__NOTOC__ Year 824 ( DCCCXXIV) was a leap year starting on Friday of the

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

Events

By date

February 8 Events Pre-1600 * 421 – Constantius III becomes co-emperor of the Western Roman Empire. * 1238 – The Mongols burn the Russian city of Vladimir. * 1250 – Seventh Crusade: Crusaders engage Ayyubid forces in the Battle of ...

– The Tenchō era begins in Japan at the beginning of the reign of the Emperor Junna, bringing an end to the Kōnin era after 15 years. *

February 11 Events Pre-1600 * 660 BC – Traditional date for the foundation of Japan by Emperor Jimmu. * 55 – The death under mysterious circumstances of Tiberius Claudius Caesar Britannicus, heir to the Roman Empire, on the eve of his comin ...

–

Pope Paschal I Pope Paschal I (; died 824) was the bishop of Rome and ruler of the Papal States from 25 January 817 to his death in 824. Paschal was a member of an aristocratic Roman family. Before his election to the papacy, he was abbot of St. Stephen's monas ...

, leader of the Roman Catholic Church and ruler of the

Papal States The Papal States ( ; ; ), officially the State of the Church, were a conglomeration of territories on the Italian peninsula under the direct sovereign rule of the pope from 756 to 1870. They were among the major states of Italy from the 8th c ...

,dies after a reign of seven years. The Roman Curia refuses to bury him in

St. Peter's Basilica The Papal Basilica of Saint Peter in the Vatican (), or simply St. Peter's Basilica (; ), is a church of the Italian High Renaissance located in Vatican City, an independent microstate enclaved within the city of Rome, Italy. It was initiall ...

because of his harsh treatment of the people of Rome, and inters him instead in the Basilica of

Santa Prassede The Basilica of Saint Praxedes (, ), commonly known in Italian as Santa Prassede, is an early medieval titulus (Roman Catholic), titular church and minor basilica located near the papal basilica of Saint Mary Major, on Via di Santa Prassede, Mont ...

. The office remains vacant for four months before a new conclave is assembled. *

February 29 February 29 is a '' leap day'' (or "leap year day")—an intercalary date added periodically to create leap years in the Julian and Gregorian calendars. It is the 60th day of a leap year in both Julian and Gregorian calendars, and 306 day ...

– Prince Li Zhan, 14 years old, is enthroned as the Emperor Jingzong of

China China, officially the People's Republic of China (PRC), is a country in East Asia. With population of China, a population exceeding 1.4 billion, it is the list of countries by population (United Nations), second-most populous country after ...

, four days after the death of his father, Emperor Muzong.''

Zizhi Tongjian The ''Zizhi Tongjian'' (1084) is a chronicle published during the Northern Song dynasty (960–1127) that provides a record of Chinese history from 403 BC to 959 AD, covering 16 dynasties and spanning almost 1400 years. The main text is ...

'', vol. 243. *

February February is the second month of the year in the Julian calendar, Julian and Gregorian calendars. The month has 28 days in common years and 29 in leap years, with the February 29, 29th day being called the ''leap day''. February is the third a ...

– A major earthquake strikes

Byzantium Byzantium () or Byzantion () was an ancient Greek city in classical antiquity that became known as Constantinople in late antiquity and Istanbul today. The Greek name ''Byzantion'' and its Latinization ''Byzantium'' continued to be used as a n ...

Asia Minor Anatolia (), also known as Asia Minor, is a peninsula in West Asia that makes up the majority of the land area of Turkey. It is the westernmost protrusion of Asia and is geographically bounded by the Mediterranean Sea to the south, the Aegean ...

(now part of western Turkey) and part of

Greece Greece, officially the Hellenic Republic, is a country in Southeast Europe. Located on the southern tip of the Balkan peninsula, it shares land borders with Albania to the northwest, North Macedonia and Bulgaria to the north, and Turkey to th ...

, damaging the city walls of Theodosiopolis (now Barbaros in Turkey) and Heraclea Perinthus at the same time that the forces of Byzantine Emperor Michael II the Amorian are suppressing the rebellion by

Thomas the Slav Thomas the Slav (, – October 823) was a 9th-century Byzantine military commander, most notable for leading a wide-scale revolt in 821–23 against Emperor Michael II the Amorian (). An army officer of Slavic origin from the Pontus reg ...

. Both cities surrender after the natural event. *

March 3 Events Pre-1600 * 473 – Gundobad (nephew of Ricimer) nominates Glycerius as emperor of the Western Roman Empire. * 724 – Empress Genshō abdicates the throne in favor of her nephew Shōmu who becomes emperor of Japan. * 1575 ...

