The Illyrian emperors () were a group of Roman emperors during the

Crisis of the Third Century The Crisis of the Third Century, also known as the Military Anarchy or the Imperial Crisis, was a period in History of Rome, Roman history during which the Roman Empire nearly collapsed under the combined pressure of repeated Barbarian invasions ...

who were of Illyrian origin and hailed from the region of

Illyria In classical and late antiquity, Illyria (; , ''Illyría'' or , ''Illyrís''; , ''Illyricum'') was a region in the western part of the Balkan Peninsula inhabited by numerous tribes of people collectively known as the Illyrians. The Ancient Gree ...

(, in the Western

Balkans The Balkans ( , ), corresponding partially with the Balkan Peninsula, is a geographical area in southeastern Europe with various geographical and historical definitions. The region takes its name from the Balkan Mountains that stretch throug ...

), and were raised chiefly from the ranks of the

Roman army The Roman army () served ancient Rome and the Roman people, enduring through the Roman Kingdom (753–509 BC), the Roman Republic (509–27 BC), and the Roman Empire (27 BC–AD 1453), including the Western Roman Empire (collapsed Fall of the W ...

(whence they are ranked among the so-called "

barracks emperor A barracks emperor (also called a "soldier emperor") was a Roman emperor who seized power by virtue of his command of the army. Barracks emperors were especially common from 235 to 284 AD, during the Crisis of the Third Century, which began with ...

s"). In the empire the Illyrian generals had established a powerful military caste. In the 2nd and 3rd centuries, the Illyricum, which included the provinces on the

Lower Danube The Danube ( ; see also other names) is the second-longest river in Europe, after the Volga in Russia. It flows through Central and Southeastern Europe, from the Black Forest south into the Black Sea. A large and historically important r ...

(

Dacia Dacia (, ; ) was the land inhabited by the Dacians, its core in Transylvania, stretching to the Danube in the south, the Black Sea in the east, and the Tisza in the west. The Carpathian Mountains were located in the middle of Dacia. It thus ro ...

Raetia Raetia or Rhaetia ( , ) was a province of the Roman Empire named after the Rhaetian people. It bordered on the west with the country of the Helvetii, on the east with Noricum, on the north with Vindelicia, on the south-west with Transalpine ...

Pannonia Pannonia (, ) was a Roman province, province of the Roman Empire bounded on the north and east by the Danube, on the west by Noricum and upper Roman Italy, Italy, and on the southward by Dalmatia (Roman province), Dalmatia and upper Moesia. It ...

Moesia Moesia (; Latin: ''Moesia''; ) was an ancient region and later Roman province situated in the Balkans south of the Danube River. As a Roman domain Moesia was administered at first by the governor of Noricum as 'Civitates of Moesia and Triballi ...

), held the largest concentration of Roman forces (12 legions, up to a third of the total army), and were a major recruiting ground. The advance of these low-born provincials was facilitated by a major shift in imperial policy from the time of

Gallienus Publius Licinius Egnatius Gallienus (; – September 268) was Roman emperor with his father Valerian from 253 to 260 and alone from 260 to 268. He ruled during the Crisis of the Third Century that nearly caused the collapse of the empire. He ...

(253–268) on, when higher military appointments ceased to be exclusively filled by senators. Instead, professional soldiers of humble origin who had risen through the ranks to the post of ''

primus pilus The ''primus pilus'' ( "first maniple of triarii") or ''primipilus'' was the senior centurion of the first cohort in a Roman legion, a formation of five double-strength centuries of 160 men each; he was a career soldier and advisor to the l ...

'' (which also entailed admission to the

equestrian order The (; , though sometimes referred to as " knights" in English) constituted the second of the property/social-based classes of ancient Rome, ranking below the senatorial class. A member of the equestrian order was known as an (). Descript ...

) were placed as heads of the legions and filled the army's command structure.

Decius Gaius Messius Quintus Trajanus Decius ( 201June 251), known as Trajan Decius or simply Decius (), was Roman emperor from 249 to 251. A distinguished politician during the reign of Philip the Arab, Decius was proclaimed emperor by his troops a ...

was born in Illyricum, but he hailed from the senatorial background, for this reason the historical period of the Illyrian emperors proper begins with

Claudius Gothicus Marcus Aurelius Claudius "Gothicus" (10 May 214 – August/September 270), also known as Claudius II, was Roman emperor from 268 to 270. During his reign he fought successfully against the Alemanni and decisively defeated the Goths at the Batt ...

in 268 and continues in 284 with the rise of

Diocletian Diocletian ( ; ; ; 242/245 – 311/312), 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 (Roman province), Dalmatia. As with other Illyri ...

and the institution of the

Tetrarchy 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''. I ...

.The Illyrians (The Peoples of Europe) by John Wilkes, 1996, p. 262-264 This period was very important in the history of the Empire, since it represents the recovery from the

, a long period of usurpations and military difficulties. The later Valentinians (364-392 and 425–455 AD) also hailed from the Pannonia region.

List

The following emperors are counted as ''Illyriciani'': *

Claudius II Marcus Aurelius Claudius "Gothicus" (10 May 214 – August/September 270), also known as Claudius II, was Roman emperor from 268 to 270. During his reign he fought successfully against the Alemanni and decisively defeated the Goths at the Batt ...

