Severus II | |||||
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Roman emperor | |||||
Augustus | 25 July 306 – April 307 | ||||
Predecessor | Constantius I | ||||
Successor | Licinius | ||||
Co-rulers | Galerius (East) Constantine I (Gaul, Britain) Maxentius (Italy) Maximian (Italy) | ||||
Caesar | 1 May 305 – 25 July 306 (under Constantius I) | ||||
Born | Flavius Severus Illyria | ||||
Died | September 307 Tres Tabernae | ||||
Issue | Flavius Severianus | ||||
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Flavius Valerius Severus (died September 307), also called Severus II, [1] was a Roman emperor from 306 to 307. After failing to besiege Rome, he fled to Ravenna. It is thought that he was killed there or executed near Rome.
Severus was of humble birth, born in Northern Illyria around the middle of the third century. [2] [3] A friend of emperor Galerius, he rose to become a senior officer in the Roman army, [2] being nominated as caesar of the Western Roman Empire. According to Lactantius, Diocletian objected to Galerius's suggestion, saying in response, "What! That dancer, that habitual drunkard who turns night into day and day into night?" Galerius persisted, saying that Severus has served faithfully as paymaster and purveyor of the army. [4] Diocletian acquiesced and Severus succeeded to the post of caesar on 1 May 305, [5] thus becoming the junior colleague of Constantius I, augustus of the western half of empire. [2]
On the death of Constantius I in Britain in the summer of 306, Severus was promoted to augustus by Galerius. This was done as a reaction to the acclamation of Constantine I (Constantius' son) by his own soldiers at York. [6] Lactantius reports that Galerius had done this to promote the older man to the higher office, while accepting the imperial symbols of Constantine and accepting him as a member of the Tetrarchy, albeit with the rank of caesar. [4]
When Maxentius, the son of the retired emperor Maximian, revolted at Rome, Galerius sent Severus to suppress the rebellion. Severus moved towards Rome from his capital, Mediolanum, at the head of an army previously commanded by Maximian. [2] Fearing the arrival of Severus, Maxentius offered Maximian the co-rule of the empire. Maximian accepted, and when Severus arrived under the walls of Rome and besieged it, his men deserted to Maxentius. Severus fled to Ravenna, an impregnable position. [2] Maximian offered to spare his life and treat him humanely if he surrendered peaceably, which he did in March or April 307. Despite Maximian's assurance, Severus was nonetheless displayed as a captive and later imprisoned at Tres Tabernae. [7] One belief is that when Galerius himself invaded Italy to suppress Maxentius and Maximian, the former ordered Severus's death; he was executed on September 307 at Tres Tabernae, near the current Cisterna di Latina. [3] Lactantius reports that he was permitted to kill himself by opening his veins. [4] Another belief is that Severus II was killed in Ravenna. [5] [8]
Severus was survived by his son Flavius Severianus, but he was later killed by Licinius. [9]
Constantine I, also known as Constantine the Great, was a Roman emperor from AD 306 to 337 and the first emperor to convert to Christianity. Born in Naissus, Dacia Mediterranea, he was the son of Flavius Constantius, a Roman army officer of Illyrian origin who had been one of the four rulers of the Tetrarchy. His mother, Helena, was a Greek woman of low birth and a Christian. Later canonised as a saint, she is traditionally credited for the conversion of her son. Constantine served with distinction under the Roman emperors Diocletian and Galerius. He began his career by campaigning in the eastern provinces before being recalled in the west to fight alongside his father in the province of Britannia. After his father's death in 306, Constantine was acclaimed as augustus (emperor) by his army at Eboracum. He eventually emerged victorious in the civil wars against emperors Maxentius and Licinius to become the sole ruler of the Roman Empire by 324.
Diocletian, nicknamed Jovius, was Roman emperor from 284 until his abdication in 305. He was born Diocles to a family of low status in the Roman province of Dalmatia. Diocles rose through the ranks of the military early in his career, eventually becoming a cavalry commander for the army of Emperor Carus. After the deaths of Carus and his son Numerian on a campaign in Persia, Diocles was proclaimed emperor by the troops, taking the name Diocletianus. The title was also claimed by Carus's surviving son, Carinus, but Diocletian defeated him in the Battle of the Margus.
The Tetrarchy was the system instituted by Roman emperor Diocletian in 293 AD to govern the ancient Roman Empire by dividing it between two emperors, the augusti, and their junior colleagues and designated successors, the caesares.
The 300s decade ran from January 1, 300, to December 31, 309.
The 310s decade ran from January 1, 310, to December 31, 319.
