__NOTOC__ Year 378 ( CCCLXXVIII) was a

common year starting on Monday A common year starting on Monday is any non-leap year (i.e., a year with 365 days) that begins on Monday, 1 January, and ends on Monday, 31 December. Its dominical letter hence is G. The most recent year of such kind was 2018 and the next one wi ...

(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 Valens and Augustus (or, less frequently, year 1131 ''

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 378 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

* Spring – Emperor

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 ...

returns 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 (" ...

and mobilises an army (40,000 men). He appoints

Sebastianus Sebastianus (died 413), a brother of Jovinus, was an aristocrat of southern Gaul. After Jovinus usurped the throne of the western Roman Emperor Honorius in Gaul in 411, he named Sebastianus as Augustus (co-emperor) in 412. Coins bearing Sebastia ...

, newly arrived from Italy, as ''

magister militum (Latin for "master of soldiers", plural ) was a top-level military command used in the later Roman Empire, dating from the reign of Constantine the Great. The term referred to the senior military officer (equivalent to a war theatre commander, ...

'' to reorganize the Roman armies in

Thrace Thrace (; el, Θράκη, Thráki; bg, Тракия, Trakiya; tr, Trakya) or Thrake is a geographical and historical region in Southeast Europe, now split among Bulgaria, Greece, and Turkey, which is bounded by the Balkan Mountains to t ...

. *

February February is the second month of the year in the Julian and Gregorian calendars. The month has 28 days in common years or 29 in leap years, with the 29th day being called the ''leap day''. It is the first of five months not to have 31 days (th ...

– The

Lentienses The Lentienses ( German ''Lentienser'') were a 4th-century Germanic tribe associated with the Alemanni, in the region between the river Danube in the North, the river Iller in the East, and Lake Constance in the South, in what is now southern Germ ...

(part of the

Alemanni The Alemanni or Alamanni, were a confederation of Germanic tribes * * * on the Upper Rhine River. First mentioned by Cassius Dio in the context of the campaign of Caracalla of 213, the Alemanni captured the in 260, and later expanded into pres ...

) cross the frozen

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

and raid the countryside. They are driven back by Roman ''

auxilia palatina ''Auxilia palatina'' (sing. ''auxilium palatinum'') were infantry units of the Late Roman army, first raised by Constantine I as part of the new field army he created in about 325 AD. Some of the senior and probably oldest of these units had speci ...

'' (Celtae and

Petulantes ''Petulantes'' was an ''auxilia palatina'' of the Late Roman army. History It is possible they fought in the Battle of the Milvian Bridge for Emperor Constantine I (312). This assumption is based on the fact that Constantine had possibly had th ...

), who defend the western frontier. *

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

–

Battle of Argentovaria The Battle of Argentovaria or Battle of Argentaria was fought in May 378 between the Western Roman Empire and the invading army of the Lentienses, a branch of the Alemanni, at Argentovaria (near Colmar, France). The Alemanni were overwhelmed b ...

: Emperor

Gratian Gratian (; la, Gratianus; 18 April 359 – 25 August 383) was emperor of the Western Roman Empire from 367 to 383. The eldest son of Valentinian I, Gratian accompanied his father on several campaigns along the Rhine and Danube frontiers and wa ...

is forced to recall the army he has sent East. The Lentienses are defeated by

Mallobaudes Mallobaudes or Mellobaudes was a 4th-century Frankish king who also held the Roman title of ''comes domesticorum''. In 354 he was a ''tribunus armaturarum'' in the Roman army in Gaul, where he served under Silvanus, who usurped power in 355. Mall ...

near

Colmar Colmar (, ; Alsatian: ' ; German during 1871–1918 and 1940–1945: ') is a city and commune in the Haut-Rhin department and Grand Est region of north-eastern France. The third-largest commune in Alsace (after Strasbourg and Mulhouse), it is ...

(

France France (), officially the French Republic ( ), is a country primarily located in Western Europe. It also comprises of Overseas France, overseas regions and territories in the Americas and the Atlantic Ocean, Atlantic, Pacific Ocean, Pac ...

). Gratian gains the title ''Alemannicus Maximus''. * Gothic War: Valens sends Sebastian with a body of picked troops (2,000 men) to Thrace and renews the

guerrilla war Guerrilla warfare is a form of irregular warfare in which small groups of combatants, such as paramilitary personnel, armed civilians, or irregulars, use military tactics including ambushes, sabotage, raids, petty warfare, hit-and-run tactic ...

against the

Goths The Goths ( got, 𐌲𐌿𐍄𐌸𐌹𐌿𐌳𐌰, translit=''Gutþiuda''; la, Gothi, grc-gre, Γότθοι, Gótthoi) were a Germanic people who played a major role in the fall of the Western Roman Empire and the emergence of medieval Europe ...

