Information about 4th century

As a means of recording the passage of time, the 4th century (per the Julian/Gregorian calendar and Anno Domini era) was that century which lasted from 301 to 400.

Overview

In the West, the early part of the century is shaped by Constantine I, who became the first Roman emperor to convert to Christianity. Gaining sole reign of the empire, he is also noted for re-establishing a single imperial capital, choosing the site of ancient Byzantium in 330 (over of the current capitals, which had effectively been changed by Diocletian's reforms to Milan in the West, and Nicomedia in the East) to build the city soon called Nova Roma (New Rome); it was later renamed Constantinople in his honor.

Theodosius I is the last emperor to control both the eastern and western halves of the empire. As the century progresses after his death it becomes increasingly apparent that the empire has changed in many ways since the time of Augustus. The two emperor system originally established by Diocletian in the previous century falls into regular practice, and the east continues to grow in importance as a centre of trade and imperial power, while Rome itself diminishes greatly in importance due to its location far from potential trouble spots, like central Europe and the east. Late in the century Christianity becomes the official state religion, and the empire's old pagan culture begins to disappear. General Prosperity is felt throughout this period, but security problems plague the empire from AD 376 onward — recurring invasions by Germanic tribes. These early invasions mark the beginning of the end for the Western Roman Empire.

Events

Contemporary bronze head of Constantine I.

301: Armenia first to adopt Christianity as state religion
306–337: Constantine I, ends persecution of Christians in the Roman Empire, calls First Council of Nicaea, see also Constantinian shift, Constantinople becomes new seat of government (New Rome)
350: About this time the Huns begin to invade the Sassanid Empire. ^[1]
376: Visigoths appear on the Danube and are allowed entry into the Roman Empire in their flight from the Huns.
378: Battle of Adrianople. Roman army is defeated by Visigoth cavalry. Emperor Valens is killed.
378–395: Theodosius I, Roman emperor, bans pagan worship, Christianity is made the official religion of the Empire.
383: Battle of Fei River in China

Significant people

Arius, founder of Arianism
Athanasius, opponent of Arius
Saint Augustine of Hippo, theologian
Saint Ambrose, bishop of Milan
Basil of Caesarea, reformer of Christian monasticism
Julian the Apostate
Eusebius, famous Christian Church historian
Frumentius, Apostle of Ethiopia
Ge Hong, Chinese alchemist
Gu Kaizhi, Chinese painter
Ammianus Marcellinus, Roman Historian
Saint Martin of Tours
Pachomius, founder of Christian monasticism
Ulfilas, apostle of the Goths
Gwanggaeto the Great of Goguryeo, King of ancient Korean state Goguryeo who greatly expanded its territory
Tao Qian, Chinese poet

Inventions, discoveries, introductions

Kama Sutra
Codex Sinaiticus, Codex Vaticanus, earliest Christian bibles
Book of Steps, Syriac religious discourses

References

1. ^ Roberts, J: "History of the World.". Penguin, 1994.

External links

Fourth-Century Christianity Website

Decades and Years

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4th century
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Before Christ / Before Common Era (BC/BCE)
Millennium	Century
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Anno Domini / Common Era (AD/CE)
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time.

One view is that time is part of the fundamental structure of the universe, a dimension in which events occur in sequence, and time itself is something that can be measured.
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Julian calendar was a reform of the Roman calendar which was introduced by Julius Caesar in 46 BC and came into force in 45 BC (709 ab urbe condita). It was chosen after consultation with the astronomer Sosigenes of Alexandria and was probably designed to approximate the
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Gregorian calendar is the most widely used calendar in the world. A modification of the Julian calendar, it was first proposed by the Calabrian doctor Aloysius Lilius, and was decreed by Pope Gregory XIII, for whom it was named, on 24 February 1582 via the papal bull
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Anno Domini (Latin: (In)The year of (Our) Lord^[1]), abbreviated as AD or A.D., defines an epoch based on the traditionally reckoned year of the conception or birth of Jesus of Nazareth.
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century (From the Latin cent, one hundred) is one hundred consecutive years.

