scots, Norlin Airlann) is a part of the United Kingdom, situated in the north-east of the island of Ireland, that is #Descriptions, variously described as ...
(approximate date).


Asia

* Emperor Wen Zong (Li Ang) dies after a 13-year reign, in which he has failed to break the power of his palace
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. He is succeeded by his brother
Wu Zong Emperor Wuzong of Tang (July 2, 814 – April 22, 846), né Li Chan, later changed to Li Yan just before his death, was an emperor of the Tang Dynasty of History of China, China, reigning from 840 to 846. Emperor Wuzong is mainly known in moder ...
, as Chinese ruler 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 ...
. * The
Yenisei Kirghiz The Yenisei Kyrgyz ( otk, 𐰶𐰃𐰺𐰴𐰕:𐰉𐰆𐰑𐰣, Qyrqyz bodun), were an ancient Turkic people who dwelled along the upper Yenisei River in the southern portion of the Minusinsk Depression from the 3rd century BCE to the 13t ...
settle along the
Yenisei River The Yenisey (russian: Енисе́й, ''Yeniséy''; mn, Горлог мөрөн, ''Gorlog mörön''; Buryat: Горлог мүрэн, ''Gorlog müren''; Tuvan: Улуг-Хем, ''Uluğ-Hem''; Khakas: Ким суғ, ''Kim suğ''; Ket: Ӄук, ...
, and sack with a force of around 80,000 horsemen the Uyghur capital, Ordu-Baliq (driving the
Uyghurs The Uyghurs; ; ; ; zh, s=, t=, p=Wéiwú'ěr, IPA: ( ), alternatively spelled Uighurs, Uygurs or Uigurs, are a Turkic peoples, Turkic ethnic group originating from and culturally affiliated with the general region of Central Asia, Cent ...
out of
Mongolia Mongolia; Mongolian script: , , ; lit. "Mongol Nation" or "State of Mongolia" () is a landlocked country in East Asia, bordered by Russia to the north and China to the south. It covers an area of , with a population of just 3.3 million ...
). This ends the
Uyghur Khaganate The Uyghur Khaganate (also Uyghur Empire or Uighur Khaganate, self defined as Toquz-Oghuz country; otk, 𐱃𐰆𐰴𐰕:𐰆𐰍𐰕:𐰉𐰆𐰑𐰣, Toquz Oγuz budun, Tang-era names, with modern Hanyu Pinyin: or ) was a Turkic empire that e ...
.History of Central Asia
*The 840 Erzurum earthquake takes place in the city of Qaliqala (modern
Erzurum Erzurum (; ) is a city in eastern Anatolia, Turkey. It is the largest city and capital of Erzurum Province and is 1,900 meters (6,233 feet) above sea level. Erzurum had a population of 367,250 in 2010. The city uses the double-headed eagle as ...
).Guidoboni, Traina, 1995, p. 121


By topic


Religion

* Nobis becomes
bishop A bishop is an ordained clergy member who is entrusted with a position of authority and oversight in a religious institution. In Christianity, bishops are normally responsible for the governance of dioceses. The role or office of bishop is ...
of
St. David's St Davids or St David's ( cy, Tyddewi, ,  " David's house”) is a city and a community (named St Davids and the Cathedral Close) with a cathedral in Pembrokeshire, Wales, lying on the River Alun. It is the resting place of Saint Da ...
, in the Welsh
Kingdom of Dyfed The Kingdom of Dyfed (), one of several Welsh petty kingdoms that emerged in 5th-century sub-Roman Britain in southwest Wales, was based on the former territory of the Demetae (modern Welsh ''Dyfed''). The medieval Irish narrative, '' The Expul ...
(approximate date).


