The Praetorian Guard (Latin language: Praetoriani) was a force of bodyguards used by Roman Emperors. The title was already used during the Roman Republic for the guards of Roman generals, at least since the rise to prominence of the Scipio family around 275 BC. The Guard was dissolved by Emperor Constantine I in the 4th century. They should not be confused with the imperial Germanic bodyguard that provided close personal protection for the late Roman emperors.
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The term Praetorian derived from the hut of the commanding general or praetor of a Roman army in the field—the praetorium. They were an elite recruitment of Roman citizens and Latins. It was a habit of many Roman generals to choose from the ranks a private force of soldiers to act as guards of the tent or the person. They consisted of both infantry and cavalry. In time, this cohort came to be known as the cohors praetoria, and various notable figures possessed one, including Julius Caesar, Mark Antony and Augustus (Octavian). As Caesar discovered with the Legio X Equestris, a powerful unit more dangerous than its fellow legions was desirable in the field. When Augustus became the first ruler of the Roman Empire in 27 BC, he decided such a formation was useful not only on the battlefield but in politics also. Thus, from the ranks of the legions throughout the provinces, Augustus recruited the Praetorian Guard.
Original form of the GuardEdit
The group that was formed initially differed greatly from the later Guard, which came to be a vital force in the power politics of Rome. While Augustus understood the need to have a protector in the maelstrom of Rome, he was careful to uphold the Republican veneer of his regime. Thus he allowed only nine cohorts to be formed, originally of 500, then increased to 1,000 men each, and only three were kept on duty at any given time in the capital. A small number of detached cavalry units (turmae, sing. turma) of 30 men each were also organized. While they patrolled inconspicuously in the palace and major buildings, the others were stationed in the towns surrounding Rome; no threats were possible from these individual cohorts. This system was not radically changed with the appointment by Augustus in 2 BC of two Praetorian prefects, Quintus Ostorius Scapula and Publius Salvius Aper, although organization and command were enhanced.
Through the machinations of their ambitious prefect, Lucius Aelius Sejanus, the Guard was brought from the Italian barracks into Rome itself. In 23, Sejanus convinced Tiberius to have the Castra Praetoria (the fort of the Praetorians) built just outside of Rome. One of these cohorts held the daily guard at the imperial palace switching roles in between patrols (most of the guard in the imperial palace had shifted roles from morning till evening). Henceforth the entire Guard was at the disposal of the emperors, but the rulers were now equally at the mercy of the Praetorians. The reality of this was seen in 31 when Tiberius was forced to rely upon his own cohors praetoria against partisans of Sejanus. Although the Praetorian Guard proved faithful to the aging Tiberius, their potential political power had been made clear.
Participation in warsEdit
While campaigning, the Praetorians were the equal of any formation in the Roman Army. On the death of Augustus in 14 A.D., his successor, Tiberius, was faced with mutinies among both the Rhine and Pannonian legions. According to Tacitus, the Pannonian forces were dealt with by Tiberius' son Drusus, accompanied by two Praetorian cohorts, the Praetorian cavalry and some of the German bodyguard. The German mutiny was put down by Tiberius' stepson Germanicus, his intended heir, who then led the legions and detachments of the Guard in an invasion of Germany over the next two years. The Guard saw much action in 69, fighting well for Otho at the first battle of Bedriacum. Under Domitian and Trajan, the guard took part in wars from Dacia to Mesopotamia, while with Marcus Aurelius, years were spent on the Danubian frontier. Throughout the 3rd century, the Praetorians assisted the emperors in various campaigns.
Following the death of Sejanus, who was sacrificed for the Donativum (imperial gift) promised by Tiberius, the Guards began to play an increasingly ambitious and bloody game in the Empire. With the right amount of money, or at will, they assassinated emperors, bullied their own prefects, or turned on the people of Rome. In 41 Caligula was killed by conspirators from the senatorial class and from the Guard, along with his wife and daughter. The Praetorians placed his uncle Claudius on the throne, daring the Senate to oppose their decision.
