The Batavi were an ancient Germanic tribe that lived around the modern Dutch Rhine delta in the area that the Romans called Batavia, from the second half of the first century BC to the third century AD. The name is also applied to several military units employed by the Romans that were originally raised among the Batavi. The tribal name, probably a derivation from batawjō, may refer to the fertile Betuwe, a region today known as the fruitbasket of the Netherlands.
Hadrian was Roman emperor from 117 to 138. Hadrian was born in Italica, close to modern Seville in Spain, an Italic settlement in Hispania Baetica; his branch of the Aelia gens, the Aeli Hadriani, came from the town of Hadria in eastern Italy. He was a member of the Nerva-Antonine dynasty.
Marcus Aurelius Antoninus was Roman emperor from 161 to 180 and a Stoic philosopher. He was a member of the Nerva–Antonine dynasty, the last of the rulers later known as the Five Good Emperors and the last emperor of the Pax Romana, an age of relative peace, calm, and stability for the Roman Empire lasting from 27 BC to 180 AD. He served as Roman consul in 140, 145, and 161.
The Roman Empire was the era of Roman civilisation lasting from 27 BC to 476 AD. Rome ruled the Mediterranean and much of Europe, Western Asia and North Africa. The Romans conquered most of this during the Republic, and it was ruled by emperors following Octavian's assumption of effective sole rule in 27 BC. The western empire collapsed in 476 AD, but the eastern empire lasted until the fall of Constantinople in 1453.
The pilum was a javelin commonly used by the Roman army in ancient times. It was generally about 2 m long overall, consisting of an iron shank about 7 mm (0.28 in) in diameter and 600 mm (24 in) long with a pyramidal head, attached to a wooden shaft by either a socket or a flat tang.
The onager was a Roman torsion-powered siege engine. It is commonly depicted as a catapult with a bowl, bucket, or sling at the end of its throwing arm. The onager was first mentioned in 353 AD by Ammianus Marcellinus, who described onagers as the same as a scorpion. The onager is often confused with the later mangonel, a "traction trebuchet" that replaced torsion powered siege engines in the 6th century AD.
The Servian Wall is an ancient Roman defensive barrier constructed around the city of Rome in the early 4th century BC. The wall was built of volcanic tuff and was up to 10 m (33 ft) in height in places, 3.6 m (12 ft) wide at its base, 11 km (6.8 mi) long, and is believed to have had 16 main gates, of which only one or two have survived, and enclosed a total area of 246 hectares. In the 3rd century AD it was superseded by the construction of the larger Aurelian Walls as the city of Rome grew beyond the boundary of the Servian Wall.
The agentes in rebus were the late Roman imperial and Byzantine courier service and general agents of the central government from the 4th to the 7th centuries.
The cursus publicus was the state mandated and supervised courier and transportation service of the Roman Empire, the use of which continued into the Eastern Roman Empire and the Ostrogothic Kingdom. It was a system based on obligations placed on private persons by the Roman State. As contractors, called mancipes, they provided the equipment, animals, and wagons. In the Early Empire compensation had to be paid but this had fallen into abeyance in Late Antiquity when maintenance was charged to the inhabitants along the routes. The service contained only those personnel necessary for administration and operation. These included veterinarians, wagon-wrights, and grooms. The couriers and wagon drivers did not belong to the service: whether public servants or private individuals, they used facilities requisitioned from local individuals and communities. The costs in Late Antiquity were charged to the provincials as part of the provincial tax obligations in the form of a liturgy/munus on private individual taxpayers.
The speculatores, also known as the speculatores augusti or the exploratores, were an ancient Roman reconnaissance agency. They were part of the consularis and were used by the Roman military. The speculatores were headquartered in the Castra Peregrina.
The Roman tuba, or trumpet was a military signal instrument used by the ancient Roman military and in religious rituals. They would signal troop movements such as retreating, attacking, or charging, as well as when guards should mount, sleep, or change posts. Thirty-six or thirty-eight tubicines were assigned to each Roman legion. The tuba would be blown twice each spring in military, governmental, or religious functions. This ceremony was known as the tubilustrium. It was also used in ancient Roman triumphs. It was considered a symbol of war and battle. The instrument was used by the Etruscans in their funerary rituals. It continued to be used in ancient Roman funerary practices.
Tribigild, also called Tarbigilus was an Ostrogothic general whose rebellion against the Eastern Roman Empire precipitated a major political crisis during the reign of Emperor Arcadius.
The lancea was a javelin used in ancient Rome. According to the Oxford English Dictionary, the word originally came from the Celtiberian language, also cf. λόγχη (lonche), the Greek term for lance. One kind of lancea, possibly known as the lancea pugnatoria or "the fighting lance" was used as a thrusting weapon by cavalrymen. This weapon was used by cavalrymen as it was lighter and easier to use than the pilum. The lancea was also used by auxiliaries. legionaries would use the lancea if the occasion called for it. Arrian equipped his army with the weapon during a battle with the Alans. Soldiers that used it were known as lancearii. It is unclear how the lancea was distinguished from the hastae. Many lancea had amenta, although not all. This kind of javelin also had short wooden shafts and small leaf-shaped metal heads. Sometimes the heads had elongated points which may have been used to increase the penetration of the spear.
The Coolus helmet was a type of ancient Celtic and Roman helmet popular in the 1st century BCE. It was typically made in bronze or brass and, like the Montefortino type with which it co-existed, was a descendant of Celtic helmet types. The explanation of the choice to use bronze can be attributed to the type of warfare that the helmet was used for; also the cultural affinities have influence on why the helmet was made the way that it was. Within a long process of evolution, Roman military armor for the head developed from early pre-Roman helmets. Rome itself had no proper tradition of such objects, as most of the soldiers of the Early Republic made use of helmets produced by the Etruscans, whose craftsmen were known for their ability to make vessels.
The magister officiorum was one of the most senior administrative officials in the Later Roman Empire and the early centuries of the Byzantine Empire. In Byzantium, the office was eventually transformed into a senior honorary rank, simply called magistros (μάγιστρος), until it disappeared in the 12th century.
The equites singulares Augusti or equites singulares Imperatoris were the cavalry arm of the Praetorian Guard during the Principate period of imperial Rome. Based in Rome, they escorted the Roman emperor whenever he left the city on a campaign or on tours of the provinces. The equites singulares Augusti were a highly trained unit dedicated to protecting the emperor. Men who served in the equites singulares Augusti held a Roman public status as equites.
Stationarius was a temporary assignment of guard duty or policing functions for lower-ranking soldiers in military police detachments of the Imperial Roman army. Small detachments of milites stationarii held posts throughout Italy and the provinces where the military presence might otherwise be minimal. They take their name from statio, a general term for "post" or "station". While individual soldiers were typically transitory, the stations themselves seem to have been permanent, and stationarii were often identified by what station they held.
The Castra Peregrina was a castrum in Rome situated on the Caelian Hill. It was occupied by various military units during the later part of the Roman Empire.
The castra of ancient Rome represent the complex of camps that housed the various military corps located in the city of Rome.
A Biarchus was a military position in the army of the Late Roman Empire. It was created after the military reforms of Diocletian. They are found throughout a variety of military positions in the Roman military. The Code of Justinian mentions the position of Biarchus as part of the Agentes in Rebus, which were the Imperial couriers. The name Biarchus is also found in the scholae palatina, auxilia palatina, fabricae, vexillationes, and in the stratores. Their duties are unknown, but they may have related to food supply. The biarchus was subordinate to the centenarius and the ducenarius but above the circitor in the command structure of the Roman military. This position replaced the role of the Optio.
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