&ndash (9.19.13.15.19) (9th B'ak'tun, 19th K'atun, 13th year (Tun) 15th month (Winal) 19th day (K'in)) Juun Tsak-Took becomes the new ruler of the Mayan city state of Machaquila (in what is now

Guatemala Guatemala, officially the Republic of Guatemala, is a country in Central America. It is bordered to the north and west by Mexico, to the northeast by Belize, to the east by Honduras, and to the southeast by El Salvador. It is hydrologically b ...

), along with co-ruler and Ti-Chaak become the after the death of Sihyaj K'in Ich’aak II. Juun Tsak-Tookwill until his

840 __NOTOC__ Year 840 (Roman numerals, 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 cen ...

. *

March 5 Events Pre-1600 * 363 – Roman emperor Julian leaves Antioch with an army of 90,000 to attack the Sasanian Empire, in a campaign which would bring about his own death. * 1046 – Nasir Khusraw begins the seven-year Middle Easte ...

– Adelard becomes the new

Duke of Spoleto The Duke of Spoleto was the ruler of Spoleto and most of central Italy outside the Papal States during the Early and High Middle Ages (c. 500 – 1300). The first dukes were appointed by the Lombard king, but they were independent in practice. Th ...

upon the death of his father, Suppo I, who ruled much of Italy including

Brescia Brescia (, ; ; or ; ) is a city and (municipality) in the region of Lombardy, in Italy. It is situated at the foot of the Alps, a few kilometers from the lakes Lake Garda, Garda and Lake Iseo, Iseo. With a population of 199,949, it is the se ...

Parma Parma (; ) is a city in the northern Italian region of Emilia-Romagna known for its architecture, Giuseppe Verdi, music, art, prosciutto (ham), Parmesan, cheese and surrounding countryside. With a population of 198,986 inhabitants as of 2025, ...

Piacenza Piacenza (; ; ) is a city and (municipality) in the Emilia-Romagna region of Northern Italy, and the capital of the province of Piacenza, eponymous province. As of 2022, Piacenza is the ninth largest city in the region by population, with more ...

Modena Modena (, ; ; ; ; ) is a city and ''comune'' (municipality) on the south side of the Po Valley, in the Province of Modena, in the Emilia-Romagna region of northern Italy. It has 184,739 inhabitants as of 2025. A town, and seat of an archbis ...

, and

Bergamo Bergamo ( , ; ) is a city in the Alps, alpine Lombardy region of northern Italy, approximately northeast of Milan, and about from the alpine lakes Lake Como, Como and Lake Iseo, Iseo and 70 km (43 mi) from Lake Garda, Garda and Lake ...

. Adelard reigns for only five months before dying in August. *

May May is the fifth month of the year in the Julian and Gregorian calendars. Its length is 31 days. May is a month of spring in the Northern Hemisphere, and autumn in the Southern Hemisphere. Therefore, May in the Southern Hemisphere is the ...

– In Constantinople and throughout the Byzantine Empire, Michael II celebrates the festival of Triumph to mark his return to the capital after defeating the rebellion of Thomas the Slav * June 4 –

Pope Eugene II Pope Eugene II (; died 27 August 827) was the bishop of Rome and ruler of the Papal States from 6 June 824 to his death on 27 August 827. A native of Rome, he was Papal selection before 1059, chosen by nobles to succeed Paschal I as pope despite ...

is selected by church leaders and the local nobility of the Papal States as the 99th Pontiff of the Roman Catholic Church, succeeding Pope Paschal I, receiving a majority after the more conservative Zinzinnus is rejected. *

September September is the ninth month of the year in the Julian and Gregorian calendars. Its length is 30 days. September in the Northern Hemisphere and March in the Southern Hemisphere are seasonally equivalent. In the Northern hemisphere, the b ...

– Rebellious Arab troops in North Africa, led by Mansur ibn Nasr al-Tunbudhi in a battle against the

Aghlabids The Aghlabid dynasty () was an Arab dynasty centered in Ifriqiya (roughly present-day Tunisia) from 800 to 909 that conquered parts of Sicily, Southern Italy, and possibly Sardinia, nominally as vassals of the Abbasid Caliphate. The Aghlabids ...

, led by the Emir Ziyadat Allah, invade and occupy the city of

Tunis Tunis (, ') is the capital city, capital and largest city of Tunisia. The greater metropolitan area of Tunis, often referred to as "Grand Tunis", has about 2,700,000 inhabitants. , it is the third-largest city in the Maghreb region (after Casabl ...

. *

November 11 Events Pre-1600 * 308 – At Carnuntum, Emperor ''emeritus'' Diocletian confers with Galerius, '' Augustus'' of the East, and Maximianus, the recently returned former ''Augustus'' of the West, in an attempt to end the civil wars of th ...

– The '' Constitutio Romana'', drawn up between King Lothair I of Italy,

Louis the Pious Louis the Pious (; ; ; 16 April 778 – 20 June 840), also called the Fair and the Debonaire, was King of the Franks and Holy Roman Emperor, co-emperor with his father, Charlemagne, from 813. He was also King of Aquitaine from 781. As the only ...