Year 306 (CCCVI) was a common year starting on Tuesday of the Julian calendar. At the time, it was known as the Year of the Consulship of Constantius and Valerius. The denomination 306 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
Year 307 (CCCVII) was a common year starting on Wednesday of the Julian calendar. At the time, it was known as the Year of the Consulship of Severus and Maximinus. The denomination 307 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
The Battle of the Milvian Bridge took place between the Roman Emperors Constantine I and Maxentius on 28 October 312 AD. It takes its name from the Milvian Bridge, an important route over the Tiber. Constantine won the battle and started on the path that led him to end the Tetrarchy and become the sole ruler of the Roman Empire. Maxentius drowned in the Tiber during the battle; his body was later taken from the river and decapitated, and his head was paraded through the streets of Rome on the day following the battle before being taken to Africa.
Flavius Valerius Constantius "Chlorus", also called Constantius I, was Roman emperor from 305 to 306. He was one of the four original members of the Tetrarchy established by Diocletian, first serving as caesar from 293 to 305 and then ruling as augustus until his death. Constantius was also father of Constantine the Great, the first Christian emperor of Rome. The nickname Chlorus was first popularized by Byzantine-era historians and not used during the emperor's lifetime.
Galerius Valerius Maximianus was Roman emperor from 305 to 311. During his reign he campaigned, aided by Diocletian, against the Sasanian Empire, sacking their capital Ctesiphon in 299. He also campaigned across the Danube against the Carpi, defeating them in 297 and 300. Although he was a staunch opponent of Christianity, Galerius ended the Diocletianic Persecution when he issued the Edict of Toleration in Serdica (Sofia) in 311.
Valerius Licinianus Licinius was Roman emperor from 308 to 324. For most of his reign he was the colleague and rival of Constantine I, with whom he co-authored the Edict of Milan, AD 313, that granted official toleration to Christians in the Roman Empire. He was finally defeated at the Battle of Chrysopolis, and was later executed on the orders of Constantine I.
Maximian, nicknamed Herculius, was Roman emperor from 286 to 305. He was Caesar from 285 to 286, then Augustus from 286 to 305. He shared the latter title with his co-emperor and superior, Diocletian, whose political brain complemented Maximian's military brawn. Maximian established his residence at Trier but spent most of his time on campaign. In late 285, he suppressed rebels in Gaul known as the Bagaudae. From 285 to 288, he fought against Germanic tribes along the Rhine frontier. Together with Diocletian, he launched a scorched earth campaign deep into Alamannic territory in 288, refortifying the frontier.
Marcus Aurelius Valerius Maxentius was a Roman emperor, who reigned from 306 until his death in 312. Despite ruling in Italy and North Africa, and having the recognition of the Senate in Rome, he was not recognized as a legitimate emperor by his fellow emperors.
The Diocletianic or Great Persecution was the last and most severe persecution of Christians in the Roman Empire. In 303, the emperors Diocletian, Maximian, Galerius, and Constantius issued a series of edicts rescinding Christians' legal rights and demanding that they comply with traditional religious practices. Later edicts targeted the clergy and demanded universal sacrifice, ordering all inhabitants to sacrifice to the gods. The persecution varied in intensity across the empire—weakest in Gaul and Britain, where only the first edict was applied, and strongest in the Eastern provinces. Persecutory laws were nullified by different emperors at different times, but Constantine and Licinius' Edict of Milan in 313 has traditionally marked the end of the persecution.
Pannonia Superior was a Roman province created from the division of Pannonia in 103 AD, its capital in Carnuntum. It overlapped in territory with modern-day Hungary, Croatia, Austria, Slovakia, and Slovenia.
The civil wars of the Tetrarchy were a series of conflicts between the co-emperors of the Roman Empire, starting from 306 AD with the usurpation of Maxentius and the defeat of Severus to the defeat of Licinius at the hands of Constantine I in 324 AD.
The German and Sarmatian campaigns of Constantine were fought by the Roman Emperor Constantine I against the neighbouring Germanic peoples, including the Franks, Alemanni and Goths, as well as the Sarmatian Iazyges, along the whole Roman northern defensive system to protect the empire's borders, between 306 and 336.
The Conference of Carnuntum was a military conference held on November 11, 308, in the city of Carnuntum, which at the time was located in the province of Pannonia Prima. It was convened by the Augustus in the East Galerius as a way to settle the dispute over the title of Augustus in the West, and consequently, to cease the ongoing conflicts since the previous year when he, and before that Severus II, invaded the Italy of Maxentius and Maximian. Present at the conference were Diocletian, who had been retired since 305, and his former colleague, Maximian.
The Battle of Brescia was a confrontation that took place during the summer of 312, between the Roman emperors Constantine the Great and Maxentius in the town of Brescia, in northern Italy. Maxentius declared war on Constantine on the grounds that he wanted to avenge the death of his father Maximian, who had committed suicide after being defeated by him. Constantine would respond with a massive invasion of Italy.
The siege of Segusio or siege of Susa was the first clash of the civil war between the Roman emperors Constantine the Great and Maxentius in the spring of 312. In that year, Maxentius had declared war on Constantine, claiming to intend to avenge the death of his father Maximian, who had committed suicide after being defeated by him. Constantine would respond with an invasion of northern Italy.