330s

Millennium:	1st millennium
Centuries:	3rd century – 4th century – 5th century
Decades:	300s 310s 320s – 330s – 340s 350s 360s
Years:	330 331 332 333 334 335 336 337 338 339
Categories:	Births – Deaths – Architecture Establishments – Disestablishments

This is a list of events occurring in the 330s, ordered by year.

By place

Roman Empire

• May 11 – Emperor Constantine the Great dedicates Constantinople, or Nova Roma (modern Istanbul), and moves the capital of the Roman Empire there from Rome. He has spent 4 years building the city on the site of ancient Byzantium; having chosen the site for its strategic location (a seaport with easy access to Anatolia and the Danube).
• The Goths devastate the city of Tanais in the Don River delta.

Africa

• Ezana, king of Axum, extends his area of control to the west. He defeats the Nobates, and destroys the kingdom of Meroë.

By topic

Religion

• Frumentius is the first bishop of Ethiopia (approximate date).
• Eustathius, Patriarch of Antioch, is banished to Trajanopolis.
• The Bible is translated into the Gothic language by Wulfila.
• Pagan temples are starting to be progressively abandoned, destroyed or left to fall into disrepair, save those that are transformed into Christian churches.

By place

Roman Empire

• Emperor Constantine the Great vigorously promotes Christianity, confiscating the property and valuables of a number of pagan temples throughout the Roman Empire.
• Constantine I dedicated the Church of the Holy Apostles in Constantinople.
• Constantine I promulgates a law against divorce.

By topic

Arts and sciences

• Eusebius of Caesarea writes the Onomasticon.

Religion

• Gregory the Illuminator withdraws to a small sanctuary in the Daranali province (Armenia).

By place

Roman Empire

• Emperor Constantine I and his son Constantine II, aged 16, defeat the Goths in Moesia. The Goths become Roman allies and protect the Danube frontier.
• Constantine I constructs a bridge across the Danube in order to increase trade between the Visigoths and Rome.^{[citation needed]}
• May 18 – Constantine I announces a free distribution of food to the citizens in Constantinople, similar to the food given out in the city of Rome. The amount is approximately 80,000 rations a day, doled out from 117 distribution points around the city.

By place

Roman Empire

• Flavius Dalmatius and Domitius Zenofilus are appointed consuls.
• Emperor Constantine the Great pulls back Roman troops out of Britain and abandoned work on the Hadrian's Wall.
• Calocaerus revolts against Constantine I and proclaimed himself Emperor. Flavius Dalmatius responsible for the security of the eastern frontier, is send to Cyprus to suppress the rebellion.
• December 25 – Constantine I elevates his youngest son Constans to the rank of Caesar at Constantinople.

China

• Shi Hong succeeds his father Shi Le as Emperor of the Later Zhao Empire, in the Period of the Sixteen Kingdoms.

By place

Roman Empire

• Flavius Dalmatius puts down a revolt in Cyprus led by Calocaerus. Calocaerus is brought to Tarsus (Cilicia) and executed.
• The Goths protect the Danube frontier against an invasion by the Vandals.
• Emperor Constantine the Great reauthorises gladiatorial combat.

China

• The barbarian king Che Hou reigns in China. His sons try to assassinate him, but are caught and executed.

By place

Roman Empire

• September 13 – Emperor Constantine I consecrated the Church of the Holy Sepulchre in Jerusalem.
• September 19 – Flavius Dalmatius is raised to the rank of Caesar, with control of Thracia and Macedonia.
• Hannibalianus, nephew of Constantine I, is made Rex Regum ("King of Kings of the Pontic people").
• November 7 – Athanasius is banished to Trier, on charge that he prevented the corn fleet from sailing to Constantinople.

Asia

• Samudragupta succeeds Chandragupta I as king of the Gupta Empire.
• Tuoba Hena ousts Tuoba Yihuai as chieftain of the Tuoba Clan.
• Emperor Shi Hu moves the capital of the Later Zhao state to Yecheng.

By topic

Religion

• First Synod of Tyre: Constantine I convenes a gathering of bishops at Tyre to depose and exile Athanasius, the Patriarch of Alexandria.
• Constantine I reinstated the Alexandrian priest Arius in a synod at Jerusalem. He is declared a heretic at the Council of Nicaea (see 336 AD).
• Pope Sylvester I dies at Rome after a 21-year reign. He is succeeded by Mark as the 34th pope.

By place

Roman Empire

• The military successes of Emperor Constantine I result in most of Dacia being reconquered by the Roman Empire.
• The first recorded customs tariff is in use in Palmyra.

By topic

Religion

• January 18 – Pope Mark succeeds Pope Sylvester I as the 34th pope.
• Pope Mark begins to build the basilica of San Marco, the church is devoted to St. Mark.
• Arius, Alexandrian priest, collapses in the street at Constantinople (approximate date).
• Pope Mark dies at Rome after an 11-month reign. No successor is immediately found.

By place

Roman Empire

• May 22 – Constantine the Great, first Christian Roman Emperor of the Western empire (312–324), and of the Roman Empire (324–337), dies in Achyron, near Nicomedia, at age 65 after he is baptized by Eusebius of Nicomedia.
• September 9 – Constantine II, Constantius II, and Constans I succeed their father Constantine I as co-emperors. The Roman Empire is divided between the three Augusti (see map).
• September – A number of descendants of Constantius Chlorus and officials of the Roman Empire, are executed. Responsible for a purge against the sons of Constantine I.

Persia

• King Shapur II of Persia begins a war against the Roman Empire. He sends his troops across the Tigris to recover Armenia and Mesopotamia.
• Shapur II besieged the Roman fortress of Nisibis (Syria), but is repulsed by the forces under Lucilianus.

China

Murong Huang claims the title of Prince of Yan, effectively beginning the kingdom of Former Yan.

By topic

Religion

• February 6 – A 4-month papal vacancy ends. Pope Julius I succeeds Pope Mark as the 35th pope.
• June 17 – Constantius II announces the restoration of Athanasius as Patriarch of Alexandria.
• Paul I becomes Patriarch of Constantinople.

By place

Roman Empire

• The Romans, allied with the Goths, arrive in the north of the Roman Empire to protect the Danube frontier.
• Emperor Constantius II intervenes against the Persians in Armenia.

Persia

• Shapur II, king of the Persian Empire, begins a widespread persecution of Christians. Ordering forcible conversions to the state religion, Zoroastrianism, lest the Christians disrupt his realm while he is away fighting the Romans in Armenia and Mesopotamia.

Asia

• Tuoba Yihuai, ruler of the Tuoba Dai clan, dies and is succeeded by his brother Tuoba Shiyijian.

By topic

Art

• Church of Santa Costanza, Rome, is started to be built (approximate date).

Religion

• Eusebius of Nicomedia becomes Patriarch of Constantinople after Paul I is banished.
• Non-Christians are persecuted by the Roman Empire as pagans.

By place

Roman Empire

• Emperor Constantius II hastens to his territory in the East, where a revived Persia under king Shapur II is attacking Mesopotamia. For the next 11 years the two powers engage in a war of border skirmishing with no real victor.

By topic

Religion

• Pope Julius I gives refuge at Rome to the Alexandrian patriarch Athanasius, who is deposed and expelled during the First Synod of Tyre (see 335).
• Eusebius of Nicomedia is made bishop of Constantinople while another Arian succeeds Athanasius as bishop of Alexandria under the name Gregory.

Significant people

• Constantine I
• Constantine II
• Constantius II
• Constans