. He chases down small groups of Gothic raiders around

Adrianople Edirne (, ), formerly known as Adrianople or Hadrianopolis (Greek: Άδριανούπολις), is a city in Turkey, in the northwestern part of the province of Edirne in Eastern Thrace. Situated from the Greek and from the Bulgarian borders, ...

. *

Fritigern Fritigern (fl. 370s) was a Thervingian Gothic chieftain whose decisive victory at Adrianople during the Gothic War (376–382) led to favourable terms for the Goths when peace was made with Gratian and Theodosius I in 382. Name ''Fritigern'' appe ...

concentrates his army at

Cabyle Cabyle or Kabyle ( grc, Καβύλη), also known as Calybe or Kalybe (Καλύβη), is a town in the interior of ancient Thrace, west of Develtus, on the river Tonsus. The town later bore the names of Diospolis (Διὸς Πόλις), and Goloë ...

(

Bulgaria Bulgaria (; bg, България, Bǎlgariya), officially the Republic of Bulgaria,, ) is a country in Southeast Europe. It is situated on the eastern flank of the Balkans, and is bordered by Romania to the north, Serbia and North Macedon ...

). The Goths are mainly centred in the river valleys south of the

Balkan Mountains The Balkan mountain range (, , known locally also as Stara planina) is a mountain range in the eastern part of the Balkan Peninsula in Southeastern Europe. The range is conventionally taken to begin at the peak of Vrashka Chuka on the border betw ...

, around the towns of

Beroea Beroea (or Berea) was an ancient city of the Hellenistic period and Roman Empire now known as Veria (or Veroia) in Macedonia, Northern Greece. It is a small city on the eastern side of the Vermio Mountains north of Mount Olympus. The town is menti ...

, Cabyle and Dibaltum. *

July July is the seventh month of the year in the Julian and Gregorian calendars and is the fourth of seven months to have a length of 31 days. It was named by the Roman Senate in honour of Roman general Julius Caesar in 44 B.C., it being the mont ...

– Frigeridus, Roman general, fortifies the Succi (

Ihtiman Ihtiman ( bg, Ихтиман ) is a town in western Bulgaria, part of Sofia Province. It is located in the Ihtimanska Sredna Gora mountains and lies in a valley 48 km from Sofia and 95 km from Plovdiv, close to the Trakiya motorway. For ...

) Pass to prevent the "barbarians" from breaking out to the north-west (

Pannonia Pannonia (, ) was a province of the Roman Empire bounded on the north and east by the Danube, coterminous westward with Noricum and upper Italy, and southward with Dalmatia and upper Moesia. Pannonia was located in the territory that is now wes ...

). * Gratian sets out from

Lauriacum Map of the Danubeian Limes. Reconstruction of the camp and adjoining oppidium.Lauriacum was an important legionary Roman town on the Danube Limes in Austria. History Roman Era Where only a small Roman settlement was located at a ford over the ...

(

Austria Austria, , bar, Östareich officially the Republic of Austria, is a country in the southern part of Central Europe, lying in the Eastern Alps. It is a federation of nine states, one of which is the capital, Vienna, the most populous ...

) with a body of light armed troops. His force is small enough to travel by boat down 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 ...

. He halts for four days at

Sirmium Sirmium was a city in the Roman province of Pannonia, located on the Sava river, on the site of modern Sremska Mitrovica in the Vojvodina autonomous provice of Serbia. First mentioned in the 4th century BC and originally inhabited by Illyrians an ...

(

Serbia Serbia (, ; Serbian language, Serbian: , , ), officially the Republic of Serbia (Serbian language, Serbian: , , ), is a landlocked country in Southeast Europe, Southeastern and Central Europe, situated at the crossroads of the Pannonian Bas ...

) suffering from

fever Fever, also referred to as pyrexia, is defined as having a body temperature, temperature above the human body temperature, normal range due to an increase in the body's temperature Human body temperature#Fever, set point. There is not a single ...

. *

August August is the eighth month of the year in the Julian and Gregorian calendars, and the fifth of seven months to have a length of 31 days. Its zodiac sign is Leo and was originally named ''Sextilis'' in Latin because it was the 6th month in ...

