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395
Division of the Theodosius
With the death of Theodosius in 395, the Roman Empire was divided once more between his two sons. Arcadius, the older son, inherited the East and the imperial capital of Constantinople, and Honorius inherited the West. -
476
End of Western Roman Empire
The Western Roman Empire collapsed in 476, and the Western imperial court in Ravenna was formally dissolved by Justinian in 554. The Eastern imperial court survived until 1453.
Finally, in 476, the Germanic leader Odoacer staged a revolt and deposed the Emperor Romulus Augustulus. From then on, no Roman emperor would ever again rule from a post in Italy, leading many to cite 476 as the year the Western Empire suffered its deathblow. -
Period: 527 to 565
Justinian’s rule
Justinian I served as emperor of the Byzantine Empire from 527 to 565. Justinian is best remembered for his work as a legislator and codifier. During his reign, Justinian reorganized the government of the Byzantine Empire and enacted several reforms to increase accountability and reduce corruption. -
726
Worship of religious images is banned
In 726 the Byzantine emperor Leo III took a public stand against the perceived worship of icons, and in 730 their use was officially prohibited. This opened a persecution of icon venerators that was severe in the reign of Leo's successor, Constantine V (741–775). -
1054
East-West Schism
The East–West Schism was the break of communion which occurred in the 11th century between the Catholic Church and Eastern Orthodox Church. https://www.britannica.com/event/East-West-Schism-1054 -
1203
First conquest of Constantinople by the crusaders
The sack of Constantinople occurred in April 1204 and marked the culmination of the Fourth Crusade. Crusader armies captured, looted, and destroyed parts of Constantinople, then the capital of the Byzantine Empire. -
1453
The Turks capture Constantinople, End of the Byzantine empire
Fall of Constantinople, (May 29, 1453), conquest of Constantinople by Sultan Mehmed II of the Ottoman Empire. The dwindling Byzantine Empire came to an end when the Ottomans breached Constantinople's ancient land wall after besieging the city for 55 days.