Roman Legionary Horsemen
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Figure 1 Figure 2 Figure 3 Figure 4 Reprinted from the American Society of Arms Collectors Bulletin 60:38-44 Additional articles available at http://americansocietyofarmscollectors.org/resources/articles/ The Legionary Horsemen: Arms, Armor and Tactical Role of the Equites Legionis and Equites Promoti Michael F. Pavkovie Introduction The Roman military establishment of the high empire was composed of four different categories of units. The first category was the so-called militia urbana, the units station- ed in and around the city of Rome; included in this group were the members of the imperial guard. The most famous troops of the imperial household were the Praetorians who formed the infantry component of the guard? The mounted portion was furnished by the horseguards of the emperor, the equites singulares Augusti, who were drawn from the auxiliary cavalrymen on the frontier and were charged with the protection of the emperor's persom2 The second category of troops formed the mainstay of the Roman ar- my: the legions.3 These were units of Roman citizens approx- imately 5000 strong, mostly infantrymen but including a small contingent of cavalrymen, usually 120 men under the high empire, but later substantially increased up to at least 726. The legions were deployed along the frontiers and pro- A vast amount of academic ink has been spilled on vided Roman generals with the close order infantry who various topics concerning the legions such as their officers, formed the line of battle. organization, recruitment, and the histories of individual The third group of units were those of auxiliaries.*The legions. Despite this plethora of information and scholar- auxiliaries were formed into regiments of either five hun- ship on the legions as a whole, there is one particular aspect dred or one thousand men; the foot units were called of the legions which has suffered from a dearth of erudite cohorts while the regiments of horse were known as alae.5 investigation, to wit, the horsemen of the legions: the equites These auxiliary units were the support troops for the legions, legionis of the high empire (ca. 14 B.C.-A.D. 260) and the often deployed as skirmishers either in front of or on the flanks of the legions. Moreover, it was the regiments of aux- equitespromoti of the later empire (ca. A.D. 260-476).7 The iliaries which provided the Roman army with its corps of reason behind this lack of disquisition is a deficiency of "specialists" such as archers and slingers. source material. The number of monuments, inscriptions, The final component of the Roman armed forces was papyri, and literary references for the legionary horsemen the fleet.6 Roman squadrons and flotillas were distributed number somewhat more than a hundred as compared with along the coastal regions of the empire and were also posted the thousands of documents for the legions as a whole. As along the major rivers of the empire. The fleet acted more a result, many truisms about the organization, officers, ranks or less as a coast guard (after all, the Mediterranean was a and role of the legionary horsemen have come into being, Roman lake) although it could, on occasion, be called upon based mainly on the observations of some of the early to aid in amphibious operations, such as the Emperor scholars of Roman army studies. Claudius's invasion of Britain. Of these four major divisions of the Roman military Many of these axioms can now be dispelled, based upon establishment, the best known both to scholar and layman new evidence and the reinterpretation of older evidence in alike are probably the troops of the second category, the light of new discoveries about the legions as a whole or even soldiers of legions. The reason behind this notoriety is the other similar units. But to discuss all the bugbears of the large number of documents concerning the legions preserved legionary horsemen is beyond the scope of this paper. from antiquity. These documents range from official troop The purpose of the present discussion is to look at a rosters to private letters to the gravestones of the soldiers: particular aspect of the legionary horsemen, viz., their equip- these usually record information on the career of the deceas- ment and tactical role. While it has been admitted, rather ed and occasionally even depict him in uniform. reluctantly at least for-the equites legionis, that the legionary horsemen had a battlefield role, it is generally accepted, bas- Michael F. Pavkovi? is the 1989 ASAC Scholarship recipient. He was ed on a dubious passage in Livy (37.7), that their primary born in Allentown, PA, in 1958, attended the Pennsylvania State Universi- duty was to act as messengers for the legionary commander. ty for undergraduate and graduate studies. He is presently completing his Ph.D. at the University of Hawaii at Manoa under the direction of M.P. Their relatively small number, only 120, has also played a Speidel, a leading Roman army scholar. The topic of his dissertation is the part in denigrating the battlefield role of the legionary legionary horseman: organization, officers, ranks, careers, equipment and horsemen. tactical role. His talk to the ASAC is a brief summary of that dissertation. representations in his "battle dress;" many of these depic- tions belong to cavalrymen, who were rather more affluent than their colleages in the infantr~.