– Gratian continues down the Danube to the "Camp of Mars" (frontier

fortress A fortification is a military construction or building designed for the defense of territories in warfare, and is also used to establish rule in a region during peacetime. The term is derived from Latin ''fortis'' ("strong") and ''facere'' ...

near modern

Niš Niš (; sr-Cyrl, Ниш, ; names in other languages) is the third largest city in Serbia and the administrative center of the Nišava District. It is located in southern part of Serbia. , the city proper has a population of 183,164, while ...

), where he loses several men in an

ambush An ambush is a long-established military tactics, military tactic in which a combatant uses an advantage of concealment or the element of surprise to attack unsuspecting enemy combatants from concealed positions, such as among dense underbru ...

by a band of

Alans The Alans (Latin: ''Alani'') were an ancient and medieval Iranian nomadic pastoral people of the North Caucasus – generally regarded as part of the Sarmatians, and possibly related to the Massagetae. Modern historians have connected the Al ...

. * Fritigern strikes south from Cabyle, following the

Tundzha River The Tundzha ( bg, Тунджа , tr, Tunca , el, Τόνζος ) is a river in Bulgaria and Turkey (known in antiquity as the Tonsus) and the most significant tributary of the Maritsa, emptying into it on Turkish territory near Edirne. The rive ...

towards Adrianople, and tries to get behind the supply lines to Constantinople. * Roman

reconnaissance In military operations, reconnaissance or scouting is the exploration of an area by military forces to obtain information about enemy forces, terrain, and other activities. Examples of reconnaissance include patrolling by troops (skirmisher ...

detects the Goths. Valens, already west of Adrianople, turns back and establishes a fortified camp outside the city. * The Goths, with their

wagon A wagon or waggon is a heavy four-wheeled vehicle pulled by draught animals or on occasion by humans, used for transporting goods, commodities, agricultural materials, supplies and sometimes people. Wagons are immediately distinguished from ...

s and families vulnerable to attack, withdraw back to the north. Roman scouts fail to detect the

Greuthungi The Greuthungi (also spelled Greutungi) were a Gothic people who lived on the Pontic steppe between the Dniester and Don rivers in what is now Ukraine, in the 3rd and the 4th centuries. They had close contacts with the Tervingi, another Gothic pe ...

cavalry

foraging Foraging is searching for wild food resources. It affects an animal's Fitness (biology), fitness because it plays an important role in an animal's ability to survive and reproduce. Optimal foraging theory, Foraging theory is a branch of behaviora ...

further up the Tundzha valley. * Fritigern sends a Christian

priest A priest is a religious leader authorized to perform the sacred rituals of a religion, especially as a mediatory agent between humans and one or more deities. They also have the authority or power to administer religious rites; in particu ...

to the Roman camp with an offer of terms and a letter for Valens. The peace overtures are rejected. *

August 9 Events Pre-1600 *48 BC – Caesar's Civil War: Battle of Pharsalus: Julius Caesar decisively defeats Pompey at Pharsalus and Pompey flees to Egypt. * 378 – Gothic War: Battle of Adrianople: A large Roman army led by Emperor Valens ...

–

Battle of Adrianople The Battle of Adrianople (9 August 378), sometimes known as the Battle of Hadrianopolis, was fought between an Eastern Roman army led by the Eastern Roman Emperor Valens and Gothic rebels (largely Thervings as well as Greutungs, non-Gothic Ala ...

: A large

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 ...

is defeated by the

Thervingi The Thervingi, Tervingi, or Teruingi (sometimes pluralised Tervings or Thervings) were a Goths, Gothic people of the plains north of the Lower Danube and west of the Dniester River in the 3rd and the 4th centuries. They had close contacts with ...

. Valens is killed along with two-thirds of his army. * The Goths attack Adrianople; they attempt to scale the

city walls A defensive wall is a fortification usually used to protect a city, town or other settlement from potential aggressors. The walls can range from simple palisades or earthworks to extensive military fortifications with towers, bastions and gates ...

with ladders but are repelled by the defenders, who drop lumps of

masonry Masonry is the building of structures from individual units, which are often laid in and bound together by mortar; the term ''masonry'' can also refer to the units themselves. The common materials of masonry construction are bricks, building ...

. * The Goths, supported by the

Huns The Huns were a nomadic people who lived in Central Asia, the Caucasus, and Eastern Europe between the 4th and 6th century AD. According to European tradition, they were first reported living east of the Volga River, in an area that was part ...