In all dating systems, centuries are essentially numbered ordinally. Thus, the first century of a time frame is "The First Century" and not "Century 0".

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This article is about the year 301. For the U.S. area code, see Area code 301; for other uses, see 301 (number).

For the article, see Article 301 (Turkish penal code).
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4th century · 5th century
370s 380s 390s 400s 410s 420s 430s
397 398 399 400 401 402 403
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Constantine I
Emperor of the Roman Empire

Head of Constantine's colossal statue at the Capitoline Museums
Reign 306 - 312 (hailed as Augustus in the West, officially made Caesar by Galerius with Severus as Augustus, by agreement with Maximian, refused
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Christianity

Foundations
Jesus Christ
Church Theology
New Covenant Supersessionism
Dispensationalism
Apostles Kingdom Gospel
History of Christianity Timeline
Bible
Old Testament New Testament
Books Canon Apocrypha
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This article is about the city. See also Byzantine Empire.

Byzantium (Greek: Βυζάντιον) was an ancient Greek city, which, according to legend, was founded by Greek colonists from Megara in 667 BC and named
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Diocletian
Emperor of the Roman Empire

Diocletian
Reign November 20 284 - 286 (alone);
286 - May 1 305 (as Augustus of the East, with Maximian as Augustus of the West)
Full name Gaius Aurelius Valerius Diocletianus

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MILAN (French: Missile d´infanterie léger antichar = Anti-Tank Light Infantry Missile) is a European anti-tank guided missile. Design of the MILAN started in 1962. It was ready for trials in 1971, and was accepted for service in 1972.
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Nicomedia (Greek: Νικομήδεια, modern İzmit) was founded by Nicomedes I of Bithynia at the head of the Gulf of Astacus which opens to the Propontis. In earlier antiquity, the city was called Astacus or Olbia (founded 712 BC).
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Constantinople (Greek: Κωνσταντινούπολις, Konstantinoúpolis, or Πόλις, Polis
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Theodosius I
Emperor of the Roman Empire

Coin featuring Theodosius I
Reign August 378 - 15 May 392 (emperor in the east, with Gratian and Valentinian II in the west);
15 May 392 - 17 January 395 (whole empire)
Full name
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Augustus Caesar
Emperor of the Roman Empire

Reign January 16 27 BC – August 19 AD 14
Full name Gaius Julius Caesar Octavianus
Born September 23, 63 BC
Rome, Roman Republic
Died August 19, AD 14 (age 76)
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Comune di Roma

Flag
Seal
Nickname: "The Eternal City"
Motto: "Senatus Populusque Romanus" (SPQR) (Latin)
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4th century · 5th century
340s 350s 360s 370s 380s 390s 400s
373 374 375 376 377 378 379
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The Western Roman Empire refers to the western half of the Roman Empire, from its division by Diocletian in 286; the other half of the Roman Empire became known as the Eastern Roman Empire, today widely known as the Byzantine Empire.
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This article is about the year 301. For the U.S. area code, see Area code 301; for other uses, see 301 (number).

For the article, see Article 301 (Turkish penal code).
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Motto

Մեկ Ազգ, Մեկ Մշակույթ (Armenian)
"

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state religion (also called an official religion, established church or state church) is a religious body or creed officially endorsed by the state. Practically, a state without a state religion is called a secular state.
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This article is about the year 306 AD. For other uses, see 306 (disambiguation).

3rd century · 4th century · 5th century
270s 280s 290s 300s 310s 320s 330s
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4th century · 5th century
300s 310s 320s 330s 340s 350s 360s
334 335 336 337 338 339 340
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The Roman Empire is the name given to both the imperial domain developed by the city-state of Rome and also the corresponding phase of that civilization, characterized by an autocratic form of government. This article however is about the latter.
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The First Council of Nicaea, held in Nicaea in Bithynia (present-day Iznik in Turkey), convoked by the Roman Emperor Constantine I in 325, was the first Ecumenical council^[1]
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Constantinian shift is a term used by Anabaptist and Post-Christendom theologians to describe the political and theological aspects of the 4th century process of Constantine's legitimization of Christianity.
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