Illyrian Emperors
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The ''Illyriciani'' or 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 (AD 235–284), was a period in which the Roman Empire nearly collapsed. The crisis ended due to the military victories of Aurelian and with the ascensi ...
who were of Illyrian origins and hailed from the region of Illyricum (in the western
Balkans The Balkans ( ), also known as 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 throughout the who ...
), and were raised chiefly from the ranks of the
Roman army The Roman army (Latin: ) was the armed forces deployed by the Romans throughout the duration of Ancient Rome, from the Roman Kingdom (c. 500 BC) to the Roman Republic (500–31 BC) and the Roman Empire (31 BC–395 AD), and its medieval contin ...
(whence they are ranked among the so-called " barracks emperors"). In the 2nd and 3rd centuries, the Illyricum and the other
Danubian The Danube ( ; ) is a river that was once a long-standing frontier of the Roman Empire and today connects 10 European countries, running through their territories or being a border. Originating in Germany, the Danube flows southeast for , pa ...
provinces (
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 r ...
,
Raetia Raetia ( ; ; also spelled 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 T ...
,
Pannonia Pannonia (, ) was a province of the Roman Empire bounded on the north and east by the Danube, coterminous westward with Noricum and upper Italy, and southward with Dalmatia and upper Moesia. Pannonia was located in the territory that is now wes ...
,
Moesia Moesia (; Latin: ''Moesia''; el, Μοισία, Moisía) was an ancient region and later Roman province situated in the Balkans south of the Danube River, which included most of the territory of modern eastern Serbia, Kosovo, north-eastern Alban ...
) 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 (; c. 218 – 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 empi ...
(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'' or ''primipilus'' was the senior centurion of the first cohort in a Roman legion, a formation of five double-strength centuries of 160 men, was called the ''primus pilus''; he was a career soldier and advisor to the le ...
'' (which also entailed admission to the
equestrian order The ''equites'' (; literally "horse-" or "cavalrymen", though sometimes referred to as "knights" in English) constituted the second of the property-based classes of ancient Rome, ranking below the senatorial class. A member of the equestrian o ...
) were placed as heads of the legions and filled the army's command structure. Since
Decius Gaius Messius Quintus Traianus Decius ( 201 ADJune 251 AD), sometimes translated as Trajan Decius or Decius, was the emperor of the Roman Empire from 249 to 251. A distinguished politician during the reign of Philip the Arab, Decius was procla ...
hailed from the senatorial background, the historical period of the Illyrian emperors proper begins with
Claudius Gothicus Marcus Aurelius Claudius "Gothicus" (10 May 214 – January/April 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 Battle ...
in 268 and continues in 284 with the rise of
Diocletian Diocletian (; la, Gaius Aurelius Valerius Diocletianus, grc, Διοκλητιανός, Diokletianós; c. 242/245 – 311/312), nicknamed ''Iovius'', was Roman emperor from 284 until his abdication in 305. He was born Gaius Valerius Diocles ...
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 juniors colleagues and designated successors, the '' caesares' ...
. This period was very important in the history of the Empire, since it represents the recovery from the
Crisis of the Third Century The Crisis of the Third Century, also known as the Military Anarchy or the Imperial Crisis (AD 235–284), was a period in which the Roman Empire nearly collapsed. The crisis ended due to the military victories of Aurelian and with the ascensi ...
, a long period of usurpations and military difficulties. All of the Illyrian emperors were trained and able soldiers, and they recovered most of the provinces and positions lost by their predecessors, including
Gaul Gaul ( la, Gallia) was a region of Western Europe first described by the Romans. It was inhabited by Celtic and Aquitani tribes, encompassing present-day France, Belgium, Luxembourg, most of Switzerland, parts of Northern Italy (only during ...
and the eastern provinces. Men of Illyrian or Thraco-Dacian origin however continued to be prominent in the Empire throughout the 4th century and beyond. The later Valentinic- Theodosian dynasties (364–457 AD) also hailed from the Pannonia region.


