Since it was Galerius's army that would have been purged — Diocletian had left his in Egypt to quell continuing unrest — Antiochenes would understandably have believed Galerius to be its instigator.

He was arrested and sentenced to be set aflame, but Diocletian overruled the decision, and decided that Romanus should have his tongue removed instead.

Ben-Sasson, under Diocletian ( 284-305 ) the region was divided into Palaestina Prima which was Judea, Samaria, Idumea, Peraea and the coastal plain with Caesarea as capital, Palaestina Secunda which was Galilee, Decapolis, Golan with Beth-shean as capital, and Palaestina Tertia which was the Negev with Petra as capital.

In his Easter table the year 532 AD was equated with the regnal year 248 of Emperor Diocletian.

A further massive transfer of Bastarnae was carried out by emperor Diocletian ( ruled 284-305 ) after he and his colleague Galerius defeated a coalition of Bastarnae and Carpi in 299.

Dalmatia was the birthplace of the Roman Emperor Diocletian, who, upon retirement from Emperor in AD 305, built a large palace near Salona, out of which the city of Split later developed.

Diocletian (; c. 22 December 244 – 3 December 311 ), was a Roman Emperor from 284 to 305.

After the deaths of Carus and his son Numerian on campaign in Persia, Diocletian was proclaimed Emperor.

The title was also claimed by Carus ' other surviving son, Carinus, but Diocletian defeated him in the Battle of the Margus.

Diocletian was probably born near Salona in Dalmatia ( Solin in modern Croatia ), some time around 244.

He was a man skilled in areas of government where Diocletian, presumably, had no experience.

Diocletian was not the only challenger to Carinus ' rule: the usurper M. Aurelius Julianus, Carinus ' corrector Venetiae, took control of northern Italy and Pannonia after Diocletian's accession.

It was all good publicity for Diocletian, and it aided in his portrayal of Carinus as a cruel and oppressive tyrant.

As leader of the united East, Diocletian was clearly the greater threat.

It was too much for a single person to control, and Diocletian needed a lieutenant.

Diocletian was in a less comfortable position than most of his predecessors, as he had a daughter, Valeria, but no sons.

The relationship between Diocletian and Maximian was quickly couched in religious terms.

Diocletian refused and fought a battle with them, but was unable to secure a complete victory.

Bahram II's gifts were widely recognized as symbolic of a victory in the ongoing conflict with Persia ; Diocletian was hailed as the " founder of eternal peace ".

Maximian's appointment is unusual in that it was impossible for Diocletian to have been present to witness the event.

It has even been suggested that Maximian usurped the title, and was only later recognized by Diocletian in hopes of avoiding civil war.

On his return to the East, Diocletian managed what was probably another rapid campaign against the resurgent Sarmatians.

Afterwards, during 299 and 302, as Diocletian was then residing in the East, it was Galerius ' turn to campaign victoriously on the Danube.

In a public ceremony at Antioch, the official version of events was clear: Galerius was responsible for the defeat ; Diocletian was not.

It is unclear if Diocletian was present to assist the campaign ; he might have returned to Egypt or Syria.

Weakened by illness, Diocletian left the imperial office on 1 May 305, and became the only Roman emperor to voluntarily abdicate the position.

Diocletian left Africa quickly after the treaty, moving from Upper Egypt in September 298 to Syria in February 299.

On 20 December 303, Diocletian cut short his stay in Rome and left for the north.

From Ravenna, Diocletian left for the Danube.

His ambitions were purely military ; he left politics to Diocletian.

Carinus at once left Rome and set out for the East to meet Diocletian.

File: Bowood House. jpg | Bowood House, Adam's Diocletian wing on left, the main block demolished in 1950s

In 299, Diocletian left the Armenian state in a quasi-independent and protectorate status possibly to use it as a buffer in case of a Persian attack.

The execution of Licinius in spring 325 left Constantine the first sole Emperor since Diocletian made Maximian his co-Emperor in 286.

