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The cohortes urbanae (Latin meaning urban cohorts) of ancient Rome were created by Augustus to counterbalance the enormous power of the Praetorian Guard in the city of Rome and serve as a police service. They were led by the urban prefect.
The gangs of Titus Annius Milo, Publius Clodius and others which were used by rival politicians during the Republic had been eliminated mostly due to the efforts of Pompeius Magnus. Although political gangs were a thing of the past since effective power no longer resided in the competing factions of the Roman Senate and elected officials, some kind of police force was necessary to maintain public order and prevent civil disturbances. To fulfill this purpose Augustus established three urban cohorts (cohortes urbanae) under a newly appointed prefect of the city. [1] Their primary role was to police Rome and counteract roaming mobs and gangs that often haunted its streets during the Republic. The urban cohorts thus acted as a heavy duty police force, capable of riot control duties, while their contemporaries, the Vigiles , policed the streets and fought fires. As a trained paramilitary organization, the urban cohorts could, on rare occasions, go to battle if necessary. This role, however, was only called upon in dire situations.
Unlike the Vigiles, who mostly operated at night as firefighters and watchmen, members of the urban cohorts were considered legionaries, though with higher pay than the regular legions—if not quite as much as the Praetorian Guards—and tended to receive slightly higher donatives, though not as much as the Praetorians. [2]
Originally the cohortes urbanae were divided into three cohorts, each cohort being commanded by one tribune and six centurions. In the time of the Flavians this was increased to four cohorts. Each cohort contained around five hundred men. Only free citizens were eligible to serve in their ranks. As with the Praetorians, the men of the urban cohorts were predominantly of Italian stock. [3] Urban cohorts, (known as city cohorts in non-Roman cities) were later created in both the Roman North African city of Carthage and the city of Lugdunum in Roman Gaul (modern Lyon). [4]
The Roman legion, the largest military unit of the Roman army, comprised 5,200 infantry and 300 equites (cavalry) in the period of the Roman Republic and 5,600 infantry and 200 auxilia in the period of the Roman Empire.
Ofonius Tigellinus (c. 10 – 69) was a prefect of the Roman imperial bodyguard, known as the Praetorian Guard, from 62 until 68, during the reign of emperor Nero. Tigellinus gained imperial favour through his acquaintance with Nero's mother Agrippina the Younger, and was appointed prefect upon the death of his predecessor Sextus Afranius Burrus, a position Tigellinus held first with Faenius Rufus and then Nymphidius Sabinus.
Lucius Aelius Sejanus, commonly known as Sejanus, was a Roman soldier, friend and confidant of the Roman Emperor Tiberius. Of the Equites class by birth, Sejanus rose to power as prefect of the Praetorian Guard, of which he was commander from AD 14 until his execution for treason in AD 31.
The Praetorian Guard was an elite unit of the Imperial Roman army that served as personal bodyguards and intelligence agents for the Roman emperors.
A cohort was a standard tactical military unit of a Roman legion. Although the standard size changed with time and situation, it was generally composed of 480 soldiers. A cohort is considered to be the equivalent of a modern military battalion. The cohort replaced the maniple following the reforms attributed to Gaius Marius in 107 BC. Shortly after the military reforms of Marius, and until the middle of the third century AD, ten cohorts made up a legion. Cohorts were named "first cohort,” "second cohort," etc. The first cohort consisted of experienced legionaries, while the legionaries in the tenth cohort were less experienced.
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The praetorian prefect was a high office in the Roman Empire. Originating as the commander of the Praetorian Guard, the office gradually acquired extensive legal and administrative functions, with its holders becoming the Emperor's chief aides. Under Constantine I, the office was much reduced in power and transformed into a purely civilian administrative post, while under his successors, territorially-defined praetorian prefectures emerged as the highest-level administrative division of the Empire. The prefects again functioned as the chief ministers of the state, with many laws addressed to them by name. In this role, praetorian prefects continued to be appointed by the Eastern Roman Empire until the reign of Heraclius in the 7th century AD, when wide-ranging reforms reduced their power and converted them to mere overseers of provincial administration. The last traces of the prefecture disappeared in the Byzantine Empire by the 840s.
