The Setantii (sometimes read as Segantii ) were a possible pre- Roman British people who apparently lived in the western and southern littoral of Lancashire in England . It is thought likely they were a sept or sub-tribe of the Brigantes , who, at the time of the Roman invasion , dominated much of what is now northern England .
45-482: The Setantii name is known from a single source only, the 2nd century Geographia of Ptolemy . Recorded there is the placename Portus Setantiorum (Port of the Setantii). Its precise location remains unknown although various suggestions have been made, including the possibility that it has since been lost to the sea. Also recorded by Ptolemy is the hydronym Seteia , assumed by its position in his text to refer to
90-549: A figure of 180,000 stadia for the circumference of the Earth, which he described as a "general consensus". Ptolemy rescaled experimentally obtained data in many of his works on geography, astrology, music, and optics. Athanasius I of Constantinople Athanasius I ( Greek : Ἀθανάσιος ; 1230 – 28 October 1310) was the Ecumenical Patriarch of Constantinople for two terms, from 1289 to 1293 and 1303 to 1309. He
135-576: A quarter of the globe. Ptolemy's work included a single large and less detailed world map and then separate and more detailed regional maps. The first Greek manuscripts compiled after Maximus Planudes 's rediscovery of the text had as many as 64 regional maps. The standard set in Western Europe came to be 26: 10 European maps, 4 African maps, and 12 Asian maps. As early as the 1420s, these canonical maps were complemented by extra-Ptolemaic regional maps depicting, e.g., Scandinavia . An outline of
180-688: A scribal error was made and Cattigara was located at eight and a half degrees South of the Equator. On Ptolemaic maps, such as that of Martellus, Catigara was located on the easternmost shore of the Mare Indicum, 180 degrees East of the Cape St Vincent at, due to the scribal error, eight and a half degrees South of the Equator. Catigara is also shown at this location on Martin Waldseemüller's 1507 world map, which avowedly followed
225-399: Is a treatise on cartography and chorography , describing the methods used to assemble and arrange Ptolemy's data. From Book II through the beginning of Book VII, a gazetteer provides longitude and latitude values for the world known to the ancient Romans (the " ecumene "). The rest of Book VII provides details on three projections to be used for the construction of a map of
270-648: Is used now, though Ptolemy used fractions of a degree rather than minutes of arc. His Prime Meridian , of 0 longitude , ran through the Fortunate Isles , the westernmost land recorded, at around the position of El Hierro in the Canary Islands . The maps spanned 180 degrees of longitude from the Fortunate Isles in the Atlantic to China . Ptolemy was aware that Europe knew only about
315-648: The Geographia and the Cosmographia , is a gazetteer , an atlas , and a treatise on cartography , compiling the geographical knowledge of the 2nd-century Roman Empire . Originally written by Claudius Ptolemy in Greek at Alexandria around 150 AD, the work was a revision of a now-lost atlas by Marinus of Tyre using additional Roman and Persian gazetteers and new principles. Its translation – Kitab Surat al-Ard – into Arabic by Al-Khwarismi in
360-587: The Breton legends surrounding " Enez-Sizun " and the Lost City of Ys . Rhys posited that, although the name was Brythonic in origin, the soundings of the later legends left no doubt that "we have in these names distant echoes of an inundation story , once widely current in both Britains (Great Britain and Brittany) and perhaps also in Ireland". Although he acknowledged he was unaware of any similar legend on
405-488: The Canary Islands . He said that he had sailed 1100 leagues from the Canaries when he found Cuba in 1492. This was approximately where he thought the coast of eastern Asia would be found. On this basis of calculation he identified Hispaniola with Cipangu, which he had expected to find on the outward voyage at a distance of about 700 leagues from the Canaries. His later voyages resulted in further exploration of Cuba and in
450-705: The Geography in providing the coordinates for 545 cities and regional maps of the Nile , the Island of the Jewel , the Sea of Darkness, and the Sea of Azov . A 1037 copy of these are the earliest extant maps from Islamic lands. The text clearly states that al-Khwārazmī was working from an earlier map, although this could not have been an exact copy of Ptolemy's work: his Prime Meridian
