* 527 – Byzantine Emperor Justin I names his nephew Justinian I as co-ruler and successor to the throne.

She may have been the niece of King Theodoric and betrothed to Audoin through the mediation of Emperor Justinian.

The Emperor Justinian forbade the use of abbreviations in the compilation of the " Digest " and afterwards extended his prohibition to all other writings.

* 529 – First draft of the Corpus Juris Civilis ( a fundamental work in jurisprudence ) is issued by Eastern Roman Emperor Justinian I.

During the Samaritan revolt of 529, Bethlehem was sacked and its walls and the Church of the Nativity destroyed, but they were rebuilt on the orders of the Emperor Justinian I.

In the sixth century, the Byzantine Emperor Justinian oversaw the consolidation of Roman civil law.

* 532 – Byzantine Emperor Justinian I orders the building of a new Orthodox Christian basilica in Constantinople – the Hagia Sophia.

The laws ( novellae ) of the Emperor Justinian I ( r. 527 – 565 ) treat Hesychast and anchorite as synonyms, making them interchangeable terms.

Isidore of Miletus was one of the two main Byzantine Greek architects ( Anthemius of Tralles was the other ) that Emperor Justinian I commissioned to design the church of Hagia Sophia in Constantinople from 532-537A. D.

Isidore of Miletus was a renowned scientist and mathematician before Emperor Justinian I hired him, “ Isidorus taught stereometry and physics at the universities, first of Alexandria then of Constantinople, and wrote a commentary on an older treatise on vaulting .” Emperor Justinian I appointed his architects to rebuild the Hagia Sophia following his victory over protesters within the capital city of his Roman Empire, Constantinople.

Emperor Justinian I ensured that his new structure would not be burned down, like its predecessors, by commissioning architects that would build the church mainly out of stone, rather than wood, “ He compacted it of baked brick and mortar, and in many places bound it together with iron, but made no use of wood, so that the church should no longer prove combustible .”

Isidore of Miletus and Anthemius of Tralles originally planned on a main hall of the Hagia Sophia that measured 230 feet by 250 feet, making it the largest church in Constantinople, but the original dome was nearly 20 feet lower than it was constructed, “ Justinian suppressed these riots and took the opportunity of marking his victory by erecting in 532-7 the new Hagia Sophia, one of the largest, most lavish, and most expensive buildings of all time .” Although Isidore of Miletus and Anthemius of Tralles were not formally educated in architecture, they were scientists that could organize the logistics of drawing thousands of laborers and unprecedented loads of rare raw materials from around the Roman Empire to create the Hagia Sophia for Emperor Justinian I.

Justinian I () (, ) ( c. 482 – 14 November 565 ), commonly known as Justinian the Great, was Byzantine Emperor from 527 to 565.

When Emperor Anastasius died in 518, Justin was proclaimed the new Emperor, with significant help from Justinian.

Justinian showed much ambition, and it has been thought that he was functioning as virtual regent long before Justin made him associate Emperor on 1 April 527, although there is no conclusive evidence for this.

Justinian would have, in earlier times, been unable to marry her because of her class, but his uncle Emperor Justin I had passed a law allowing intermarriage between social classes.

While the crowd was rioting in the streets, Justinian considered fleeing the capital, but he remained in the city on the stirring words of Theodora ( according to Procopius, she said " For an Emperor to become a fugitive is not a thing to be endured ... I hold with the old saying that the purple makes an excellent shroud ".

There he was offered the title of Western Roman Emperor by the Ostrogoths at the same time that envoys of Justinian were arriving to negotiate a peace which would leave the region north of the Po River in Gothic hands.

Emperor Justinian reconquered many former territories of the Western Roman Empire, including Italy, Dalmatia, Africa, and southern Hispania.

* 681 – Bulgaria is founded as a Khanate on the south bank of the Danube after defeating the Byzantine armies of Emperor Constantine IV south of the Danube delta.

* 1091 – Battle of Levounion: The Pechenegs are defeated by Byzantine Emperor Alexius I.

* 1018 – Byzantine general Eustathios Daphnomeles blinds and captures Ibatzes of Bulgaria by a ruse, thereby ending Bulgarian resistance against Emperor Basil II's conquest of Bulgaria.

* Alexander, Byzantine Emperor ( 912 – 913 )

* Alexander ( emperor ), Byzantine Emperor ( 912 – 913 )

Alexios II Komnenos or Alexius II Comnenus () ( 10 September 1169 – 24 September 1183, Constantinople ), Byzantine emperor ( 1180 – 1183 ), was the son of Emperor Manuel I Komnenos and Maria, daughter of Raymond, prince of Antioch.

Alexios III Angelos () ( c. 1153 – 1211 ) was Byzantine Emperor from 1195 to 1203.

Alexios V Doukas, surnamed Mourtzouphlos (, d. December 1205, Constantinople ) was Byzantine Emperor ( 5 February – 12 April 1204 ) during the second and final siege of Constantinople by the participants of the Fourth Crusade.

He was the last Byzantine Emperor to reign in Constantinople before the establishment of the Latin Empire, which controlled the city for the next 57 years, until it was recovered by the Nicaean Emperor Michael VIII Palaiologos.

* Anastasius I ( emperor ) ( 430 – 518 ), Roman ( Byzantine ) Emperor from 491 to 518

In spite of several not insignificant reverses at the hands of Bulgarians, Serbians, and Ottomans, the Emperor had provided the Empire with active leadership, had cooperated with able administrators, and had come closer than any of his predecessors in re-establishing Byzantine control over the Greek peninsula.

Andronikos I Komnenos ( or Andronicus I Comnenus, ; c. 1118 – September 12, 1185 ) was Byzantine Emperor from 1183 to 1185 ).

