__NOTOC__ Year 364 ( CCCLXIV) was a

leap year starting on Thursday A leap year starting on Thursday is any year with 366 days (i.e. it includes 29 February) that begins on Thursday 1 January, and ends on Friday 31 December. Its dominical letters hence are DC. The most recent year of such kind was 2004 and the next ...

(link will display the full calendar) of the

Julian calendar The Julian calendar, proposed by Roman consul Julius Caesar in 46 BC, was a reform of the Roman calendar. It took effect on , by edict. It was designed with the aid of Greek mathematicians and astronomers such as Sosigenes of Alexandr ...

. At the time, it was known as the Year of the Consulship of Augustus and Varronianus (or, less frequently, year 1117 ''

Ab urbe condita ''Ab urbe condita'' ( 'from the founding of the City'), or ''anno urbis conditae'' (; 'in the year since the city's founding'), abbreviated as AUC or AVC, expresses a date in years since 753 BC, the traditional founding of Rome. It is an exp ...

''). The denomination 364 for this year has been used since the early medieval period, when the

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", ...

calendar era A calendar era is the period of time elapsed since one ''epoch'' of a calendar and, if it exists, before the next one. For example, it is the year as per the Gregorian calendar, which numbers its years in the Western Christian era (the Coptic ...

became the prevalent method in Europe for naming years.

Events

By place

Roman Empire

February 17 Events Pre-1600 * 1370 – Northern Crusades: Grand Duchy of Lithuania and the Teutonic Knights meet in the Battle of Rudau. * 1411 – Following the successful campaigns during the Ottoman Interregnum, Musa Çelebi, one of the sons of ...

– Emperor

Jovian Jovian is the adjectival form of Jupiter and may refer to: * Jovian (emperor) (Flavius Iovianus Augustus), Roman emperor (363–364 AD) * Jovians and Herculians, Roman imperial guard corps * Jovian (lemur), a Coquerel's sifaka known for ''Zoboomafo ...

dies after a reign of eight months. He is found dead in his tent at

Tyana Tyana ( grc, Τύανα), earlier known as Tuwana ( Hieroglyphic Luwian: ; Akkadian: ) and Tuwanuwa ( Hittite: ) was an ancient city in the Anatolian region of Cappadocia, in modern Kemerhisar, Niğde Province, Central Anatolia, Turkey. It w ...

(

Asia Minor Anatolia, tr, Anadolu Yarımadası), and the Anatolian plateau, also known as Asia Minor, is a large peninsula in Western Asia and the westernmost protrusion of the Asian continent. It constitutes the major part of modern-day Turkey. The re ...

) en route back to

Constantinople la, Constantinopolis ota, قسطنطينيه , alternate_name = Byzantion (earlier Greek name), Nova Roma ("New Rome"), Miklagard/Miklagarth (Old Norse), Tsargrad ( Slavic), Qustantiniya (Arabic), Basileuousa ("Queen of Cities"), Megalopolis (" ...

, in suspicious circumstances. *

February 26 Events Pre-1600 *747 BC – According to Ptolemy, the epoch (origin) of the Nabonassar Era began at noon on this date. Historians use this to establish the modern BC chronology for dating historic events. * 364 – Valentinian I is p ...

–

Valentinian I Valentinian I ( la, Valentinianus; 32117 November 375), sometimes called Valentinian the Great, was Roman emperor from 364 to 375. Upon becoming emperor, he made his brother Valens his co-emperor, giving him rule of the eastern provinces. Vale ...

is proclaimed Emperor by officers of the

Roman army The Roman army (Latin: ) was the armed forces deployed by the Romans throughout the duration of Ancient Rome, from the Roman Kingdom (c. 500 BC) to the Roman Republic (500–31 BC) and the Roman Empire (31 BC–395 AD), and its medieval contin ...

Nicaea Nicaea, also known as Nicea or Nikaia (; ; grc-gre, Νίκαια, ) was an ancient Greek city in Bithynia, where located in northwestern Anatolia and is primarily known as the site of the First and Second Councils of Nicaea (the first and seve ...