, move on to Constantinople. Their progress is checked by 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 ...

s, recruited from

Arab The Arabs (singular: Arab; singular ar, عَرَبِيٌّ, DIN 31635: , , plural ar, عَرَب, DIN 31635: , Arabic pronunciation: ), also known as the Arab people, are an ethnic group mainly inhabiting the Arab world in Western Asia, ...

tribes who control the eastern fringes of the empire. * October – The Greuthungi, faced with food shortages, split off and move west into Pannonia. Followed by their families, they raid villages and farmland.

Mesoamerica

* Siyaj K'ak' begins to replace

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 populat ...

n kings with relatives of

Spearthrower Owl "Spearthrower Owl" is the name commonly given to a Mesoamerican personage from the Early Classic period, who is identified in Maya inscriptions and iconography. Mayanist David Stuart has suggested that Spearthrower Owl was a ruler of Teotihuacan ...

, emperor of

Teotihuacan Teotihuacan (Spanish language, Spanish: ''Teotihuacán'') (; ) is an ancient Mesoamerican city located in a sub-valley of the Valley of Mexico, which is located in the State of Mexico, northeast of modern-day Mexico City. Teotihuacan is ...

. * Siyaj K'ak' conquers

Waka Waka may refer to: Culture and language * Waka (canoe), a Polynesian word for canoe; especially, canoes of the Māori of New Zealand ** Waka ama, a Polynesian outrigger canoe ** Waka hourua, a Polynesian ocean-going canoe ** Waka taua, a Māori w ...

on January 8. * Siyaj K'ak' conquers

Tikal Tikal () (''Tik’al'' in modern Mayan orthography) is the ruin of an ancient city, which was likely to have been called Yax Mutal, found in a rainforest in Guatemala. It is one of the largest archeological sites and urban centers of the pre-Co ...

on January 16. * Siyaj K'ak' conquers

Uaxactun Uaxactun (pronounced ) is an ancient sacred place of the Maya civilization, located in the Petén Basin region of the Maya lowlands, in the present-day department of Petén, Guatemala. The site lies some north of the major center of Tikal. The ...

By topic

Architecture

* Valens completes the aqueduct of Constantinople begun by

Constantine I Constantine I ( , ; la, Flavius Valerius Constantinus, ; ; 27 February 22 May 337), also known as Constantine the Great, was Roman emperor from AD 306 to 337, the first one to Constantine the Great and Christianity, convert to Christiani ...

Religion

Gregory of Nazianzus Gregory of Nazianzus ( el, Γρηγόριος ὁ Ναζιανζηνός, ''Grēgorios ho Nazianzēnos''; ''Liturgy of the Hours'' Volume I, Proper of Saints, 2 January. – 25 January 390,), also known as Gregory the Theologian or Gregory N ...

is ordained

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 ca ...

of Constantinople. *

Pope Damasus I Pope Damasus I (; c. 305 – 11 December 384) was the bishop of Rome from October 366 to his death. He presided over the Council of Rome of 382 that determined the canon or official list of sacred scripture. He spoke out against major heresies ( ...

is accused of

adultery Adultery (from Latin ''adulterium'') is extramarital sex that is considered objectionable on social, religious, moral, or legal grounds. Although the sexual activities that constitute adultery vary, as well as the social, religious, and legal ...

but is exonerated by Gratian.

Births

Germanus of Auxerre Germanus of Auxerre ( la, Germanus Antissiodorensis; cy, Garmon Sant; french: Saint Germain l'Auxerrois; 378 – c. 442–448 AD) was a western Roman clergyman who was bishop of Autissiodorum in Late Antique Gaul. He abandoned a career as a h ...

, Christian bishop (approximate date)

Deaths

, Roman general (''

magister peditum (Latin for "master of soldiers", plural ) was a top-level military command used in the later Roman Empire, dating from the reign of Constantine the Great. The term referred to the senior military officer (equivalent to a war theatre commander, ...

'') **

Traianus Trajan ( ; la, Caesar Nerva Traianus; 18 September 539/11 August 117) was Roman emperor from 98 to 117. Officially declared ''optimus princeps'' ("best ruler") by the senate, Trajan is remembered as a successful soldier-emperor who presid ...

, Roman general (''

'') **

, Roman consul and emperor (b. 328) * Flavius Arintheus, Roman politician and general *

Titus of Bostra Titus of Bostra (died c. 378) was a Christian theologian and bishop. Sozomen names Titus among the great men of the time of Constantius. Life Sozomen also tells of a mean trick played upon Titus by Julian the Apostate. It was expected that the ...

, Christian bishop and theologian

References

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