List

The following emperors are counted as ''Illyriciani'': *
Decius Gaius Messius Quintus Traianus Decius ( 201 ADJune 251 AD), sometimes translated as Trajan Decius or Decius, was the emperor of the Roman Empire from 249 to 251. A distinguished politician during the reign of Philip the Arab, Decius was procla ...
, ruled AD 249–251 *
Herennius Etruscus Quintus Herennius Etruscus Messius Decius (died June 251) was briefly Roman emperor in 251, ruling jointly under his father Decius. His father was proclaimed emperor by his troops in September 249 while in Pannonia and Moesia, in opposition to ...
, ruled AD 251 *
Hostilian Hostilian ( la, Gaius Valens Hostilianus Messius Quintus; died 251) was briefly Roman emperor in 251. Hostilian was born to Decius and Herennia Etruscilla at an unknown date and elevated to ''caesar'' in 250 by Decius. After Decius and Herenn ...
us, ruled AD 251 * Claudius II "Gothicus", ruled AD 268–270 *
Quintillus Marcus Aurelius Claudius Quintillus (died 270) was a Roman emperor. He was a brother of Emperor Claudius Gothicus, whom he succeeded after Claudius' death in 270. Quintillus' claim to be emperor was challenged by Aurelian, who was proclaimed e ...
, ruled AD 270 *
Aurelian Aurelian ( la, Lucius Domitius Aurelianus; 9 September 214 October 275) was a Roman emperor, who reigned during the Crisis of the Third Century, from 270 to 275. As emperor, he won an unprecedented series of military victories which reunited t ...
, ruled AD 270–275 * Probus, ruled AD 276–282 *
Diocletian Diocletian (; la, Gaius Aurelius Valerius Diocletianus, grc, Διοκλητιανός, Diokletianós; c. 242/245 – 311/312), nicknamed ''Iovius'', was Roman emperor from 284 until his abdication in 305. He was born Gaius Valerius Diocles ...
, ruled AD 284–305 * Maximianus "Herculius", ruled AD 286–305 *
Constantius Chlorus Flavius Valerius Constantius "Chlorus" ( – 25 July 306), 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 t ...
, ruled AD 305-306 *
Galerius Gaius Galerius Valerius Maximianus (; 258 – May 311) 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 D ...
, ruled AD 305-311 *
Severus II Flavius Valerius Severus (died September 307), also called Severus II, 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. Background and early ...
, ruled AD 306–307 *
Constantine I Constantine I ( , ; la, Flavius Valerius Constantinus, ; ; 27 February 22 May 337), also known as Constantine the Great, was Roman emperor from AD 306 to 337, the first one to Constantine the Great and Christianity, convert to Christiani ...
, ruled AD 306–337 *
Licinius Valerius Licinianus Licinius (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, AD 313, that granted official toleration to C ...
, ruled AD 308-324 *
Constantius II Constantius II (Latin: ''Flavius Julius Constantius''; grc-gre, Κωνστάντιος; 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 Germani ...
, ruled AD 337-361 *
Jovian Jovian is the adjectival form of Jupiter and may refer to: * Jovian (emperor) (Flavius Iovianus Augustus), Roman emperor (363–364 AD) * Jovians and Herculians, Roman imperial guard corps * Jovian (lemur), a Coquerel's sifaka known for ''Zoboomafo ...
, ruled AD 363–364 * Valentinianus I, ruled AD 364–375 *
Valens Valens ( grc-gre, Ουάλης, Ouálēs; 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 eastern half of ...
, ruled AD 364–378 *
Gratian Gratian (; la, Gratianus; 18 April 359 – 25 August 383) was emperor of the Western Roman Empire from 367 to 383. The eldest son of Valentinian I, Gratian accompanied his father on several campaigns along the Rhine and Danube frontiers and wa ...
, ruled AD 375–383 * Valentinianus II, ruled AD 375–392 *
Constantius III Constantius III was briefly Western Roman emperor of the West in 421. He earned his position as Emperor due to his capability as a general under Honorius, achieving the rank of ''magister militum'' by 411. That same year, he suppressed the r ...
, ruled AD 421 *
Valentinian III Valentinian III ( la, Placidus Valentinianus; 2 July 41916 March 455) was Roman emperor in the West from 425 to 455. Made emperor in childhood, his reign over the Roman Empire was one of the longest, but was dominated by powerful generals vying ...
, ruled AD 425-455 *
Marcian Marcian (; la, Marcianus, link=no; grc-gre, Μαρκιανός, link=no ; 392 – 27 January 457) was Roman emperor of the East from 450 to 457. Very little of his life before becoming emperor is known, other than that he was a (personal as ...
, ruled AD 450–457 * Anastasius I, ruled AD 491–518 *
Justin I Justin I ( la, Iustinus; grc-gre, Ἰουστῖνος, ''Ioustînos''; 450 – 1 August 527) was the Eastern 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 ...
, ruled AD 518–527 *
Justinian I Justinian I (; la, Iustinianus, ; grc-gre, Ἰουστινιανός ; 48214 November 565), also known as Justinian the Great, was the Byzantine emperor from 527 to 565. His reign is marked by the ambitious but only partly realized ''renovat ...
, ruled AD 527-565 *
Justin II Justin II ( la, Iustinus; grc-gre, Ἰουστῖνος, Ioustînos; died 5 October 578) or Justin the Younger ( la, Iustinus minor) was Eastern Roman Emperor from 565 until 578. He was the nephew of Justinian I and the husband of Sophia, the ...
, ruled AD 565–578 See also
List of Roman Emperors The Roman emperors were the rulers of the Roman Empire from the granting of the name and title ''Augustus'' to Octavian by the Roman Senate in 27 BC onward. Augustus maintained a facade of Republican rule, rejecting monarchical titles but callin ...
for more details. *High grade cavalry was also calledThe Grand Strategy of the Roman Empire: From the First Century A.D. to the Third by Edward N. Luttwak, page 178, "high-grade cavalry (equites Illyriciani)" ''Equites Illyriciani''


See also

*
Thraco-Roman The term Thraco-Roman describes the Romanization (cultural), Romanized culture of Thracians under the rule of the Roman Empire. The Odrysian kingdom of Thrace became a Roman client kingdom c. 20 BC, while the Greek city-states on the Black Sea coas ...
*
Illyro-Roman Illyro-Roman is a term used in historiography and anthropological studies for the Romanized Illyrians within the ancient Roman provinces of Illyricum, Moesia, Pannonia and Dardania. The term 'Illyro-Roman' can also be used to describe the Roman ...


References


Sources

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