Inside over the first door I saw one of these, which shows Constantine offering the city to the Virgin Mary and Justinian offering the temple.

Back at the Kaiser's Fountain, I walked left to the streetcar stop and rode up the hill -- any car will do -- past the Column of Constantine, also known as the Burnt Column, at the top on my right.

Going through the Imperial Gate in the wall, I entered the grounds of Topkapi Palace, home of the Sultans and nerve center of the vast Ottoman Empire, and walked along a road toward another gate in the distance, past the Church of St. Irene, completed by Constantine in 330 A.D. on my left, and then, just outside the second gate, I saw a spring with a tap in the wall on my right -- the Executioner's Spring, where he washed his hands and his sword after beheading his victims.

* 1868 – Constantine I of Greece ( d. 1923 )

The conflict between Arianism and Trinitarian beliefs was the first major doctrinal confrontation in the Church after the legalization of Christianity by the Roman Emperors Constantine I and Licinius.

He became king of the Picts in 877 when he succeeded his brother Constantine I.

Nicaea was convoked by Constantine I in May – August 325 to address the Arian position that Jesus of Nazareth is of a distinct substance from the Father.

On 6 November, both parties of the dispute met with Constantine I in Constantinople.

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

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.

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

The Roman empire | Roman Basilica Aula Palatina in Trier, Germany, built in the 4th century with fired bricks as audience hall for Constantine I

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.

On May 11,330, A.D.,, its name was changed again, this time to Constantinople after its emperor, Constantine.

As a result, Alexios and Constantine, Maria's son, were now adoptive brothers and both Isaac and Alexios took an oath that they would safeguard his rights as emperor.

From there she negotiated with the emperor for the safety of family members left in the capital, while protesting her sons ' innocence of hostile actions ; under the falsehood of making a vesperal visit to worship at the church, she deliberately excluded the grandson of Botaneiates and his loyal tutor, met with Alexios and Isaac and fled for the forum of Constantine.

A church was erected in 326, when Helena, the mother of the first Byzantine emperor, Constantine, visited Bethlehem.

It took on the name of Konstantinoupolis (" city of Constantine ", Constantinople ) after its re-foundation under Roman emperor Constantine I, who designated it as his new Roman capital, the New Rome.

Nevertheless, Constantine identified the site of Byzantium as the right place: a place where an emperor could sit, readily defended, with easy access to the Danube or the Euphrates frontiers, his court supplied from the rich gardens and sophisticated workshops of Roman Asia, his treasuries filled by the wealthiest provinces of the Empire.

He gave the Byzantine emperor Constantine Palaeologus ( 1449 – 1453 ) three chances to surrender the city, a duty enjoined by the Shariah ( Muslim Holy Law ).

* Constantine II ( emperor )

* Constantine III ( western emperor )

* Constantine III ( Byzantine emperor )

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

* Constantine II of Bulgaria ( early 1370s – 1422 ), last emperor of Bulgaria 1396 – 1422.

Division of the Roman Empire among the Caesars appointed by Constantine I: from left to right, the territories of Constantine II ( emperor ) | Constantine II, Constans I, Dalmatius and Constantius II.

This new state of affairs was unacceptable to Constantius, who felt that as the only surviving son of Constantine the Great, the position of emperor was his alone.

Division of the Roman Empire among the Caesars appointed by Constantine I: from left to right, the territories of Constantine II ( emperor ) | Constantine II, Constans, Dalmatius and Constantius II.

Following the death of his father in 337, Constantine II initially became emperor jointly with his brothers Constantius II and Constans, with the Empire divided between them and their cousins, the Caesars Dalmatius and Hannibalianus.

For example in the mid 350 ’ s the city of Jerusalem was hit with drastic food shortages at which point church historians Sozomen and Theodoret reported “ Cyril secretly sold sacramental ornaments of the church and a valuable holy robe, fashioned with gold thread that the emperor Constantine had once donated for the bishop to wear when he performed the rite of Baptism ”.

The Diocletianic Persecution ( 303 – 11 ), the Empire's last, largest, and bloodiest official persecution of Christianity, did not destroy the Empire's Christian community ; indeed, after 324 Christianity became the empire's preferred religion under its first Christian emperor, Constantine.

Icon depicting Constantine I and Christianity | Emperor Constantine ( center ) and the Fathers of the First Council of Nicaea ( 325 ) as holding the Niceno-Constantinopolitan Creed of 381

The two protagonists of the fateful decade 1912 – 1922: King Constantine I of Greece | Constantine I and PM Eleftherios Venizelos in the days of their close cooperation during the Second Balkan War, before the deep political and personal rift between the two materialized and led to the National Schism.

Image: Constantine Algeria. JPG | Emir Abdelkader Mosque, Algeria.

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

The Nicene Creed, held by Constantine I and Christianity | Emperor Constantine ( center ) in this icon, specifically rejected psilanthropism.

Constantine I | Emperor Constantine and bishop s with the Niceno-Constantinopolitan Creed | Creed of 381.

When Constantine converted to Christianity the majority of his subjects were still pagans and the Roman Imperial cult of the divinity of the emperor, expressed through the traditional burning of candles and the offering of incense to the emperor ’ s image, was tolerated for a period because it would have been politically dangerous to attempt to suppress it.

The monastery was built by order of Emperor Justinian I ( reigned 527-565 ), enclosing the Chapel of the Burning Bush ordered to be built by Helena, the mother of Constantine I, at the site where Moses is supposed to have seen the burning bush ; the living bush on the grounds is purportedly the original.

Emperor Constantine ordered their burning while Arius was still living, and any that survived this purge were later destroyed by his Orthodox opponents.

Constantine I burning Arian books, illustration from a book of canon law, ca.

The monastery was built by order of Emperor Justinian I ( reigned 527-565 ), enclosing the Chapel of the Burning Bush ordered to be built by Helena, the mother of Constantine I, at the site where Moses is supposed to have seen the burning bush ; the living bush on the grounds is purportedly the original.

None of the original works of Constantine of Preslav has survived the burning of Preslav by Byzantine Emperor John Tzimisces in 972 and the period of Ottoman rule ( 1396 – 1878 ).