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Hellenistic-era warships

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The famous 2nd century BCNike of Samothrace,standing atop the prow of an oared warship, most probably a trihemiolia.

From the 4th century BC on, new types ofoared warshipsappeared in theMediterranean Sea,superseding thetriremeand transformingnaval warfare.Ships became increasingly large and heavy, including some of the largest wooden ships hitherto constructed. These developments were spearheaded in theHellenisticNear East,but also to a large extent shared by the naval powers of the Western Mediterranean, specificallyCarthageand theRoman Republic.While the wealthysuccessor kingdomsin the East built huge warships ( "polyremes" ), Carthage and Rome, in the intense naval antagonism during thePunic Wars,relied mostly on medium-sized vessels. At the same time, smaller naval powers employed an array of small and fast craft, which were also used by the ubiquitous pirates. Following the establishment of complete Roman hegemony in the Mediterranean after theBattle of Actium,the nascentRoman Empirefaced no major naval threats. In the 1st century AD, the larger warships were retained only as flagships and were gradually supplanted by the lightliburniansuntil, byLate Antiquity,the knowledge of their construction had been lost.

Terminology[edit]

Most of the warships of the era were distinguished by their names, which were compounds of a number and a suffix. Thus the English term quinquereme derives fromLatinquīnquerēmisand has theGreekequivalentπεντήρης(pentḗrēs). Both are compounds featuring a prefix meaning "five": Latinquīnque,ancient Greekπέντε(pénte). The Roman suffix is fromrēmus,"oar":[1]hence "five-oar". As the vessel cannot have had only five oars, the word must be a figure of speech meaning something else. There are a number of possibilities. The -ηρης occurs only in suffix form, deriving fromἐρέσσω(eréssō), "(I) row".[2]As "rower" isἐρέτης(erétēs) and "oar" isἐρετμόν(eretmón),-ērēsdoes not mean either of those but, being based on the verb, must mean "rowing". This meaning is no clearer than the Latin. Whatever the "five-oar" or the "five-row" originally meant was lost with knowledge of the construction, and is, from the 5th century on, a hotly debated issue. For the history of the interpretation efforts and current scholarly consensus, seebelow.

Evolution of design[edit]

In the great wars of the 5th century BC, such as thePersian Warsand thePeloponnesian War,thetriremewas the heaviest type of warship used by the Mediterranean navies.[3][4]The trireme (Greek:τρῐήρης(triḗrēs), "three-oared" ) was propelled by three banks of oars, with one oarsman each. During the early 4th century BC, however, variants of the trireme design began to appear: invention of the quinquereme (Gk.:πεντήρης(pentḗrēs), "five-oared" ) and the hexareme (Gk.hexērēs,"six-oared" ) is credited by the historianDiodorus Siculusto the tyrantDionysius I of Syracuse,while the quadrireme (Gk.tetrērēs,"four-oared" ) was credited byAristotleto theCarthaginians.[5][6][7]

Oar system[edit]

Depiction of the position of the rowers in three different levels (from top:thranitai,zygitaiandthalamitai) in a Greek trireme.
19th-century interpretation of the quinquereme's oaring system, with five levels of oars.

Far less is known with certainty about the construction and appearance of these ships than about the trireme. Literary evidence is fragmentary and highly selective, and pictorial evidence unclear. The fact that the trireme had three levels of oars (trikrotos naus) led medieval historians, long after the specifics of their construction had been lost, to speculate that the design of the "four", the "five" and the other later ships would proceed logically, i.e. that the quadrireme would have four rows of oars, the quinquereme five, etc.[8]However, the eventual appearance of bigger polyremes ( "sixes" and later "sevens", "eights", "nines", "tens", and even a massive "forty"), made this theory implausible. Consequently, during theRenaissanceand until the 19th century, it came to be believed that the rowing system of the trireme and its descendants was similar to thealla sensilesystem of the contemporary galleys, comprising multiple oars on each level, rowed by one oarsman each.[9]20th-century scholarship disproved that theory, and established that the ancient warships were rowed at different levels, with three providing the maximum practical limit. The higher numbers of the "fours", "fives", etc. were therefore interpreted as reflecting the number of files of oarsmen on each side of the ship, and not an increased number of rows of oars.[10]