During 69, the Year of the Four Emperors, after the emperor Galba failed to provide a donative for the Praetorians, they transferred their allegiance to Otho and assassinated the emperor. Otho acquiesced in the Praetorians' demands and granted them the right to appoint their own prefects, ensuring their loyalty. After defeating Otho, Vitellius disbanded the guard and established a new one sixteen cohorts strong. Vespasian relied in the war against Vitellius upon the disgruntled cohorts the emperor had dismissed, and reduced the number of cohorts back to nine upon becoming emperor himself. As a further safeguard, he appointed his son, Titus as Praetorian Prefect.
While the Guard had the power to make or break emperors, it had no role in government administration, unlike the personnel of the palace, the Senate, and the bureaucracy. Often after an outrageous act of violence, revenge by the new ruler was forthcoming. In 193, Didius Julianus purchased the Empire from the Guard for a vast sum, when the Guard auctioned it off after killing Pertinax. Later that year Septimius Severus marched into Rome, disbanded the Praetorians and started a new formation from his own Pannonian Legions. Unruly mobs in Rome fought often with the Praetorians in Maximinus Thrax's reign in vicious street battles.
In 271, Aurelian sailed east to destroy the power of Palmyra, Syria, with a force of legionary detachments, Praetorian cohorts, and other cavalry units. The Palmyrenes were easily defeated. This led to the orthodox view that Diocletian and his colleagues evolved the sacer comitatus (the field escort of the emperors), which included field units that utilized a selection process and command structure modeled after the old Praetorian cohorts, but was not of uniform composition and was much larger than a Praetorian cohort.
Guard's twilight yearsEdit
In 284, Diocletian reduced the status of the Praetorians; they were no longer to be part of palace life, as Diocletian lived in Nicomedia, some 60 miles (100 km) from Byzantium in Asia Minor. Two new corps, the Ioviani and Herculiani (named after the gods Jove, or Jupiter, and Hercules, associated with the senior and junior emperor), replaced the Praetorians as the personal protectors of the emperors, a practice that remained intact with the tetrarchy. By the time Diocletian retired on May 1, 305, their Castra Praetoria seems to have housed only a minor garrison of Rome.
The final act of the Praetorians in imperial history started in 306, when Maxentius, son of the retired emperor Maximian, was passed over as a successor: the troops took matters into their own hands and elevated him to the position of emperor in Italy on October 28. Caesar Flavius Valerius Severus, following the orders of Galerius, attempted to disband the Guard but only managed to lead the rest of them in revolting and joining Maxentius. When Constantine the Great, launching an invasion of Italy in 312, forced a final confrontation at the Milvian Bridge, the Praetorian cohorts made up most of Maxentius' army. Later in Rome, the victorious Constantine definitively disbanded the Praetorian Guard. The soldiers were sent out to various corners of the Empire, and the Castra Praetoria was demolished. For over 300 years they had served, and the destruction of their fortress was a grand gesture, inaugurating a new age of imperial history and ending that of the Praetorians.
Relationships between emperors and their GuardEdit
|Emperor||Year||Relationship with the Guard|
|Nero||54–68||Eventually deserted by the Guard|
|Vespasian||69–79||Reduced the size of the Guard after victory in 69|
Organization and conditions of serviceEdit
Around the time of Augustus (c. 5) each cohort of the Praetorians numbered 1,000 men, increasing to 1,500 men at some time. As with the normal legions, the body of troops actually ready for service was much smaller. Tacitus reports that the number of cohorts was increased to twelve from nine in 47. In 69 it was briefly increased to sixteen cohorts by Vitellius, but Vespasian quickly reduced it again to nine. Finally in 101 their number was increased once more to ten, resulting in a force of 10,000 troops, whose status was at least elite.
The Praetorians received substantially higher pay than other Roman soldiers in any of the legions, on a system known as sesquiplex stipendum, or by pay-and-a-half. So if the legionaries received 250 denarii, the guards received 375 per annum. Domitian and Septimius Severus increased the stipendum (payment) to 1,500 denarii per year, distributed in January, May and September.
Rank and fileEdit
See the article Praetorian prefect, which also lists the incumbents of the post of Praefectus praetorio and covers the essentially civilian second life of the office, since ca 300, as administrator of the territorial circumscriptions known as praetorian prefectures.
- Bingham, Sandra J. (1999)  (PDF). The praetorian guard in the political and social life of Julio-Claudian Rome. Ottawa: National Library of Canada. ISBN 0-612-27106-4. http://www.zumodrive.com/share/bT2kNTIxNT. Retrieved 2007-05-23.
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