__NOTOC__ Year 503 ( DIII) was a

common year starting on Wednesday A common year starting on Wednesday is any non-leap year (a year with 365 days) that begins on Wednesday, January 1, and ends on Wednesday, December 31. Its dominical letter hence is E. The current year, 2025, is a common year starting on Wedne ...

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 ...

. At the time, it was known as the Year of the Consulship of Volusianus and Dexicrates (or, less frequently, year 1256 ''

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

''). The denomination 503 for this year has been used since the early medieval period, when the

Anno Domini The terms (AD) and before Christ (BC) are used when designating years in the Gregorian calendar, Gregorian and Julian calendar, Julian calendars. The term is Medieval Latin and means "in the year of the Lord" but is often presented using "o ...

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, the current year is numbered in the Gregorian calendar, which numbers its years in the Western Christian era ...

became the prevalent method in Europe for naming years.

Events

Byzantine Empire

* War with Sassanid Persia: Emperor Anastasius I sends a Byzantine army (52,000 men) to

Armenia Armenia, officially the Republic of Armenia, is a landlocked country in the Armenian Highlands of West Asia. It is a part of the Caucasus region and is bordered by Turkey to the west, Georgia (country), Georgia to the north and Azerbaijan to ...

, but is defeated. The Romans attempt an unsuccessful

siege A siege () . is a military blockade of a city, or fortress, with the intent of conquering by attrition, or by well-prepared assault. Siege warfare (also called siegecrafts or poliorcetics) is a form of constant, low-intensity conflict charact ...

of the

Persian Persian may refer to: * People and things from Iran, historically called ''Persia'' in the English language ** Persians, the majority ethnic group in Iran, not to be conflated with the Iranic peoples ** Persian language, an Iranian language of the ...

-held city

Amida Amida can mean : Places and jurisdictions * Amida (Mesopotamia), now Diyarbakır, an ancient city in Asian Turkey; it is (nominal) seat of: ** The Chaldean Catholic Archeparchy of Amida ** The Latin titular Metropolitan see of Amida of the Ro ...

, on the

Tigris The Tigris ( ; see #Etymology, below) is the eastern of the two great rivers that define Mesopotamia, the other being the Euphrates. The river flows south from the mountains of the Armenian Highlands through the Syrian Desert, Syrian and Arabia ...

. King

Kavadh I Kavad I ( ; 473 – 13 September 531) was the Sasanian King of Kings of Iran from 488 to 531, with a two or three-year interruption. A son of Peroz I (), he was crowned by the nobles to replace his deposed and unpopular uncle Balash (). Inhe ...

invades

Osroene Osroene or Osrhoene (; ) was an ancient kingdom and region in Upper Mesopotamia. The ''Kingdom of Osroene'', also known as the "Kingdom of Edessa" ( / "Kingdom of Urhay"), according to the name of its capital city (now Urfa, Şanlıurfa, Turkey), ...

, and lays siege to the city of

Edessa Edessa (; ) was an ancient city (''polis'') in Upper Mesopotamia, in what is now Urfa or Şanlıurfa, Turkey. It was founded during the Hellenistic period by Macedonian general and self proclaimed king Seleucus I Nicator (), founder of the Sel ...

(Northern

Mesopotamia Mesopotamia is a historical region of West Asia situated within the Tigris–Euphrates river system, in the northern part of the Fertile Crescent. Today, Mesopotamia is known as present-day Iraq and forms the eastern geographic boundary of ...

). *

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 ...

– Areobindus, Byzantine general (''

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

''), is stationed as commander at

Dara Dara is a given name in several languages. Dara, Daraa, or DARA may also refer to: Geography Africa * Dar'a, region in northern Ethiopia * Dara (woreda), region in southern Ethiopia Asia * Dara (Mesopotamia), an archeological site in Mard ...

, with an army of 12,000 men to keep watch at the Persian stronghold of

Nisibis Nusaybin () is a municipality and Districts of Turkey, district of Mardin Province, Turkey. Its area is 1,079 km2, and its population is 115,586 (2022). The city is populated by Kurds of different tribal affiliation. Nusaybin is separated ...

(modern

Turkey Turkey, officially the Republic of Türkiye, is a country mainly located in Anatolia in West Asia, with a relatively small part called East Thrace in Southeast Europe. It borders the Black Sea to the north; Georgia (country), Georgia, Armen ...