Births

*
January January is the first month of the year in the Julian and Gregorian calendars and is also the first of seven months to have a length of 31 days. The first day of the month is known as New Year's Day. It is, on average, the coldest month of the ...
Michael III Michael III ( grc-gre, Μιχαήλ; 9 January 840 – 24 September 867), also known as Michael the Drunkard, was Byzantine Emperor from 842 to 867. Michael III was the third and traditionally last member of the Amorian (or Phrygian) dynasty. ...
, Byzantine emperor (
867 __NOTOC__ Year 867 ( 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 murdered, by order o ...
) This date of birth is generally held as uncertain; though January 840 is the most probable, 839 is also possible. *
October 25 Events Pre-1600 * 285 (or 286) – Execution of Saints Crispin and Crispinian during the reign of Diocletian, now the patron saints of leather workers, curriers, and shoemakers. * 473 – Emperor Leo I acclaims his grandson Leo II ...
Ya'qub ibn al-Layth al-Saffar , title = Amir of the Saffarid dynasty , image = مجسمه یعقوب لیث در زابل.jpg , image_size = 300px , caption = Statue of Ya'qub in Zabol, Iran , reign = 861–879 , coronation = , predece ...
, founder of the Saffarid dynasty ( 879) * Abu al-Hassan al-Nuri, Muslim
Sufi Sufism ( ar, ''aṣ-ṣūfiyya''), also known as Tasawwuf ( ''at-taṣawwuf''), is a mystic body of religious practice, found mainly within Sunni Islam but also within Shia Islam, which is characterized by a focus on Islamic spirituality, r ...
(approximate date) * Adalhard II, Frankish
nobleman Nobility is a social class found in many societies that have an aristocracy. It is normally ranked immediately below royalty. Nobility has often been an estate of the realm with many exclusive functions and characteristics. The characteris ...
(approximate date) *
Berengaudus Berengaudus (840–892) was a Benedictine monk, supposed author of ''Expositio super septem visiones libri Apocalypsis'', a Latin commentary on the ''Book of Revelation''. He has traditionally been assumed to be a monk of Ferrières Abbey, at the t ...
,
Benedictine , image = Medalla San Benito.PNG , caption = Design on the obverse side of the Saint Benedict Medal , abbreviation = OSB , formation = , motto = (English: 'Pray and Work') , foun ...
monk (
892 Year 892 ( DCCCXCII) was a leap year starting on Saturday (link will display the full calendar) of the Julian calendar. Events By place Europe * Summer – Poppo II, duke of Thuringia (Central Germany), is deposed by King Arnu ...
) *
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 ...
, Bulgarian scholar (approximate date) *
Eudokia Ingerina Eudokia (or Eudocia) Ingerina ( el, Ευδοκία Ιγγερίνα) (c. 840 – c. 882) was a Byzantine Empress as the wife of the Byzantine emperor Basil I, the mistress of his predecessor Michael III, and the mother of emperors Leo VI and Alex ...
, Byzantine empress (approximate date) * Hucbald, Frankish
music theorist Music theory is the study of the practices and possibilities of music. ''The Oxford Companion to Music'' describes three interrelated uses of the term "music theory". The first is the " rudiments", that are needed to understand music notation ( ...
(or 850) * Lothar I, Frankish nobleman ( 880) * Notker the Stammerer, Benedictine
monk A monk (, from el, μοναχός, ''monachos'', "single, solitary" via Latin ) is a person who practices religious asceticism by monastic living, either alone or with any number of other monks. A monk may be a person who decides to dedic ...
(approximate date) * Richardis, Frankish empress (approximate date) * Sunyer II, Frankish nobleman (approximate date) *
Theodard :''Theodard was also the murdered bishop Theodard of Maastricht.'' Saint Theodard (french: Théodard) (ca. 840–1 May, ca. 893) was an archbishop of Narbonne. He may have been born to the nobility and served as a subdeacon at a church coun ...
, archbishop of
Narbonne Narbonne (, also , ; oc, Narbona ; la, Narbo ; Late Latin:) is a commune in Southern France in the Occitanie region. It lies from Paris in the Aude department, of which it is a sub-prefecture. It is located about from the shores of the ...
(approximate date) * Theodore II, pope of the
Catholic Church The Catholic Church, also known as the Roman Catholic Church, is the List of Christian denominations by number of members, largest Christian church, with 1.3 billion baptized Catholics Catholic Church by country, worldwide . It is am ...
( 897) *
Unruoch III Unruoch III, Unroch III or (H)unroch III (c. 840 – 874, after 1 July) was the margrave of Friuli from 863 to 874. He was the oldest son of Eberhard of Friuli and Gisela, daughter of Louis the Pious, a descendant of Charlemagne. He married A ...
, margrave of
Friuli Friuli ( fur, Friûl, sl, Furlanija, german: Friaul) is an area of Northeast Italy with its own particular cultural and historical identity containing 1,000,000 Friulians. It comprises the major part of the autonomous region Friuli Venezia Giuli ...
(approximate date)