The most common theory on the arrangement of oarsmen in the new ship types is that of "double-banking", i.e., that the quadrireme was derived from abireme(warship with two rows of oars) by placing two oarsmen on each oar, the quinquereme from a trireme by placing two oarsmen on the two uppermost levels (thethranitaiandzygitai,according to Greek terminology), and the later hexareme by placing two rowers on every level.[11]Other interpretations of the quinquereme include a bireme warship with three and two oarsmen on the upper and lower oar banks, or even amonoreme(warship with a single level of oars) with five oarsmen.[12]The "double-banking" theory is supported by the fact that the 4th-century quinqueremes were housed in the same ship sheds as the triremes, and must therefore have had similar width (c. 16 feet (4.9 m)), which fits with the idea of an evolutionary progression from the one type to the other.[13]

The reasons for the evolution of the polyremes are not very clear. The most often forwarded argument is one of lack of skilled manpower: the trireme was essentially a ship built forramming,and successful ramming tactics depended chiefly on the constant maintenance of a highly trained oar crew,[14]something which few states aside fromAthenswith itsradical democracyhad the funds or the social structure to do.[15]Using multiple oarsmen reduced the number of such highly trained men needed in each crew: only the rower at the tip of the oar had to be sufficiently trained, and he could then lead the others, who simply provided additional motive power.[16]This system was also in use in Renaissance galleys, but jars with the evidence of ancient crews continuing to be thoroughly trained by their commanders.[17]The increased number of oarsmen also required a broader hull, which on the one hand reduced the ships' speed, but on the other offered several advantages: larger vessels could be strengthened to better withstand ramming, while the wider hull increased their carrying capacity, allowing moremarines,and eventually catapults, to be carried along. The decks of these ships were also higher above the waterline, while their increased beam afforded them extra stability, making them superior missile platforms.[18]This was an important fact in an age where naval engagements were increasingly decided not by ramming but by less technically demandingboarding actions.[15]It has even been suggested byLionel Cassonthat the quinqueremes used by the Romans in the Punic Wars of the 3rd century were of the monoreme design (i.e., with one level and five rowers on each oar), being thus able to carry the large contingent of 120 marines attested for theBattle of Ecnomus.[17][19]

An evolution to larger ships was also desirable because they were better able to survive a bow-on-bow ramming engagement, which allowed for increased tactical flexibility over the older, smaller ships which were limited to broad-side ramming. Once bigger ships had become common, they proved their usefulness in siege operations against coastal cities, such as thesiege of TyrebyAlexander the Great,as well as numerous siege operations carried out by his successors, such as thesiege of RhodesbyDemetrius Poliorcetes.[20]

Construction[edit]

The Lenormant Relief, from theAthenian Acropolis,depicting the rowers of an "aphract" Athenian trireme,c. 410 BC.Found in 1852, it is one of the main pictorial testaments to the layout of thetrireme.

There were two chief design traditions in the Mediterranean, the Greek and the Punic (Phoenician/Carthaginian) one, which was later copied by the Romans. As exemplified in the trireme, the Greeks used to project the upper level of oars through anoutrigger(parexeiresia), while the later Punic tradition heightened the ship, and had all three tiers of oars projecting directly from the side hull.[21]