, since 817, and

, establishes the authority of the

Holy Roman Emperor The Holy Roman Emperor, originally and officially the Emperor of the Romans (disambiguation), Emperor of the Romans (; ) during the Middle Ages, and also known as the Roman-German Emperor since the early modern period (; ), was the ruler and h ...

s over the papacy of

Rome Rome (Italian language, Italian and , ) is the capital city and most populated (municipality) of Italy. It is also the administrative centre of the Lazio Regions of Italy, region and of the Metropolitan City of Rome. A special named with 2, ...

By place

Europe

Battle of Roncevaux Pass The Battle of Roncevaux Pass ( French and English spelling, '' Roncesvalles'' in Spanish, ''Orreaga'' in Basque) in 778 saw a large force of Basques ambush a part of Charlemagne's army in Roncevaux Pass, a high mountain pass in the Pyrenees on ...

: The

Basques The Basques ( or ; ; ; ) are a Southwestern European ethnic group, characterised by the Basque language, a Basque culture, common culture and shared genetic ancestry to the ancient Vascones and Aquitanians. Basques are indigenous peoples, ...

and Banu Qasi defeat a Frankish expedition, led by Counts Aznar and Ebles, in the

Pyrenees The Pyrenees are a mountain range straddling the border of France and Spain. They extend nearly from their union with the Cantabrian Mountains to Cap de Creus on the Mediterranean coast, reaching a maximum elevation of at the peak of Aneto. ...

. * Iñigo Arista revolts against the

Frankish Empire The Carolingian Empire (800–887) was a 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 Lomba ...

, and establishes the Kingdom of Pamplona, with the support of the

Caliphate of Córdoba A caliphate ( ) is an institution or public office under the leadership of an Islamic steward with Khalifa, the title of caliph (; , ), a person considered a political–religious successor to the Islamic prophet Muhammad and a leader of ...

. * Vikings raid Ireland, on the

Kingdom of Munster The Kingdom of Munster () was a kingdom of Gaelic Ireland which existed in the south-west of the island from at least the 1st century BC until 1118. According to traditional Irish history found in the ''Annals of the Four Masters'', the kingdom ...

at Skellig Michael Retrieved on 26 July 2017.

Britain

Vikings Vikings were 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 settled throughout parts of Europe.Roesdahl, pp. 9� ...

raid Bangor (modern

Wales Wales ( ) is a Countries of the United Kingdom, country that is part of the United Kingdom. It is bordered by the Irish Sea to the north and west, England to the England–Wales border, east, the Bristol Channel to the south, and the Celtic ...

) for the second time, and plunder the

bishopric In church governance, a diocese or bishopric is the ecclesiastical district under the jurisdiction of a bishop. History In the later organization of the Roman Empire, the increasingly subdivided provinces were administratively associate ...

(approximate date).

Japan

Zenpuku-ji Zenpuku-ji (善福寺), also known as Azabu-san (麻布山), is a temple located in the Azabu district of Tokyo, Japan. It is one of the oldest Tokyo temples, after Asakusa. History Founded by Kūkai in 824, Zenpuku-ji was originally a Shingon ...

, one of the oldest

Tokyo Tokyo, officially the Tokyo Metropolis, is the capital of Japan, capital and List of cities in Japan, most populous city in Japan. With a population of over 14 million in the city proper in 2023, it is List of largest cities, one of the most ...

temples, is founded by the Japanese

Buddhist Buddhism, also known as Buddhadharma and Dharmavinaya, is an Indian religion and List of philosophies, philosophical tradition based on Pre-sectarian Buddhism, teachings attributed to the Buddha, a wandering teacher who lived in the 6th or ...

monk

Kūkai , born posthumously called , was a Japanese Buddhist monk, calligrapher, and poet who founded the Vajrayana, esoteric Shingon Buddhism, Shingon school of Buddhism. He travelled to China, where he studied Tangmi (Chinese Vajrayana Buddhism) und ...

By topic

Religion

–

dies after a 7-year reign, and is succeeded by Eugene II, as the 99th

pope The pope is the bishop of Rome and the Head of the Church#Catholic Church, visible head of the worldwide Catholic Church. He is also known as the supreme pontiff, Roman pontiff, or sovereign pontiff. From the 8th century until 1870, the po ...

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 1.27 to 1.41 billion baptized Catholics Catholic Church by country, worldwid ...

Births

Al-Tirmidhi Muhammad ibn Isa al-Tirmidhi (; 824 – 9 October 892 CE / 209–279 AH), often referred to as Imām at-Termezī/Tirmidhī, was an Islamic scholar, and collector of hadith from Termez (early Khorasan and in present-day Uzbekistan). He w ...

