-
The Roman empire is split into the Western and Eastern Roman empires.
-
Roman emperor Constantine I tolerates Christianity
-
Constantinople is founded on the site of old Byzantium as “the new Rome.”
-
Roman emperor Julian attempts to revive Paganism.
-
The Visigoths are fleeing the Huns, entering the Eastern Roman Empire.
-
The Goths defeat Emperor Valens is near Adrianople.
-
Emperor Theodosius closes pagan temples.
-
Byblos is a colony of the Byzantine Empire (formerly known as the Eastern Roman Empire).
-
Reign of Byzantine emperor Arkadios.
-
Reign of Byzantine Emperor Thedosius II.
-
The Theodosian Walls are built to better protect Constantinople.
-
Reign of Byzantine emperor Marcian.
-
Leo I is crowned by the Patriarch of Constantinople, the first Byzantine emperor to be crowned by a bishop.
-
Reign of Byzantine emperor Leo I.
-
The Byzantine Empire builds the Anastasian Wall.
-
Byzantine emperor Anastasios I introduces the copper follis coin (288 are worth one gold nomisma).
-
Byzantine emperor Anastasios I builds the Long Wall in Thrace to protect Constantinople.
-
Byzantine emperor Anastasios I abolishes the chrysargyron, an unpopular tax on business transactions.
-
A peace treaty is signed between the Byzantine Empire and the Persians.
-
Vitalian leads a revolt in Byzantine Thrace.
-
Reign of Byzantine emperor Justin I.
-
Reign of Byzantine Emperor Justinian I.
-
The Byzantine Empire controls Egypt.
-
The Vandal War launched
aimed at reconquering Africa from the Vandals. -
Justinian of the Byzantine Empire conquers the Vandal kingdom in Africa.
-
Rome falls to Belisarius.
-
The Byzantine Empire conquers Italy.
-
Byzantine Empire conquers southern Iberia.
-
Reign of Byzantine emperor Justin II.
-
Reign of Byzantine emperor Tiberius II
-
Reign of Byzantine emperor Maurice.
-
Reign of Byzantine emperor Phocas.
-
East Rome defeats Sasanian Persia.
-
Reign of Byzantine emperor Heraclius.
-
Byzantine emperor Heraclius wins a crushing victory over the Persian army at Nineveh.
-
Byzantine Empire re-takes Alexandria, Egypt, from the Persians.
-
A Byzantine army is crushed by an Arab force at the battle of Yarmuk.
-
Muslim invasion of the Levant. The Byzantines are driven out.
-
Reign of Byzantine emperor Constans II.
-
Byzantine Alexandria falls to the Arab Caliphate.
-
Byzantine Crete, Kos and Rhodes fall to the Arab Caliphate.
-
A peace treaty is signed between the Byzantine Empire and the Arab Caliphate.
-
Byzantine emperor Justinian II mints the first coins to depict Jesus Christ.
-
Pope Constantine visits Constantinople at the invitation of Byzantine emperor Justinian II.
-
Greek Fire is used by Byzantine ships to attack an Arab fleet besieging Constantinople.
-
The Arab Caliphate defeats a Byzantine army and captures the cities of Ankara and Amorion.