Based on iconographic evidence from coins, Morrison and Coates have determined that the Punic triremes in the 5th and early 4th centuries BC were largely similar to their Greek counterparts, most likely including an outrigger.[22]From the mid-4th century, however, at about the time the quinquereme was introduced in Phoenicia, there is evidence of ships without outriggers. This would have necessitated a different oar arrangement, with the middle level placed more inwards, as well as a different construction of the hull, with side-decks attached to it. From the middle of the 3rd century BC onwards, Carthaginian "fives" display a separate "oar box" that contained the rowers and that was attached to the main hull. This development of the earlier model entailed further modifications, meaning that the rowers would be located above deck, and essentially on the same level.[23][24]This would allow the hull to be strengthened, and have increased carrying capacity in consumable supplies, as well as improve the ventilation conditions of the rowers, an especially important factor in maintaining their stamina, and thereby improving the ship's maintainable speed.[25]It is unclear however whether this design was applied to heavier warships, and although the Romans copied the Punic model for their quinqueremes, there is ample iconographic evidence of outrigger-equipped warships used until the lateimperial period.

In the AthenianSicilian Expeditionof 415–413 BC, it became apparent that the topmost tier of rowers, thethranitai,of the "aphract" (un-decked and unarmoured) Athenian triremes were vulnerable to attack by arrows and catapults. Given the prominence of close-quarters boarding actions in later years,[14]vessels were built as "cataphract" ships, with a closed hull to protect the rowers, and a full deck able to carry marines and catapults.[6][26]

Heavy warships[edit]

Quadrireme[edit]

1-10 model reconstruction of a quadrireme based on a graffito from Alba Fucens in Italy, mid-1st century AD, Museum für Antike Schiffahrt, Mainz (34305899133)

Pliny the Elderreports thatAristotleascribed the invention of the quadrireme (Latin:quadriremis;Greek:τετρήρης,tetrērēs) to theCarthaginians.[27]Although the exact date is unknown, it is most likely the type was developed in the latter half of the 4th century BC.[28]Their first attested appearance is at theSiege of TyrebyAlexander the Greatin 332 BC,[29]and a few years later, they appear in the surviving naval lists of Athens.[6][30]In the period after Alexander's death (323 BC), the quadrireme proved very popular: the Athenians made plans to build 200 of these ships, and 90 out of 240 ships of the fleet ofAntigonus I Monophthalmus(r. 306–301 BC) were "fours". Subsequently, the quadrireme was favoured as the main warship of theRhodiannavy, the sole professional naval force in the Eastern Mediterranean.[31]In theBattle of Naulochusin 36 BC, "fours" were the most common ship type fielded by the fleet ofSextus Pompeius,[32]and several ships of this kind are recorded in the two praetorian fleets of theImperial Roman navy.

It is known from references from both theSecond Punic Warand theBattle of Mylaethat the quadrireme had two levels of oarsmen, and was therefore lower than the quinquereme,[30]while being of about the same width (c. 5.6 m).[33]Its displacement must have been around 60 tonnes, and its carrying capacity atc. 75marines.[33]It was especially valued for its great speed and manoeuvrability, while its relatively shallow draught made it ideal for coastal operations.[30]The "four" was classed as a "major ship" (maioris formae) by the Romans,[30]but as a light craft, serving alongside triremes, in the navies of the major Hellenistic kingdoms likeEgypt.[34]

Quinquereme[edit]

TheIsola Tiberinaprow inRome.according to Coates, it depicts a Greek-type "five" or "six",[33]while according to Murray, it is a "five".[35]

Perhaps the most famous of the Hellenistic-era warships, because of its extensive use by the Carthaginians and Romans, the quinquereme (Latin:quīnquerēmis;Greek:πεντήρης,pentērēs) was invented by the tyrant ofSyracuse,Dionysius I(r. 405–367 BC) in 399 BC, as part of a major naval armament program directed against the Carthaginians.[36]During most of the 4th century, the "fives" were the heaviest type of warship, and often used as flagships of fleets composed of triremes and quadriremes.[37]Sidonhad them by 351, and Athens fielded some in 324.[6]