Deaths

*
March 14 Events Pre-1600 * 1074 – Battle of Mogyoród: Dukes Géza and Ladislaus defeat their cousin Solomon, King of Hungary, forcing him to flee to Hungary's western borderland. *1590 – Battle of Ivry: Henry of Navarre and the Hugu ...
Einhard Einhard (also Eginhard or Einhart; la, E(g)inhardus; 775 – 14 March 840) was a Frankish scholar and courtier. Einhard was a dedicated servant of Charlemagne and his son Louis the Pious; his main work is a biography of Charlemagne, the ''Vita ...
, Frankish scholar *
June 11 Events Pre-1600 * 173 – Marcomannic Wars: The Roman army in Moravia is encircled by the Quadi, who have broken the peace treaty (171). In a violent thunderstorm emperor Marcus Aurelius defeats and subdues them in the so-called "miracle ...
Junna Junna Sakai (境 純菜 ''Sakai Junna,'' born November 2, 2000), better known by her stage name JUNNA (じゅんな), is a Japanese singer managed by Cube Inc. and signed to FlyingDog. Career JUNNA made her singing career debut as the singin ...
, emperor of
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 n ...
( 785) *
June 16 Events Pre-1600 * 363 – Emperor Julian marches back up the Tigris and burns his fleet of supply ships. During the withdrawal, Roman forces suffer several attacks from the Persians. * 632 – Yazdegerd III ascends the throne as king ...
or 839Rorgon I, Frankish nobleman *
June 20 Events Pre-1600 * 451 – Battle of Chalons: Flavius Aetius' battles Attila the Hun. After the battle, which was inconclusive, Attila retreats, causing the Romans to interpret it as a victory. *1180 – First Battle of Uji, starting ...
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 Aqu ...
, ruler of 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 L ...
(
778 __NOTOC__ Year 778 ( DCCLXXVIII) was a common year starting on Thursday of the Julian calendar. The denomination 778 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method ...
) *
Agobard Agobard of Lyon (–840) was a Spanish-born priest and archbishop of Lyon, during the Carolingian Renaissance. The author of multiple treatises, ranging in subject matter from the iconoclast controversy to Spanish Adoptionism to critiques of the ...
, archbishop of
Lyon Lyon,, ; Occitan: ''Lion'', hist. ''Lionés'' also spelled in English as Lyons, is the third-largest city and second-largest metropolitan area of France. It is located at the confluence of the rivers Rhône and Saône, to the northwest of ...
(
779 __NOTOC__ Year 779 ( DCCLXXIX) was a common year starting on Friday of the Julian calendar. The denomination 779 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Eur ...
) * Andrew II, duke of
Naples Naples (; it, Napoli ; nap, Napule ), from grc, Νεάπολις, Neápolis, lit=new city. is the regional capital of Campania and the third-largest city of Italy, after Rome and Milan, with a population of 909,048 within the city's adm ...
* Ansovinus, archbishop of Camerino * Czimislav, king of the
Sorbs Sorbs ( hsb, Serbja, dsb, Serby, german: Sorben; also known as Lusatians, Lusatian Serbs and Wends) are a indigenous West Slavic ethnic group predominantly inhabiting the parts of Lusatia located in the German states of Saxony and Branden ...
(approximate date) * He Jintao, general 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 ...
*
Hilduin Hilduin (c. 785 – c. 855) was Bishop of Paris, chaplain to Louis I, reforming Abbot of the Abbey of Saint-Denis, and author. He was one of the leading scholars and administrators of the Carolingian Empire. Background Hilduin was from a pr ...
, archbishop of
Paris Paris () is the capital and most populous city of France, with an estimated population of 2,165,423 residents in 2019 in an area of more than 105 km² (41 sq mi), making it the 30th most densely populated city in the world in 2020. Si ...
(
775 __NOTOC__ Year 775 ( DCCLXXV) was a common year starting on Sunday (link will display the full calendar) of the Julian calendar. The denomination 775 for this year has been used since the early medieval period, when the Anno Domini calendar era ...
) * Li Chengmei, prince of the Tang Dynasty * Li Rong, prince of the Tang Dynasty * Muhammad at-Taqi, Muslim ninth
Ismā'īlī Isma'ilism ( ar, الإسماعيلية, al-ʾIsmāʿīlīyah) is a branch or sub-sect of Shia Islam. The Isma'ili () get their name from their acceptance of Imam Isma'il ibn Jafar as the appointed spiritual successor ( imām) to Ja'far al ...
imam (or 839) * Salmawaih ibn Bunan, Muslim physician * Wen Zong, emperor of the Tang Dynasty ( 809) * Wigstan, king 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= , y ...
(approximate date) * Yang, consort and
concubine Concubinage is an interpersonal and sexual relationship between a man and a woman in which the couple does not want, or cannot enter into a full marriage. Concubinage and marriage are often regarded as similar but mutually exclusive. Concubi ...
of Wen Zong


References


Sources

* {{DEFAULTSORT:840