Vigla (tagma)

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Vigla or Arithmos
Active 8th century–11th century
Country Byzantine Empire
Type heavy cavalry, imperial guard
Garrison/HQ Constantinople, Bithynia, Thrace

The Vigla (Greek: Βίγλα, "guard watch", from Latin: vigilia), also known as the Arithmos (Greek: Ἀριθμός, "Number") and in English as the Watch, was one of the elite tagmata of the Byzantine army. It was established in the latter half of the 8th century, and survived until the late 11th century. Along with the Noumeroi regiment, the Vigla formed the guard of the imperial palace in Constantinople, and was responsible for the Byzantine emperor's safety on expeditions.

History and functions[edit]

The Vigla or Arithmos was the third of the imperial tagmata to be established, with its commander attested for the first time in 791.[1][2] Both names derive from the Latin terminology of the Late Roman army: the term vigilia was applied from the 4th century onto any kind of guard detachment,[3] while arithmos is the Greek translation of the Latin numerus, both titles being used in a generic sense for "regiment".[4] In literary sources, Vigla is more commonly used than Arithmos, and is also the title used in the seals of its commanders.[2]

The Empress Irene (r. 797–802), held according to one theory to have created the tagma of the Vigla.

Its exact date of creation is contested among modern historians of the Byzantine army: Byzantinist John Haldon considers that the Vigla was established as a tagma by the Empress Irene in the 780s out of a provincial brigade,[5] but Warren Treadgold supports its creation along with the first two tagmata, the Scholai ("Schools") and Exkoubitoi ("Excubitors"), by Emperor Constantine V (r. 741–775) in the mid-8th century.[6] If the former hypothesis is true, then the establishment of the Vigla by Irene may have been intended to counterbalance the two older tagmata, which remained loyal to iconoclasm and resented Irene's iconophile policies.[7] The provincial parent unit, in turn, appears to have been of considerable ancestry: the presence of archaic Late Roman titles for its officers points to an origin, possibly as a cavalry vexillation, in the old East Roman army before the Muslim conquests of the 7th century.[8] John B. Bury has traced a hypothetical lineage to the early 5th-century vexillationes palatinae of the Comites Arcadiaci, the Comites Honoriaci and the Equites Theodosiaci.[4] Along with many of the other tagmata, the Vigla disappeared in the decades of crisis in the late 11th century: it is last mentioned in 1094.[9]

As the name indicates, the Vigla was tasked with guard duties, both in the imperial palace and on campaign. Unlike the other cavalry tagmata, which were mostly garrisoned outside Constantinople in Thrace and Bithynia, the Vigla had a significant presence in the capital. There, its task was guarding the imperial palace, along with the less prestigious infantry tagmata of the Noumeroi (responsible also for the palace prisons) and the Teicheiōtai (guarding the city walls).[10] More specifically, within Constantinople, the Vigla guarded the most exposed western, city-ward perimeter of the palace precinct, and kept a permanent garrison at the Covered Hippodrome, which was left in place even when the rest of the unit was on campaign, and secured the safety of the emperor while he was outside the Palace.[11] As the regimental commander, the droungarios tēs viglas (Greek: δρουγγάριος τῆς βίγλας) was always in attendance to the emperor, the Vigla could go on campaign without him, in which case it came under the orders of the Domestic of the Schools.[11] On expeditions led by the emperor himself, the droungarios was responsible for the safety of the camp and especially the night watch, relaying the emperor's orders, the advance, rear and flank guards during marches, and guarding prisoners of war.[2][12]

Organisation[edit]

As with the other tagmata, the issue of the unit's size is a matter of controversy. Warren Treadgold considers the tagmata to have numbered a standard 4,000 men each,[13] while other scholars, notably John Haldon, argue in favour of a much lower size of circa 1,000 men. The structure of the imperial tagmata, however, was uniform and is well-attested, with minor variations, mostly in titelature, reflecting the different origins of the units.

Uniquely among the tagmata, and perhaps a reflection of its ancestry, since it was more common in the 6th century, the commander of the Vigla bore the title of droungarios, in English sometimes rendered as "Drungary of the Watch".[14] The first known holder of the office was Alexios Mosele in 791. Due to his proximity to the emperor, the droungarios was usually a close and trusted aide, as well as one of the senior military officers of the state.[1] In the 10th century, the office was given to some of the most distinguished scions of the Byzantine military aristocracy, but from circa 1030 on, it was transformed into a civil office with judicial responsibilities. In this capacity, it survived well beyond the regiment's demise and unto the end of the Palaiologan period.[1]

Under the droungarios were one or two topotērētai (sing. topotērētēs, Greek: τοποτηρητής, lit. "placeholder, lieutenant"), a chartoularios (Greek: χαρτουλάριος [τοῦ ἀριθμοῦ]) as head of the commander's secretariat, and the akolouthos, a title unique to the Vigla but corresponding to similar subaltern officers, the proximos of the Scholai and the prōtomandatōr of the Exkoubitoi.[15] The unit was divided into twenty banda (sing. bandon, Greek: βάνδον, from Latin: bandum, "banner"), each of theoretically 50 men,[16] commanded by a komēs (Greek: κόμης [τοῦ ἀριθμοῦ], "count [of the arithmos]"). In turn, each of these commanded five kentarchoi (sing. kentarchos, Greek: κένταρχος, "centurion").[15]

Among the lower ranks within each tagma were two further classes of subaltern officers, the bandophoroi (Greek: βανδοφόροι, "banner-bearers") and the mandatores (Greek: μανδάτορες, "messengers"). Each tagma numbered forty of the bandophoroi, divided into four different classes of ten, with differing titles in each unit.[15] For the Vigla in particular, these titles can be traced to the standard Roman cavalry ranks of the 5th–6th centuries.[8] These were: the bandophoroi, the labourisioi (Greek: λαβουρίσιοι, a corruption of 6th-century labarēsioi, "carriers of the labarum"), the sēmeiophoroi (Greek: σημειοφόροι, "bearers of an insigne", cf. the Late Roman semafori), and the doukiniatores (Greek: δουκινιάτορες, again a corruption of the Latin ducenarii of the Late Roman military).[8][15] The Vigla also was unique in having several ranks of messengers: along with the ordinary mandatores present in the other units, it included legatarioi (Greek: λεγατάριοι, "legatees"), thyrōroi (Greek: θυρωροί, "doorkeepers"), skoutarioi (Greek: σκουτάριοι, "shield-bearers") and diatrechontes (Greek: διατρέχοντες, "runners").[15]

Notable commanders[edit]

References[edit]

  1. ^ a b c Kazhdan 1991, p. 663.
  2. ^ a b c Bury 1911, p. 60.
  3. ^ Kazhdan 1991, p. 2167.
  4. ^ a b Bury 1911, p. 61.
  5. ^ Haldon 1984, pp. 236–241.
  6. ^ Treadgold 1995, pp. 28–29.
  7. ^ Whittow 1996, pp. 168–169.
  8. ^ a b c Haldon 1999, p. 111.
  9. ^ Treadgold 1995, p. 42 (Note #60).
  10. ^ Bury 1911, p. 48; Treadgold 1995, p. 359.
  11. ^ a b Guilland 1967, p. 565.
  12. ^ Guilland 1967, pp. 564–565.
  13. ^ Treadgold 1980, p. 273.
  14. ^ Bury 1911, pp. 60–62.
  15. ^ a b c d e Bury 1911, p. 62; Treadgold 1980, p. 276; Treadgold 1995, p. 132.
  16. ^ Bury 1911, pp. 53–54.

Sources[edit]