Palestine

* Mundhir III, king of the

Lakhmids The Lakhmid kingdom ( ), also referred to as al-Manādhirah () or as Banū Lakhm (), was an Arab kingdom that was founded and ruled by the Lakhmid dynasty from to 602. Spanning Eastern Arabia and Sawad, Southern Mesopotamia, it existed as a d ...

(

Arab Christians Arab Christians () are the Arabs who adhere to Christianity. The number of Arab Christians who live in the Middle East was estimated in 2012 to be between 10 and 15 million. Arab Christian communities can be found throughout the Arab world, bu ...

), raids

Palaestina Salutaris Palaestina Salutaris or Palaestina Tertia was a Late Roman and Byzantine province, which covered the area of the Negev, Sinai (except the north-western coast) and south-west of Transjordan, south of the Dead Sea. The province, a part of the Dio ...

and

Arabia Petraea Arabia Petraea or Petrea, also known as Rome's Arabian Province or simply Arabia, was a frontier Roman province, province of the Roman Empire beginning in the 2nd century. It consisted of the former Nabataean Kingdom in the southern Levant, th ...

. He captures a large number of Romans.John Binns, ''Ascetics and ambassadors of Christ: the monasteries of Palestine'', 314-631. p.113; Frank R. Trombley, J. W. Watt, ''The chronicle of pseudo-Joshua the Stylite'' (the margin) p.108; Cyril of Scythopolis, ''Life of John the Hesychast'', p.211. 15-20

Europe

* King Ernakh, third son of

Attila the Hun Attila ( or ; ), frequently called Attila the Hun, was the ruler of the Huns from 434 until his death in early 453. He was also the leader of an empire consisting of Huns, Ostrogoths, Alans, and Gepids, among others, in Central and East ...

, dies after a 34-year reign. He is succeeded by his two sons ( Utigur and Kutrigur), who share the power with the unified

Bulgars The Bulgars (also Bulghars, Bulgari, Bolgars, Bolghars, Bolgari, Proto-Bulgarians) were Turkic peoples, Turkic Nomad, semi-nomadic warrior tribes that flourished in the Pontic–Caspian steppe and the Volga region between the 5th and 7th centu ...

.Priscus. In '' Excerpta de legationibus''. Ed. S. de Boor. Berolini, 1903, p. 586

Births

October 17 Events Pre-1600 * 690 – Empress Wu Zetian establishes the Zhou Dynasty of China. * 1091 – London tornado of 1091: A tornado thought to be of strength T8/F4 strikes the heart of London. * 1346 – The English capture King D ...

–

Lý Nam Đế Lý Nam Đế (chữ Hán: 李南帝, 503 – 13 April 548), personal name Lý Bí or Lý Bôn (李賁), was the founding emperor of the Early Lý dynasty of Vietnam, ruling from 544 to 548. He was originally a magistrate of the Chinese Liang dy ...

, first emperor of

Vietnam Vietnam, officially the Socialist Republic of Vietnam (SRV), is a country at the eastern edge of mainland Southeast Asia, with an area of about and a population of over 100 million, making it the world's List of countries and depende ...

(d. 548) *

December 2 Events Pre-1600 * 1244 – Pope Innocent IV arrives at Lyon for the First Council of Lyon. *1409 – The University of Leipzig opens. 1601–1900 *1697 – St Paul's Cathedral, rebuilt to the design of Sir Christopher Wren follow ...

– Xiao Gang, later Emperor Jianwen of Liang, emperor of the Chinese

Liang dynasty The Liang dynasty (), alternatively known as the Southern Liang () or Xiao Liang () in historiography, was an imperial dynasty of China and the third of the four Southern dynasties during the Northern and Southern dynasties period. It was pre ...

(killed

551 __NOTOC__ Year 551 ( DLI) was a common year starting on Sunday of the Julian calendar. The denomination 551 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for ...

) * Chen Baxian, later Emperor Wu of Chen, first emperor of the Chinese

Chen dynasty The Chen dynasty (), alternatively known as the Southern Chen (南陳 / 南朝陳) in historiography, was a Dynasties in Chinese history, Chinese imperial dynasty and the fourth and last of the Northern and Southern dynasties#Southern dynasties, ...

(d. 559)

Deaths

* Ernakh, king of the

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

References

;Bibliography * {{DEFAULTSORT:503