* 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.

Schweitzer concludes that the 1st century theology, originating in the lifetimes of those who first followed Jesus, is both incompatible with, and far removed from, those beliefs later made official by the Roman Emperor Constantine in 325 CE.

By 325, the controversy had become significant enough that the Emperor Constantine called an assembly of bishops, the First Council of Nicaea, which condemned Arius ' doctrine and formulated the original Nicene Creed of 325.

Led by a pretender claiming to be Constantine Diogenes, a long-dead son of the Emperor Romanos IV, the Cumans crossed the mountains and raided into eastern Thrace until their leader was eliminated at Adrianople.

Soon afterwards he had the Empress Maria imprisoned and then killed ( forcing a signature from the child Emperor Alexius to put his mother to death ), by Pterygeonites and the hetaireiarches Constantine Tripsychos.

On the death of Emperor Constantine I, Athanasius was allowed to return to his See of Alexandria.

First exile: under Emperor Constantine, for 2. 5 years Jul 335 – 22 Nov 337 ; in Trier ( Germany ).

As a result of rises and falls in Arianism's influence after the First Council of Nicaea, Emperor Constantine I banished him from Alexandria to Trier in the Rhineland, but he was restored after the death of Constantine I by the emperor's son Constantine II.

The backstory of one of the surviving epistles, directed to Constantine I, recounts how the fame of Saint Anthony spread abroad and reached Emperor Constantine.

" Under the persistence of the brethren who told him, " Emperor Constantine loves the church ," he accepted to write him a letter blessing him, and praying for the peace and safety of the empire and the church.

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.

The location of Byzantium attracted Roman Emperor Constantine I who, in 330 AD, refounded it as an imperial residence inspired by Rome itself.

These mostly range in date from the beginning of the Greek Bronze Age ( about 3200 BC ) to the reign of the Roman Emperor Constantine I in the 4th century AD.

An Eastern Christianity | Eastern Christian Icon depicting Constantine I and Christianity | Emperor Constantine and the Fathers of the First Council of Nicaea ( 325 ) as holding the Niceno – Constantinopolitan Creed of 381.

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.

Constantinople was founded by the Roman Emperor Constantine I on the site of an already-existing city, Byzantium, settled in the early days of Greek colonial expansion, probably around 671 – 662 BC.

Emperor Constantine I presents a representation of the city of Constantinople as tribute to an enthroned Mary and Christ Child in this church mosaic.

* Constantine I, Roman Emperor from 306 to 337, commonly known as Constantine the Great

* Constantine II ( emperor ) ( 317 – 340 ), Roman Emperor 337 – 340

* Eskender ( 1471 – 1494 ), Emperor of Ethiopia sometimes known as Constantine II

The father of Julia the Elder was the Emperor Augustus, and Julia was his only natural child from his second marriage to Scribonia, who had close blood relations with Pompey the Great and Lucius Cornelius Sulla.

* Order of the Chrysanthemum, 1930: Emperor Showa's second brother, Prince Takamatsu, traveled to Madrid to confer the Great Collar of the Chrysanthemum on King Alfonso.

Saint Adelaide of Italy ( 931 / 932 – 16 December 999 ), also called Adelaide of Burgundy, was the second wife of Otto the Great, Holy Roman Emperor.

On the south side of the great square was erected the Great Palace of the Emperor with its imposing entrance, the Chalke, and its ceremonial suite known as the Palace of Daphne.

In 845 Emperor Wuzong ordered the Great Anti-Buddhist Persecution, confiscating the riches and returning monks and nuns to lay life.

Emperor Wu of Han ( r. 141 BC-87 BC ) went to war with the Dayuan for this reason, since the Dayuan were hording a massive amount of tall, strong, Central Asian bred horses in the Hellenized – Greek region of Fergana ( established slightly earlier by Alexander the Great ).

The Council of Chalcedon was convened by Emperor Marcian, with the reluctant approval of Pope Leo the Great, to set aside the 449 Second Council of Ephesus, better known as the " Robber Council ".

For example, in one of the Four Great Classical Novels of China, The Dream of the Red Chamber ( believed to be a semi-autobiographical account of author Cao Xueqin's own family life ), three generations of the Jia family are supported by one favorite concubine of the Emperor.

During the Ming Dynasty, Emperor Yongle bestowed the title Great Treasure Prince of Dharma, the first of the three Princes of Dharma, upon the Black-Hat Karmapa.

* 1936 – Abdication Crisis: Edward VIII's abdication as King of the United Kingdom of Great Britain and Northern Ireland, the British Dominions beyond the Seas, and Emperor of India becomes effective.

Thus, the 11th edition is " dedicated by Permission to His Majesty George the Fifth, King of Great Britain and Ireland and of the British Dominions beyond the Seas, Emperor of India, and to William Howard Taft, President of the United States of America.

Claudius died around the year AD 54, and his successor, Emperor Nero, allowed the Jews back into Rome, but then, after the Great Fire of Rome of 64, persecuted the Christians.

With the exception of a short period of eclipse, he enjoyed the complete confidence both of Constantine and Constantius II and was the tutor of the later Emperor Julian the Apostate ; and it was he who baptized Constantine the Great on May 22, 337.

Eusebius baptised Constantine the Great in his villa in Nicomedia, on May 22, 337 just before the death of the Emperor.

The Holy Roman Empire looked to Charlemagne, Charles the Great, King of the Franks, as its founder, who had been crowned Emperor of the Romans on Christmas Day in 800 by Pope Leo III.

* 347 – Roman Emperor Theodosius I " the Great " ( d. 395 )

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

His 1970s films included Monte Walsh ( 1970 ) with Jeanne Moreau, the violent Prime Cut ( 1972 ) with Gene Hackman, Pocket Money ( 1972 ) with Paul Newman, Emperor of the North Pole ( 1973 ) opposite Ernest Borgnine, as Hickey in The Iceman Cometh ( 1973 ) with Fredric March and Robert Ryan, The Spikes Gang ( 1974 ) with Noah Beery, Jr., The Klansman ( 1974 ) with Richard Burton, Shout at the Devil ( 1976 ) with Roger Moore, The Great Scout and Cathouse Thursday ( 1976 ) with Oliver Reed, and Avalanche Express ( 1978 ) with Robert Shaw.

Another influential book which he read at the time was a translation of Great Heroes of the World, becoming inspired by the American revolutionary George Washington and French Emperor Napoleon Bonaparte, whose military prowess and nationalistic fervour greatly impressed him.

Emperor Otto I the Great was buried here beside his wife in 973.

However, John A. T. Robinson and other scholars argued for a much earlier dating, based on the fact that the New Testament writings make no mention of ( 1 ) the Great Fire of Rome ( A. D. 64 ), one of the most destructive fires in Roman history, which Emperor Nero blamed on the Christians, and led to the first major persecution of believers ; ( 2 ) the final years and deaths of Paul, who wrote most of the epistles, Peter, whom Catholics recognize as the first pope, and the other apostles ; ( 3 ) Nero's suicide ( A. D. 68 ); or ( 4 ) the total destruction of the temple in Jerusalem ( A. D. 70 ), which Robinson thought should certainly have appeared, considering the importance of that event for Jews and Christians of that time.

* 1542 – Akbar the Great, 3rd Mughal Emperor ( d. 1605 )

Although never Emperor, Henry I the Fowler, Duke of Saxony, was arguably the founder of this imperial dynasty, since his election as German king in 919 made it possible for his son, Otto the Great to take on the imperium.