* 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.

By May 1683 the Ottoman threat to Emperor Leopold I's capital, Vienna, was very real.

With Leopold I's interests now focused on Spain and the imminent death of Charles II, the Emperor terminated the conflict with the Sultan, and signed the Treaty of Karlowitz on 26 January 1699.

The empire came to an end in 1889, with the overthrow of Emperor D. Pedro II ( D. Pedro I's son and successor ), when the Brazilian republic was proclaimed.

In 527, the first year of Eastern Roman Emperor Justinian I's reign, he became the adsessor ( legal adviser ) for Belisarius, Justinian's chief military commander who was then beginning a brilliant career.

In 1507 he was appointed tutor to Emperor Maximilian I's ( 1493 – 1519 ) seven year old grandson, Charles, who was later to become Emperor Charles V ( 1519 – 56 ).

As a result of the dispute, the Byzantine Emperor Justinian II ordered Sergius I's abduction ( as his predecessor Constans II had done with Pope Martin I ), but with the assistance of the exarch of Ravenna, Sergius I was able to avoid trial in Constantinople.

Following Otto I's death in 973, Mieszko I's sided with Duke Henry II of Bavaria against Emperor Otto II during Henry's failed revolt in 977.

Since Otto III had intentions to renew the Empire based on a federal concept he called " Renovatio Imperii Romanorum ", and within that federal framework, Polish and Hungarian duchies were to be upgraded to eastern federati of the empire it was towards this end that the Emperor placed his Imperial crown on Bolesław I's brow and invested him with the titles frater et cooperator Imperii (" Brother and Partner of the Empire ") and populi Romani amicus et socius.

In order to give the hope of dynastic continuity after his death, Otto I again confirmed Otto II as his heir on February 2, 965, the third anniversary of Otto I's coronation as Emperor.

In pursuance of his anti-imperial policy, Lucius declined in 1185 to crown Holy Roman Emperor Henry VI as Frederick I's destined successor, and the breach between the Empire and the Curia became wider on questions of Italian politics.

* Emperor Norton I's own currency

Two of these titles were for relatives of Emperor Dom Pedro I: an illegitimate daughter and a brother-in-law who received the title when married with Pedro I's daughter Dona Maria II.

As Napoleon I's eldest legitimate son, he was already constitutionally Prince Imperial and heir-apparent, but the Emperor also gave his son the style " His Majesty the King of Rome ".

After months of stalemate, and using the money of his mistress, Harriet Howard, he staged a coup d ' état and seized dictatorial powers on 2 December 1851, the 47th anniversary of Napoleon I's crowning as Emperor ( hence another of Louis-Napoléon's nicknames: " The Man of December ", " l ' homme de décembre ").

In 1961 the 30-year Eritrean Struggle for Independence began, following the Ethiopian Emperor Haile Selassie I's dissolution of the federation and shutting down of Eritrea's parliament.

On the death of Peroz I's father, Yazdegerd II, the younger son of the deceased Emperor, Hormizd, seized the throne in the absence of his elder brother Peroz who had been posted as the Governor of distant Sistan forcing Peroz to seek the protection of the Hephthalites.

However, King Henry I and the Emperor Henry IV, Henry I's son-in-law, persuaded the pope to overlook the irregularities of the election, with the proviso that William swore to obey " all things that the Pope imposed upon him.

The Battle of Brienne was fought on January 29, 1814, and resulted in the victory of Emperor Napoleon I's French forces over the Russian and Prussian forces commanded by the Prussian Generalfeldmarschall Prince von Blücher.

The Battle of Wagram ( July 5 – 6, 1809 ) was one of the most important military engagements of the Napoleonic Wars and ended in a decisive victory for Emperor Napoleon I's French and Allied army against the Austrian army under the command of Archduke Charles of Austria-Teschen.

Svyatoslav I's meeting with Emperor John.

Besides, she was a granddaughter of the fabulously rich Grand Duke of Baden and related by blood to the French Imperial family through her maternal grandmother Stéphanie de Beauharnais, Emperor Napoléon I's adopted daughter and second cousin of Napoléon III's mother .< ref >

Seldon is Emperor Cleon I's second and last First Minister, the first being Eto Demerzel / R.

Iturbide was the son of Emperor Agustin I's second son H. H.