, ruled AD 268–270 *

Quintillus Marcus Aurelius Claudius Quintillus (died 270) was a short-lived Roman emperor. He took power after the death of his brother, Emperor Claudius Gothicus, in 270 CE. After reigning for a few weeks Quintillus was overthrown by Aurelian, who had be ...

, ruled AD 270 *

Aurelian Aurelian (; ; 9 September ) was a Roman emperor who reigned from 270 to 275 AD during the Crisis of the Third Century. As emperor, he won an unprecedented series of military victories which reunited the Roman Empire after it had nearly disinte ...

, ruled AD 270–275 *

Probus Probus may refer to: People * Marcus Valerius Probus (c. 20/30–105 AD), Roman grammarian * Marcus Pomponius Maecius Probus, consul in 228 * Probus (emperor), Roman Emperor (276–282) * Probus of Byzantium (–306), Bishop of Byzantium from 293 t ...

, ruled AD 276–282 *

, ruled AD 284–305 *

Maximian Maximian (; ), nicknamed Herculius, was Roman emperor from 286 to 305. He was ''Caesar (title), Caesar'' from 285 to 286, then ''Augustus (title), Augustus'' from 286 to 305. He shared the latter title with his co-emperor and superior, Diocleti ...

, ruled AD 286–305 * Constantius I, ruled AD 305–306 *

Galerius Galerius Valerius Maximianus (; Greek: Γαλέριος; 258 – May 311) was Roman emperor from 305 to 311. He participated in the system of government later known as the Tetrarchy, first acting as '' caesar'' under Emperor Diocletian. In th ...

, ruled AD 305–311 *

Severus II Flavius Valerius Severus (died September 307), enumerated as Severus II, was a Roman emperor from 306 to 307, and a member of the Tetrarchy. He shared control of the western half of the empire with Constantine I, but spent most of his short re ...

, ruled AD 306–307 *

Constantine I Constantine I (27 February 27222 May 337), also known as Constantine the Great, was a Roman emperor from AD 306 to 337 and the first Roman emperor to convert to Christianity. He played a Constantine the Great and Christianity, pivotal ro ...

, ruled AD 306–337 *

Licinius Valerius Licinianus Licinius (; Ancient Greek, Greek: Λικίνιος; c. 265 – 325) 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 that ...

, ruled AD 308–324 *

Constantius II Constantius II (; ; 7 August 317 – 3 November 361) was Roman emperor from 337 to 361. His reign saw constant warfare on the borders against the Sasanian Empire and Germanic peoples, while internally the Roman Empire went through repeated civ ...

, ruled AD 337–361 * Jovian, ruled AD 363–364 *

Valentinian I Valentinian I (; 32117 November 375), also known as Valentinian the Great, was Roman emperor from 364 to 375. He ruled the Western Roman Empire, Western half of the empire, while his brother Valens ruled the Byzantine Empire, East. During his re ...

, ruled AD 364–375 *

Valens Valens (; ; 328 – 9 August 378) was Roman emperor from 364 to 378. Following a largely unremarkable military career, he was named co-emperor by his elder brother Valentinian I, who gave him the Byzantine Empire, eastern half of the Roman Em ...

, ruled AD 364–378 *

Gratian Gratian (; ; 18 April 359 – 25 August 383) was emperor of the Western Roman Empire from 367 to 383. The eldest son of Valentinian I, Gratian was raised to the rank of ''Augustus'' as a child and inherited the West after his father's death in ...

, ruled AD 375–383 *

Valentinian II Valentinian II (; 37115 May 392) was a Roman emperor in the western part of the Roman Empire between AD 375 and 392. He was at first junior co-ruler of his half-brother, then was sidelined by a usurper, and finally became sole ruler after 388, ...

, ruled AD 375–392 *

Constantius III Constantius III (died 2 September 421) was briefly Western Roman emperor in 421, having earned the throne through his capability as a general under Honorius. By 411 he had achieved the rank of ''magister militum'', and in the same year he su ...

, ruled AD 421 *

Valentinian III Valentinian III (; 2 July 41916 March 455) was Roman emperor in the Western Roman Empire, West from 425 to 455. Starting in childhood, his reign over the Roman Empire was one of the longest, but was dominated by civil wars among powerful general ...

, ruled AD 425–455 * Anastasius I, ruled AD 491–518 *

Justin I Justin I (; ; 450 – 1 August 527), also called Justin the Thracian (; ), was Roman emperor from 518 to 527. Born to a peasant family, he rose through the ranks of the army to become commander of the imperial guard and when Emperor Anastasi ...

, ruled AD 518–527 *

Justinian I Justinian I (, ; 48214 November 565), also known as Justinian the Great, was Roman emperor from 527 to 565. His reign was marked by the ambitious but only partly realized ''renovatio imperii'', or "restoration of the Empire". This ambition was ...

, ruled AD 527–565 *

Justin II Justin II (; ; died 5 October 578) was Eastern Roman emperor from 565 until 578. He was the nephew of Justinian I and the husband of Sophia, the niece of Justinian's wife Theodora. Justin II inherited a greatly enlarged but overextended empir ...

, ruled AD 565–578 See also List of Roman emperors for more details.

References

Sources

* * * * {{DEFAULTSORT:Illyrian Emperors Illyricum (Roman province) Roman emperors Illyrian people