Bithynia Bithynia (; Koine Greek: , ''Bithynía'') was an ancient region, kingdom and Roman province in the northwest of Asia Minor (present-day Turkey), adjoining the Sea of Marmara, the Bosporus, and the Black Sea. It bordered Mysia to the southwest, Pa ...

. He addresses the soldiers (who threaten to riot) in a speech. He founds the

Valentinianic dynasty The Valentinianic or Valentinian dynasty was a ruling house of five generations of dynasts, including five Roman emperors during Late Antiquity, lasting nearly a hundred years from the mid fourth to the mid fifth century. They succeeded the ...

and rules the

Western Roman Empire The Western Roman Empire comprised the western provinces of the Roman Empire at any time during which they were administered by a separate independent Imperial court; in particular, this term is used in historiography to describe the period fr ...

, from

Caledonia Caledonia (; ) was the Latin name used by the Roman Empire to refer to the part of Great Britain () that lies north of the River Forth, which includes most of the land area of Scotland. Today, it is used as a romantic or poetic name for all ...

(

Scotland Scotland (, ) is a country that is part of the United Kingdom. Covering the northern third of the island of Great Britain, mainland Scotland has a border with England to the southeast and is otherwise surrounded by the Atlantic Ocean to the ...

) to the

Rhine ), Surselva, Graubünden, Switzerland , source1_coordinates= , source1_elevation = , source2 = Rein Posteriur/Hinterrhein , source2_location = Paradies Glacier, Graubünden, Switzerland , source2_coordinates= , so ...

frontier, ensuring it a few years of relative security. He settles in

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. S ...

and establishes a militia to defend the region. *

March 28 Events Pre-1600 * AD 37 – Roman emperor Caligula accepts the titles of the Principate, bestowed on him by the Senate. * 193 – After assassinating the Roman Emperor Pertinax, his Praetorian Guards auction off the throne to Di ...

–

Valens Valens ( grc-gre, Ουάλης, Ouálēs; 328 – 9 August 378) was Roman emperor from 364 to 378. Following a largely unremarkable military career, he was named co-emperor by his elder brother Valentinian I, who gave him the eastern half of ...

, brother of Valentinian I, is appointed co-emperor (''

Augustus Caesar Augustus (born Gaius Octavius; 23 September 63 BC – 19 August AD 14), also known as Octavian, was the first Roman emperor; he reigned from 27 BC until his death in AD 14. He is known for being the founder of the Roman Pri ...

'') in the palace of Hebdomon (

Turkey Turkey ( tr, Türkiye ), officially the Republic of Türkiye ( tr, Türkiye Cumhuriyeti, links=no ), is a list of transcontinental countries, transcontinental country located mainly on the Anatolia, Anatolian Peninsula in Western Asia, with ...

). He rules the

Eastern Roman 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 ...

, from the

Danube The Danube ( ; ) is a river that was once a long-standing frontier of the Roman Empire and today connects 10 European countries, running through their territories or being a border. Originating in Germany, the Danube flows southeast for , pa ...

to the Persian border, and begins the first anti-

pagan Paganism (from classical Latin ''pāgānus'' "rural", "rustic", later "civilian") is a term first used in the fourth century by early Christians for people in the Roman Empire who practiced polytheism, or ethnic religions other than Judaism. ...

persecutions. *

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 ...

is forced to endure fierce barbarian raids.

By topic

Religion

* The

Council of Laodicea The Council of Laodicea was a regional Christian synod of approximately thirty clerics from Asia Minor which assembled about 363–364 in Laodicea, Phrygia Pacatiana. Historical context The council took place soon after the conclusion of the w ...

decides some disciplinary questions of the church and attempts to establish the

Biblical canon A biblical canon is a set of texts (also called "books") which a particular Jewish or Christian religious community regards as part of the Bible. The English word ''canon'' comes from the Greek , meaning " rule" or "measuring stick". The use ...

, but fails.