In the eastern Mediterranean, they were superseded as the heaviest ships by the massive polyremes that began appearing in the last two decades of the 4th century,[6]but in the West, they remained the mainstay of the Carthaginian navy. When theRoman Republic,which hitherto lacked a significant navy, was embroiled in theFirst Punic Warwith Carthage, theRoman Senateset out to construct a fleet of 100 quinqueremes and 20 triremes.[38]According toPolybius,the Romans seized a shipwrecked Carthaginian quinquereme and used it as a blueprint for their own ships,[39]but it is stated that the Roman copies were heavier than the Carthaginian vessels, which were better built.[37]The quinquereme provided the workhorse of the Roman and Carthaginian fleets throughout their conflicts, although "fours" and "threes" are also mentioned. Indeed, so ubiquitous was the type that Polybius uses it as a shorthand for "warship" in general.[40]

According to Polybius, at theBattle of Cape Ecnomus,the Roman quinqueremes carried a total crew of 420, 300 of whom were rowers, and the rest marines.[41]Leaving aside a deck crew ofc. 20men, and accepting the 2–2–1 pattern of oarsmen, the quinquereme would have 90 oars in each side, and 30-strong files of oarsmen.[37]The fully decked quinquereme could also carry a marine detachment of 70 to 120, giving a total complement of about 400.[14]A "five" would bec. 45 mlong, displace around 100 tonnes, be some 5 m wide at water level, and have its deck standingc. 3 mabove the sea.[14]Polybius said the quinquereme was superior to the old trireme,[42]which was retained in service in significant numbers by many smaller navies. Accounts byLivyandDiodorus Siculusalso show that the "five", being heavier, performed better than the triremes in bad weather.[37]

TheRepublic of Venicein the 1520s built what was called a quinquereme based on the design ofVettor Fausto,who based it on his readings of classical texts.[43]

Hexareme[edit]

The hexareme or sexireme (Latin:hexēris;Greek:ἑξήρης,hexērēs) is affirmed by the ancient historians Pliny the Elder andAelianto have been invented in Syracuse.[44]"Sixes" were certainly present in the fleet ofDionysius II of Syracuse(r. 367–357 and 346–344 BC), but they may well have been invented in the last years of his father, Dionysius I.[28]"Sixes" were rarer than smaller vessels, and appear in the sources chiefly as flagships: at the Battle of Ecnomus, the twoRoman consulseach had a hexareme,Ptolemy XII(r. 80–58 and 55–51 BC) had one as his personal flagship, as did Sextus Pompeius.[28][33]At theBattle of Actium,hexaremes were present in both fleets, but with a notable difference: while in the fleet ofOctavianthey were the heaviest type of vessel, in the fleet ofMark Antonythey were the second smallest, after the quinqueremes.[45]A single hexareme, theOps,is later recorded as the heaviest ship serving in the praetorianFleet of Misenum.

The exact arrangement of the hexareme's oars is unclear. If it evolved naturally from the earlier designs, it would be a trireme with two rowers per oar;[46]the less likely alternative is that it had two levels with three oarsmen at each.[28]Reports about "sixes" used during the 1st-century BC Roman civil wars indicate that they were of a similar height to the quinqueremes, and record the presence of towers on the deck of a "six" serving as flagship toMarcus Junius Brutus.[28]

Septireme[edit]

Pliny the Elder attributes the creation of the septireme (Latin:septiremis;Greek:ἑπτήρης,heptērēs) to Alexander the Great.[47]Curtiuscorroborates this, and reports that the king gave orders for wood for 700 septiremes to be cut inMount Lebanon,[48]to be used in his projected circumnavigations of theArabian peninsulaandAfrica.ForSalamis,Demetrius Poliorceteshad seven such ships built in Phoenicia and, later,Ptolemy II(r. 283–246 BC) had 36 septiremes constructed.[49]Pyrrhus of Epirus(r. 306–302 and 297–272 BC) also apparently had at least one "seven", which was captured by the Carthaginians and eventually lost atMylae.[50]

Presumably, the septireme was derived by adding a standing rower to the lower level of the hexareme.[49]

Octeres[edit]

Graffiti from the Greek colony ofNymphaionin theCrimea,depicting a heavy polyreme of the 3rd century BC, with fore- and aft-castles.