, Persian

scholar A scholar is a person who is a researcher or has expertise in an academic discipline. A scholar can also be an academic, who works as a professor, teacher, or researcher at a university. An academic usually holds an advanced degree or a termina ...

and

hadith Hadith is the Arabic word for a 'report' or an 'account f an event and refers to the Islamic oral tradition of anecdotes containing the purported words, actions, and the silent approvals of the Islamic prophet Muhammad or his immediate circle ...

compiler (d.

892 Year 892 (Roman numerals, DCCCXCII) was a leap year starting on Saturday of the Julian calendar, the 892nd year of the Common Era (CE) and Anno Domini (AD) designations, the 892nd year of the 1st millennium, the 92nd year of the 9th century, a ...

) * Chen Tao, Chinese

poet A poet is a person who studies and creates poetry. Poets may describe themselves as such or be described as such by others. A poet may simply be the creator (thought, thinker, songwriter, writer, or author) who creates (composes) poems (oral t ...

(d. 882) *

Ibn Majah Abū ʿAbd Allāh Muḥammad ibn Yazīd Ibn Mājah al-Rabʿī al-Qazwīnī (; (b. 209/824, d. 273/887) commonly known as Ibn Mājah, was a Middle Ages, medieval scholar of hadith of Persian people, Persian origin. He compiled the last of Sunni ...

, Persian scholar and hadith compiler * Li Pu, prince of the

Tang dynasty The Tang dynasty (, ; zh, c=唐朝), or the Tang Empire, was an Dynasties of China, imperial dynasty of China that ruled from 618 to 907, with an Wu Zhou, interregnum between 690 and 705. It was preceded by the Sui dynasty and followed ...

(d. 828) * Muhammad ibn Abdallah, Muslim governor (or 825) * Zhao Chou, Chinese

warlord Warlords are individuals who exercise military, Economy, economic, and Politics, political control over a region, often one State collapse, without a strong central or national government, typically through informal control over Militia, local ...

(d. 889)

Deaths

– Paschal I, pope of the

– Suppo I, Frankish

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

August 5 Events Pre-1600 * AD 25 – Guangwu claims the throne as Emperor of China, restoring the Han dynasty after the collapse of the short-lived Xin dynasty. * 70 – Fires resulting from the destruction of the Second Temple in Jerusalem are ...

– Heizei, emperor of

Japan Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...

(b. 773) * Adelard, duke of

Spoleto Spoleto (, also , , ; ) is an ancient city in the Italian province of Perugia in east-central Umbria on a foothill of the Apennines. It is south of Trevi, north of Terni, southeast of Perugia; southeast of Florence; and north of Rome. H ...

(

Italy Italy, officially the Italian Republic, is a country in Southern Europe, Southern and Western Europe, Western Europe. It consists of Italian Peninsula, a peninsula that extends into the Mediterranean Sea, with the Alps on its northern land b ...

) *

Han Yu Han Yu (; 76825 December 824), courtesy name Tuizhi (), and commonly known by his posthumous name Han Wengong (韓文公), was an essayist, Confucian scholar, poet, and government official during the Tang dynasty who significantly influenced t ...

, Chinese

philosopher Philosophy ('love of wisdom' in Ancient Greek) is a systematic study of general and fundamental questions concerning topics like existence, reason, knowledge, Value (ethics and social sciences), value, mind, and language. It is a rational an ...

and poet (b. 768) * Mauring, Frankish nobleman * Mu Zong, emperor of the Tang dynasty (b. 795) *

Óengus of Tallaght In Irish mythology, Aengus or Óengus is one of the Tuatha Dé Danann and probably originally a god associated with youth, love,Ó hÓgáin, Dáithí. ''Myth, Legend & Romance: An encyclopedia of the Irish folk tradition''. Prentice-Hall Press, ...

, Irish

bishop A bishop is an ordained member of the clergy who is entrusted with a position of Episcopal polity, authority and oversight in a religious institution. In Christianity, bishops are normally responsible for the governance and administration of di ...

* Ruthmael, Irish

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

and bishop *

Sayyida Nafisa Sayyida Nafisa (d. 208 AH / 830 CE), the full name ''As-Sayyidah Nafīsah bint Amīr al-Muʾminīn Al-Ḥasan al-Anwar ibn Zayd al-Ablaj ibn Al-Hasan ibn ʿAlī ibn Abī Ṭālib al-ʿAlawiyyah al-Ḥasaniyyah'' (), was a female descenda ...

, Arab female scholar (b. 762) * Wetti of Reichenau, German scholar * Zhang Hongjing, Chinese

chancellor Chancellor () is a title of various official positions in the governments of many countries. The original chancellors were the of Roman courts of justice—ushers, who sat at the (lattice work screens) of a basilica (court hall), which separa ...

(b. 760)

References

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