~These stones generally represent the legionary horsemen in the same poses and with the same equipment as their counterparts in the auxiliary cavalry units. The first century auxiliaries are most often depicted in the so-called rider-relief, where the trooper is shown mounted on his horse riding down a defeated barbarian op- ponent; the soldier is often accompanied by his servant (calo) who carries additional spears (see Figure 1). In the rider-God, also known as the Danubian Rider,9 the equipment shown on the gravestone was that of the trooper when in battle. He is represented with a helmet (usually, at least), protec- tive body-armor, usually chain mail (lorica hamata) or, less frequently, scale mail (lorica squamata), a large shield, a spear capable of being thrust or thrown (hasra), and a sword, usual- ly of the long Celtic-type (spatha). Of the six stones of the legionary horsemen which can be dated to the first century A.D., four represent the deceased in the posture of the Thracian Rider-God (Plate 1)!O Three of the stones are rather badly weathered and as a result on- ly the most obvious articles of equipment are still clearly visible: the shield, the spear, and, in one instance, the helmet." One stone, however, is fairly well-pre~erved!~The stone, from Bonn, represents a certain Caius Marius who served fifteen years in legio I Germanica (Plate 2). Marius is depicted as bare-headed, but wears some type of armor over his tunic; the armor is in turn decorated with his military decorations (dona militaria). The type of the armor cannot be determined from the stone, but was probably painted to represent chain mail?3 He also carries the characteristic spear and shield so well-known from the reliefs of the auxiliaries. The two stones not from the Thracian Rider-God genre show the same basic elements of equipment. One gravestone of two brothers, both equites legionis, from the early first century A.D., has a very small battle scene which shows a legionary horseman in combat with a mounted barbarian op- ponentJ4 The legionary horseman carries the typical cut-oval shield. The second stone, which is anepigraphic, can be PLATE 1 demonstrated to belong to a legionary horseman by the This paper examines the battlefield role of the legionary military decorations the man had won!5 The trooper is cavalrymen based upon their arms and armor, and the in- shown mounted and protected by a chain mail shirt. ferences which can be drawn from this equipment. Three There are two grave reliefs of the legionary horsemen from the early third century A.D. Unlike the first century basic types of evidence can be adduced for the arms and examples, these stones portray the troopers standing about armor of these men: 1) the depictions of legionary horsemen in camp uniform rather than in full battle equipment. One on monuments including their tombstones; 2) the ar- chaeological remains of their arms and armor; and 3) the of our stones thus shows the deceased only with a spear and shield while the other shows the trooper merely with a occasional literary or documentary reference to the equip- ment of the legionary cavalry. sword. This method of representing the soldier in an undress uniform became the norm in the third cent~ry?~It is The Equites Legionis of the High Empire therefore not possible to determine if the equipment of the Of the more than one hundred monumenta which legionary horsemen had changed from that carried by the record the equites legionis of the high empire, eight are tomb- auxiliary troopers, but there is no reason to believe that it stones which preserve a complete depiction of the deceas- had. ed soldier. Six of the stones date to the first century A.D., There is also an imperial, i.e., state-constructed, monu- the period during which we have the largest number of ment, which shows legionary horsemen. This is the early first century triumphal arch at Orange in southern France (ancient Arausio). The monument was erected to celebrate the suppression of a Gallic revolt by legio IIAugusta?' Since the arch was erected to honor legions, the horsemen depicted as part of the Roman force have, no doubt correct- ly, been taken as equites legi~nis?~The equipment of these legionary horsemen is generally the same as appears on the first century tombstones: chain mail, shield, spear and sword (Figure 2).