Very little is known about the octeres (Greek:ὀκτήρης,oktērēs). At least two of their type were in the fleet ofPhilip V of Macedon(r. 221–179 BC) at theBattle of Chiosin 201 BC, where they were rammed in their prows. Their last appearance was at Actium, where Mark Antony is said byPlutarchto have had many "eights".[49]Based on the comments ofOrosiusthat the larger ships in Antony's fleet were only as high as the quinqueremes (their deck standing atc. 3 mabove water), it is presumed that "eights", as well as the "nines" and "tens", were rowed at two levels.[51]

An exceptionally large "eight", theLeontophoros,is recorded byMemnon of Heracleato have been built byLysimachus(r. 306–281 BC), one of theDiadochi.It was richly decorated, required 1,600 rowers (8 files of 100 per side) and could support 1,200 marines. Remarkably for a ship of its size, its performance at sea was reportedly very good. The Romans used similar ships as troop carriers and flagships.[49]

Enneres[edit]

The enneres (Greek:ἐννήρης) is first recorded in 315 BC, when three of their type were included in the fleet of Antigonus Monophthalmus. The presence of "nines" in Antony's fleet at Actium is recorded byFlorusandCassius Dio,although Plutarch makes explicit mention only of "eights" and "tens". The oaring system may have been a modification of the quadrireme, with two teams of five and four oarsmen.[52]

Deceres[edit]

Like the septireme, thedeceres(Greek:δεκήρης,dekērēs) is attributed by Pliny to Alexander the Great,[47]and they are present alongside "nines" in the fleet of Antigonus Monophthalmus in 315 BC. Indeed, it is most likely that the "ten" was derived from adding another oarsman to the "nine". A "ten" is mentioned as Philip V's flagship at Chios in 201 BC, and their last appearance was at Actium, where they constituted Antony's heaviest ships.[52]

Larger polyremes[edit]

This graffito perhaps represents a very large polyreme ship, as it shows 50 oars on one side. It was first copied by Capt. Carlini in the 1930s and is now preserved at theArchaeological Museum of Deloswhere this picture was taken in 2015.

The tendency to build ever bigger ships that appeared in the last decades of the 4th century did not stop at the "ten".Demetrius Poliorcetesbuilt "elevens", "thirteens", "fourteens", "fifteens" and "sixteens", and his son,Antigonus II Gonatashad an "eighteen", while Ptolemy II's navy fielded 14 "elevens", 2 "twelves", 4 "thirteens", and even one "twenty" and two "thirties".[10][52]Eventually,Ptolemy IVbuilt a "forty" (tessarakonteres) that was 130m long, required 4,000 rowers and 400 other crew, and could support a force of 2,850 marines on its decks.[53]However, "tens" seem to be the largest to have been used in battle.[54]

The larger polyremes were possibly double-hulledcatamarans.[55]It has been suggested that, with the exception of the "forty", these ships must have been rowed at two levels.[52]

Light warships[edit]

Several types of fast vessels were used during this period, the successors of the 6th and 5th-century BC triacontors (τριακόντοροι,triakontoroi,"thirty-oars" ) andpentecontors(πεντηκόντοροι,pentēkontoroi,"fifty-oars" ). Their primary use was in piracy and scouting, but they also found their place in the battle line.

A Romanbiremedepicted in arelieffrom the Temple ofFortuna PrimigeniainPraeneste(Palastrina),[56]which was builtc. 120 BC;[57]exhibited in the Pius-Clementine Museum (Museo Pio-Clementino) in theVatican Museums.