The Vigiles or more properly the Vigiles Urbani or Cohortes Vigilum were the firefighters and police of ancient Rome.
Praefectus, often with a further qualification, was the formal title of many, fairly low to high-ranking, military or civil officials in the Roman Empire, whose authority was not embodied in their person but conferred by delegation from a higher authority. They did have some authority in their prefecture such as controlling prisons and in civil administration.
A vexillatio was a detachment of a Roman legion formed as a temporary task force created by the Roman army of the Principate. It was named from the standard carried by legionary detachments, the vexillum, which bore the emblem and name of the parent legion.
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 legate. The primus pilus would remain in command for one year. They could continue to serve in the army after their term ended if there was a vacancy in command or if they wished to become an independent commander of an auxilia unit or the praefectus castrorum.
Lucius Seius Strabo was a prefect of the Roman imperial bodyguard, known as the Praetorian Guard, during the rule of the emperors Augustus and Tiberius. The length of Strabo's tenure as Praetorian prefect is unknown, but he held the position together with various colleagues until 15, after which he was appointed to the governorship of Egypt. With this career Strabo distinguished himself by attaining the two highest offices open to men of the equestrian class in the Roman Empire.
The praefectus urbanus, also called praefectus urbi or urban prefect in English, was prefect of the city of Rome, and later also of Constantinople. The office originated under the Roman kings, continued during the Republic and Empire, and held high importance in late Antiquity. The office survived the collapse of the Western Roman Empire, and the last urban prefect of Rome, named Iohannes, is attested in 599. In the East, in Constantinople, the office survived until the 13th century.
Lucius Petronius Taurus Volusianus was a Roman citizen, apparently of equestrian origins, whose career in the Imperial Service in the mid-Third Century AD carried him from a relatively modest station in life to the highest public offices and senatorial status in a very few years. He may have secured his first appointments before the Licinian Dynasty – – acceded to the Empire in 253 AD, but it was in the course of their reign that his upward progress achieved an almost unprecedented momentum and the second factor seems to have been a consequence of the first. The nature of his relationship to the Licinii is uncertain, but it seems likely that a common origin in the Etruscan region of central Italy at least predisposed Gallienus in his favour and he seems to have been that emperor's most trusted servant and adviser during the period of his sole reign - 260(?)-268 AD.
The constitution of the late Roman Empire was an unwritten set of guidelines and principles passed down, mainly through precedent, which defined the manner in which the late Roman Empire was governed. As a matter of historical convention, the late Roman Empire emerged from the Roman Principate, with the accession of Diocletian in AD 284, his reign marking the beginning of the Tetrarchy. The constitution of the Dominate outrightly recognized monarchy as the true source of power, and thus ended the facade of dyarchy, in which emperor and Senate governed the empire together.
The Imperial Roman army was the military land force of the Roman Empire from 27 BC to 476 AD, and the final incarnation in the long history of the Roman army. This period is sometimes split into the Principate and the Dominate (284–476) periods.
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The praefectus vigilum, was, starting with the reign of the Emperor Augustus, the commander of the city guards in Rome, which were responsible for maintaining peace and order at night, a kind of fire and security police. Although less important than the other prefects, the office was considered a first step in order to reach an important position in the imperial administration.
During the Roman Republic, there were watchmen that served as firefighters. They used water buckets to put out fires and axes to tear down buildings near the fire in order to prevent the fire from spreading. The aediles and tresviri nocturni were also employed to fight fires. Roman Emperor Augustus created the Vigiles. The Vigiles were an organization of freedmen that fought fires. They would use buckets and water pumps. Emperor Nero also created "bucket brigades" to help fight fires.