However, as Andronikos ' rule went on, the Emperor became increasingly paranoid and violent – in September 1185, Andronikos ordered the execution of all prisoners, exiles and their families for collusion with the invaders – and the Byzantine Empire descended into a terror state.

* 475 – Byzantine Emperor Basiliscus issues a circular letter ( Enkyklikon ) to the bishops of his empire, supporting the Monophysite christological position.

Arcadius (; ; 377 / 378 – 1 May 408 ) was the Byzantine Emperor from 395 until his death in 408.

This could be either the normal military dress, with a tunic to about the knees, armour breastplate and pteruges, but also often the specific dress of the bodyguard of the Byzantine Emperor, with a long tunic and the loros, a long gold and jewelled pallium restricted to the Imperial family and their closest guards.

* 491 – Flavius Anastasius becomes Byzantine Emperor, with the name of Anastasius I.

According to the work De Administrando Imperio written by the 10th-century Byzantine Emperor Constantine VII, the Croats had arrived in what is today Croatia in the early 7th century, however that claim is disputed and competing hypotheses date the event between the 6th and the 9th centuries.

At the Istanbul Archaeological Museum a marble plate contains a law by the Byzantine Emperor Anastasius I ( 491-518 AD ), that regulated fees for passage through the customs office of the Dardanelles ( see image to the right ).

* 1025 – Basil II, Byzantine Emperor ( b. 958 )

* 627 – Battle of Nineveh: A Byzantine army under Emperor Heraclius defeats Emperor Khosrau II's Persian forces, commanded by General Rhahzadh.

* 467 – Anthemius is elevated to Emperor of the Western Roman Empire.

* 313 – Battle of Tzirallum: Emperor Licinius defeats Maximinus II and unifies the Eastern Roman Empire.

* 1806 – Francis II, the last Holy Roman Emperor, abdicates ending the Holy Roman Empire.

* 286 – Emperor Diocletian elevates his general Maximian to co-emperor with the rank of Augustus and gives him control over the Western regions of the Roman Empire.

Constantine's son Constantius II, who had become Emperor of the eastern part of the Empire, actually encouraged the Arians and set out to reverse the Nicene creed.

Augustus (, September 23, 63 BC – August 19, 14 AD ) was the founder of the Roman Empire and its first Emperor, ruling from 27 BC until his death in 14 AD.

* 1346 – Dušan the Mighty is proclaimed Emperor, with the Serbian Empire occupying much of the Balkans.

Although the western Emperor Gratian held orthodox belief in the Nicene creed, the younger Valentinian II, who became his colleague in the Empire, adhered to the Arian creed.

The distinction of a Knight Commander of the Indian Empire was conferred upon him by Queen Victoria in 1897 ( and later Knight Grand Commander in 1902 by Edward VII ) and he received like recognition for his public services from the German Emperor, the Sultan of Turkey, the Shah of Persia and other potentates.

When the Emperor Henry I died on 11 July 1216, Andrew was planning to acquire the imperial throne, but the barons of the Latin Empire proclaimed his father-in-law, Peter of Courtenay their emperor.

February 1215: Yolanda de Courtenay ( c. 1200 – 1233 ), daughter of Peter I, Emperor of the Latin Empire and his second wife, Yolanda I, Empress of the Latin Empire

* Manuel Komnenos ( born 1145 ), who married Rusudan of Georgia and was the father of Emperor Alexios I and David Komnenos, the founders of the Empire of Trebizond

Many who side with this view disagree that Luke portrays Christianity or the Roman Empire as harmless and thus reject the apologetic view because “ Acts does not present Christians as politically harmless or law abiding for there are a large number of public controversies concerning Christianity, particularly featuring Paul .” For example, to support this view Cassidy references how Paul is accused of going against the Emperor because he is “ saying that there is another king named Jesus .” ( Acts 17: 7 ) Furthermore, there are multiple examples of Paul ’ s preaching causing uprisings in various cities ( Acts 14: 2 ; 14: 19 ; 16: 19-23 ; 17: 5 ; 17: 13-14 ; 19: 28-40 ; 21: 27 ).

Axayacatl ( ( the name means " Water-mask " or " Water-face ") was the sixth Aztec Emperor, a ruler ( tlatoani ) of the Postclassic Mesoamerican Aztec Empire and city of Tenochtitlan, who reigned from 1469 to 1481.

The strategic significance of the strait was one of the factors in the decision of the Roman Emperor Constantine the Great to found there in AD 330 his new capital, Constantinople, which came to be known as the capital of the Eastern Roman Empire.

Figures such as Benedict of Aniane were authorized by the Emperor Louis the Pious and his successors to promote its adoption by monasteries throughout the Holy Roman Empire.

The Italian language version of the disputed article 17 of the treaty stated that the Emperor of Ethiopia consented ( i. e. was required ) to Italy representing Ethiopia in its relations with all foreign sovereigns and states, which made the Ethiopian Empire a protectorate of the Kingdom of Italy.

The Golden Bull of 1356 was a decree issued by a Reichstag in Nuremberg headed by Emperor Charles IV that fixed, for a period of more than four hundred years, an important aspect of the constitutional structure of the Holy Roman Empire.

Some notable collectors were Pope Boniface VIII, Emperor Maximilian of the Holy Roman Empire, Louis XIV of France, Ferdinand I, Henry IV of France and Elector Joachim II of Brandenburg, who started the Berlin Coin Cabinet ( German: Münzkabinett Berlin ).

On 4 December 1976, the republic became a monarchy — the Central African Empire — with the promulgation of the imperial constitution and the proclamation of the president as Emperor Bokassa I.