Lembos[edit]

The termlembos(fromGreek:λέμβος,"skiff", inLatinlembus) is used generically for boats or light vessels, and more specifically for a light warship,[58]most commonly associated with the vessels used by theIllyrian tribes,chiefly for piracy, in the area ofDalmatia.[59]This type of craft was also adopted by Philip V of Macedon, and soon after by theSeleucids,Rome, and even theSpartankingNabisin his attempt to rebuild the Spartan navy.[60]

In contemporary writings, the name was associated with a class rather than a specific type of vessels, as considerable variation is evident in the sources: the number of oars ranged from 16 to 50, they could be one- or double-banked, and some types did not have a ram, presumably being used as couriers and fast cargo vessels.[61]

Hemiolia[edit]

Thehemioliaorhemiolos(Greek:ἡμιολία [ναῦς]orἡμίολος [λέμβος]) was a light and fast warship that appeared in the early 4th century BC. It was particularly favoured by pirates in the eastern Mediterranean,[62]but also used by Alexander the Great as far as the riversIndusandHydaspes,and by the Romans as a troop transport.[63]It is likely that the type was invented by pirates, probably inCaria.[64]

Little is known of their characteristics, butArrian,based onPtolemy I(r. 323–283 BC), includes them amongst the triacontors. According to one view, it was manned by half the number of oarsmen to make room for the fighters.[65]According to another, there were one and a half files of oarsmen on each side, with the additional half file placed amidships, where the hull was wide enough to accommodate them.[63]In this view, they could have had 15 oars on each side, with a full file of ten and a half file of five or instead the middle oars may have been double-manned.[66]Given their lighter hulls, greater length and generally slimmer profile, the hemiolia would have had an advantage in speed even over other light warships like the liburnian.[51]

Trihemiolia[edit]

Relief of a Rhodian galley, most likely atrihemiolia,carved in the rock beneath the acropolis ofLindos.

Thetrihemiolia(Greek:τριημιολία [ναῦς]) first appears in accounts of theSiege of Rhodesby Demetrius Poliorcetes in 304 BC, where a squadron oftrihemioliaiwas sent out ascommerce raiders.[67]The type was one of the chief vessels of the Rhodian navy, and it is very likely that it was also invented there, as a counter to the pirates' swifthemioliai.[68][69]So great was the attachment of the Rhodians to this type of vessel, that for a century after their navy was abolished byGaius Cassius Longinusin 46 BC, they kept a few as ceremonial vessels.[70]

The type was classed with the trireme, and had two and a half files of oarsmen on each side. Judging from the Lindos relief and the famousNike of Samothrace,both of which are thought to representtrihemioliai,[51]the two upper files would have been accommodated in an oarbox, with the half-file located beneath them in the classicthalamitaiposition of the trireme.[34]The Lindos relief also includes a list of the crews of twotrihemioliai,allowing us to deduce that each was crewed by 144 men, 120 of whom were rowers (hence a full file numbered 24).[34]Reconstruction based on the above sculptures shows that the ship was relatively low, with a boxed-in superstructure, a displacement ofc. 40tonnes, and capable of reaching speeds comparable with those of a full trireme.[51]Thetrihemioliawas a very successful design, and was adopted by the navies ofPtolemaic Egyptand Athens among others. Despite being classed as lighter warships, they were sometimes employed in a first-line role, for instance at theBattle of Chios.[34]

Liburnians[edit]

Bireme Roman warships, probably liburnians, of the Danube fleet duringTrajan's Dacian Wars.

Theliburnian(Latin:liburna,Greek:λιβυρνίς,libyrnis) was a variant oflembosinvented by the tribe of theLiburnians.Initially used for piracy and scouting, this light and swift vessel was adopted by the Romans during theIllyrian Wars,and eventually became the mainstay of the fleets of the Roman Empire following Actium, displacing the heavier vessels. Especially the provincial Roman fleets were composed almost exclusively of liburnians.[71]Livy,LucanandAppianall describe the liburnian as bireme; they were fully decked (cataphract) ships, with a sharply pointed prow, providing a more streamlined shape designed for greater speed.[72]In terms of speed, the liburnian was probably considerably slower than a trireme, but on a par with a "five".[64]

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