Byzantine Chronicle

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About Us & About our Work
The Purpose

The "Byzantine Chronicle" web site (, is a short guide and a quick reference to the emperors of Byzantium.

This site is not about the history of the Byzantium, in general. It is, specifically, about the Byzantine Emperors. It focuses on the emperors and gives basic information about them.


The terms "Byzantine Empire" and "Byzantium" are conventionally used to describe the Greek-speaking Eastern Roman Empire during the Middle Ages, centred at its capital in Constantinople.

These terms derive from the original Greek name for Constantinople; Byzantion. The name is ancient, but the Byzantines themselves never used the terms "Byzantine" and "Byzantium", at least not with the meaning that they have today.
The term "Byzantine" was invented in 1557, about a century after the fall of Constantinople, by the German historian Hieronymus Wolf, who introduced it in his work Corpus Historiae Byzantinae in order to distinguish ancient Roman from medieval Greek history.

The Byzantine Epoch

The end of the Byzantine empire came on the 29th May 1453.
This is quite clear.

There is no consensus, however, on the starting date of the Byzantine period.
Usually, the story of Byzantium starts with Constantine the Great. Some sources place it during the reign of Theodosius I (379-395) and the triumph of Christianity, or with the division of the empire into Western and Eastern parts after his death. Others place it yet further in 476, when the last western emperor, Romulus Augustus, was forced to abdicate, thus leaving to the emperor in the Greek East sole imperial authority.
Other proposed starting points are the reigns of Diocletian (284-305), of Justinian and of Heraklios.

The fact is that the process of Hellenization and Christianization, which transformed the Roman Empire into the Byzantine one, started gradually in the days of Diocletian, was dramatically advanced by the decisions of Constantine the Great, was accelerated after Theodosius I and was concluded during the reign of Heraklios

In this site, we follow the most common assumption: Byzantium begins in 330 A.D., the year that Constantinople became the new capital of the Roman Empire.

So, the chronology of the site covers the period 330 to 1453: A total of 1123 years.

Historical periods

The history of Byzantium is typically separated in 3 periods:

- Early Byzantium  (330-610)

- Middle Byzantium (610-1204)

- Late Byzantium    (1204-1453)

Sometimes the 57 years of the Nicean empire (1204-1268) are considered as a separate period or sub-period.

In this site, the division in historical periods is based on the most common division in early-middle-late and, in addition, for easier navigation, the middle period is broken in two parts. So the main page for the emperors refers to the following periods:

  • Early Byzantium   (332-610)
  • Mid Byzantium I  (610-963)
  • Mid Byzantium II (963-1203)
  • Late Byzantium  (1204-1453)

The content

The purpose of the Byzantine Chronicle is to give a quick look to all the Byzantine emperors.
The main view is the page "Byzantine Emperors" ( which contains, in chronological order, a concise record of information for each Byzantine emperor.

The concept of the presentation is to show one dedicated web page with full data for each emperor.

Except from the main view, there are other views of the same information in different presentations, like the Time-line, the Classification of Emperors, the Plain-list, the Maps page.
In addition to the quick reference views, there are 3 other groups of pages in the site:

  • The Battles: a presentation of all the important battles of Byzantium.
  • The Statistics: pages with numbers and statistics derived from the imperial data.
  • The Bits & Pieces: a section with various information modules related to the emperors: Deaths, Scandals, Nicknames, Succession stories, marriages etc.
The Emperors' serial number

The serial numbers shown in the upper right corner on the record sheet for each emperor do not follow any official standard numbering system for the Byzantine rulers. You will not find them in any other source.

Their purpose is to facilitate navigation in this site only.

Who are "we"

My name is Manolis Papathanassiou. I am an engineer and a Web designer.

Another relevant project of mine:   Kastrologos   about all the medieval castles of Greece.

And a less relevant project:   The Presidents of USA