The boldness of this Christian displeased Diocletian, and he left the city and made for Nicomedia to spend the winter, accompanied by Galerius.

As they left office, Diocletian and Maximian probably imagined Christianity to be in its last throes.

Palace of the Roman Emperor Diocletian, around which the Croatian city of Split ( city ) | Split emerged.

There is a contemporary issue of coins suggestive of an imperial adventus ( arrival ) for the city, but some modern historians state that Diocletian avoided the city, and that he did so on principle, as the city and its Senate were no longer politically relevant to the affairs of the Empire and needed to be taught as much.

At the conclusion of discussions with the Persians, Diocletian re-organized the Mesopotamian frontier and fortified the city of Circesium ( Buseire, Syria ) on the Euphrates.

Diocletian entered the city of Rome in the early winter of 303.

Diocletian soon grew impatient with the city, as the Romans acted towards him with what Edward Gibbon, following Lactantius, calls " licentious familiarity ".

In addition to his administrative and legal impact on history, the Emperor Diocletian is considered to be the founder of the city of Split in modern-day Croatia.

According to tradition, San Marino was founded in 301 AD when a Christian stonemason named Marinus the Dalmatian, later venerated as Saint Marinus, emigrated in 257 AD from the Dalmatian island of Rab, then a Roman colony, when the emperor Diocletian issued a decree calling for the reconstruction of the city walls of Rimini which had been destroyed by Liburnian pirates.

He was probably a Roman soldier martyred for the Christian faith during the persecution of Diocletian in 304 in the city of Porto Torres (), according to the legend on the orders of the governor ( preside ) of Sardinia and Corsica, a certain Barbarus.

* Diocletian re-organized the Mesopotamian frontier and fortifies the city of Circesium ( modern Busayrah ) on the Euphrates.

Under the reorganization of the empire by Diocletian, Rouen became the chief city of the divided province of Gallia Lugdunensis II and reached the apogee of its Roman development, with an amphitheatre and thermae of which the foundations remain.

The Romans based much of their architecture on the dome, such as Hadrian's Pantheon in the city of Rome, the Baths of Diocletian and the Baths of Caracalla.

Christian tradition makes him a native of the Dalmatian city of Salona, today Solin near Split, the son of a man also named Caius, and a member of a noble family related to the Emperor Diocletian.

An imperial palace was constructed here, in which the emperors after the time of Diocletian frequently resided ; and the city often played a part in the struggles between the rulers of the 4th century.

According to Koch, the name Arawn may be derived from the Biblical name Aaron, the name of Moses ’ s brother, and so is ultimately of Hebrew origin and meaning ‘ exalted .’ That the name ‘ Aaron ’ had currency in Wales as early as Roman times is shown by Gildas who wrote that ‘ Aaron and Iulianus were Christian martyrs at Urbs Legionis ( the ‘ city of the legion ,’ probably Caerllion-ar-Wysg ) in the time of the Emperor Diocletian .’ a cleric of the Old Welsh name Araun witnessed two charters of 860 preserved in the book of Llandaf.

" Constructed between 1497 and 1514, the Cathedral houses the remains of Saints Justus and Pastor, two Christian schoolboys martyred near the city during the persecutions of the Roman Emperor Diocletian at the beginning of the fourth century.

The Emperor Diocletian ( r. 284-305 ) was the last of the great builders of Rome's city infrastructure and he did not omit the Forum from his program.

Nicomedia was the metropolis of Bithynia under the Roman Empire, and Diocletian made it the eastern capital city of the Roman Empire in 286 when he introduced the Tetrarchy system.

This coat of arms originates from the Roman Emperor Diocletian who made his palace ( the core of city of Split ) the capital of the Western Roman Empire.

In the sixth century the city was renamed Georgiopolis after St. George, a soldier in the guard of the emperor Diocletian, who was born there between 256 and 285 AD.

Nicomedia was the eastern and most senior capital city of the Roman Empire between 286 and 324, during the Tetrarchy introduced by Diocletian.