Science

Theon of Alexandria Theon of Alexandria (; grc, Θέων ὁ Ἀλεξανδρεύς; 335 – c. 405) was a Greek scholar and mathematician who lived in Alexandria, Egypt. He edited and arranged Euclid's '' Elements'' and wrote commentaries on works ...

, Greek

mathematician A mathematician is someone who uses an extensive knowledge of mathematics in their work, typically to solve mathematical problems. Mathematicians are concerned with numbers, data, quantity, structure, space, models, and change. History On ...

, observes a

solar eclipse A solar eclipse occurs when the Moon passes between Earth and the Sun, thereby obscuring the view of the Sun from a small part of the Earth, totally or partially. Such an alignment occurs during an eclipse season, approximately every six month ...

(

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 ...

) and a

lunar eclipse A lunar eclipse occurs when the Moon moves into the Earth's shadow. Such alignment occurs during an eclipse season, approximately every six months, during the full moon phase, when the Moon's orbital plane is closest to the plane of the Earth ...

(

November 25 Events Pre-1600 *571 BC – Servius Tullius, king of Rome, celebrates the first of his three triumphs for his victory over the Etruscans. *1034 – Máel Coluim mac Cináeda, King of Scots, dies. His grandson, Donnchad, son of Bethó ...

). He gains some renown for his version of Euclid's ''Elements'' and his commentaries on Ptolemy's ''Almagest''.

Births

Blaesilla Blaesilla, also known as Blesilla (364–384), was a Roman widow and disciple of Jerome. She was born into a wealthy senatorial family in Rome, the eldest daughter of Paula of Rome and sister of Eustochium, who were members of a group of wealthy ...

, Roman noblewoman (d. 384) *

Huiguo Huiguo () (746–805) was a bhikkhu, Buddhist monk of Tang dynasty, Tang China who studied and taught Chinese Esoteric Buddhism, a Vajrayana tradition recently imported from India. Later Huiguo would become the teacher of Kūkai, founder of Shingo ...

, Chinese

Buddhist Buddhism ( , ), also known as Buddha Dharma and Dharmavinaya (), is an Indian religion or philosophical tradition based on teachings attributed to the Buddha. It originated in northern India as a -movement in the 5th century BCE, and ...

nun (d. 433) *

Sima Daozi Sima Daozi (司馬道子) (363 – 3 February 403), courtesy name Daozi (道子), formally Prince Wenxiao of Kuaiji (會稽文孝王), was a regent during the reign of his nephew Emperor An of Jin, being the younger brother of Emperor Xiaowu. E ...

, Chinese prince and

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 ...

(d. 403) *

Xu Xianzhi Xu Xianzhi (徐羨之) (364 – 8 February 426), courtesy name Zongwen (宗文), was a high-level official of the Chinese dynasty Liu Song, who, along with his colleagues Fu Liang and Xie Hui, deposed Emperor Shao after the death of Emperor Wu ( ...

, Chinese official and regent (d.

426 __NOTOC__ Year 426 ( CDXXVI) was a common year starting on Friday (link will display the full calendar) of the Julian calendar. At the time, it was known in Rome as the Year of the Consulship of Theodosius and Valentinianus (or, less frequentl ...

)

Deaths

–

, Roman emperor (b.

331 __NOTOC__ Year 331 (Roman numerals, CCCXXXI) was a common year starting on Friday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Bassus and Ablabius (or, less frequent ...

) *

Ge Hong Ge Hong (; b. 283 – d. 343 or 364), courtesy name Zhichuan (稚川), was a Chinese linguist, Taoist practitioner, philosopher, physician, politician, and writer during the Eastern Jin dynasty. He was the author of '' Essays on Chinese Characte ...

, Chinese scholar and

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'' ...

(b.

283 Year 283 ( CCLXXXIII) was a common year starting on Monday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Carus and Carinus (or, less frequently, year 1036 ''Ab urbe cond ...

) *

Theophilos the Indian Theophilos the Indian ( el, Θεόφιλος) (died 364), also called "the Ethiopian", was an Aetian or Heteroousian bishop who fell alternately in and out of favor with the court of the Roman emperor Constantius II. He is mentioned in the encycl ...

, Christian bishop

References

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