495-732: The Magnus Sinus . This known portion of the world was comprised within 180 degrees. In his extreme east Ptolemy placed Serica (the Land of Silk), the Sinarum Situs (the Port of the Sinae ), and the emporium of Cattigara . On the 1489 map of the world by Henricus Martellus, which was based on Ptolemy's work, Asia terminated in its southeastern point in a cape, the Cape of Cattigara. Cattigara
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#1732772536860540-633: The Marvels of the Seven Climes to the End of Habitation . Surviving maps from the medieval period were not done according to mathematical principles. The world map from the 11th-century Book of Curiosities is the earliest surviving map of the Muslim or Christian worlds to include a geographic coordinate system but the copyist seems to have not understood its purpose, starting it from the left using twice
585-638: The River Mersey . Sir John Rhys linked the name of the Setantii with Seithenyn , a figure in Welsh mythology . Seithenyn was a prince with responsibilities over the sea defences of Cantre'r Gwaelod . Drunkenly neglecting his duties one night, the sea overran the kingdom, and it sank beneath Cardigan Bay . Rhys noted the similarities between Setantii, Seithenyn, the Irish Sétanta Beg , and
630-483: The 12th century AD. However, no copy of that translation has survived. The Greek text of the Geography reached Florence from Constantinople in about 1400 and was translated into Latin by Jacobus Angelus of Scarperia around 1406. The first printed edition with maps, published in 1477 in Bologna , was also the first printed book with engraved illustrations. Many editions followed (more often using woodcut in
675-403: The 3rd century BC. Ptolemy improved the treatment of map projections . He provided instructions on how to create his maps in the first section of the work. The gazetteer section of Ptolemy's work provided latitude and longitude coordinates for all the places and geographical features in the work. Latitude was expressed in degrees of arc from the equator , the same system that
720-515: The 9th century was highly influential on the geographical knowledge and cartographic traditions of the Islamic world . Alongside the works of Islamic scholars – and the commentary containing revised and more accurate data by Alfraganus – Ptolemy's work was subsequently highly influential on Medieval and Renaissance Europe. Versions of Ptolemy's work in antiquity were probably proper atlases with attached maps, although some scholars believe that
765-563: The Elder demonstrated a reluctance to rely on the contemporary accounts of sailors and merchants who plied distant areas of the Indian Ocean , Marinus and Ptolemy betray a much greater receptiveness to incorporating information received from them. For instance, Grant Parker argues that it would be highly implausible for them to have constructed the Bay of Bengal as precisely as they did without
810-770: The Lancashire coast (such as the inundation of Portus Setantiorum), Rhys linked all the later legends back to the Setantii of Lancashire. Sétanta , the birth name of the Irish legendary figure Cú Chulainn , may also be linked to the Setantii. This article related to the history of the United Kingdom or its predecessor states is a stub . You can help Misplaced Pages by expanding it . Geographia (Ptolemy) The Geography ( Ancient Greek : Γεωγραφικὴ Ὑφήγησις , Geōgraphikḕ Hyphḗgēsis , lit. "Geographical Guidance"), also known by its Latin names as
855-400: The above stemma descends, even if maps existed in antiquity: "The transmission of Ptolemy's text certainly passed through a stage when the manuscripts were too small to contain the maps. Planudes and his assistants therefore probably had no pictorial models, and the success of their enterprise is proof that Ptolemy succeeded in his attempt to encode the map in words and numbers. The copies of
900-553: The accounts of sailors. When it comes to the account of the Golden Chersonese (i.e. Malay Peninsula ) and the Magnus Sinus (i.e. Gulf of Thailand and South China Sea ), Marinus and Ptolemy relied on the testimony of a Greek sailor named Alexandros, who claimed to have visited a far eastern site called " Cattigara " (most likely Oc Eo , Vietnam , the site of unearthed Antonine -era Roman goods and not far from
945-568: The basis of his (now lost) Chorography of the Ecumene . Later imperial writers and mathematicians, however, seem to have restricted themselves to commenting on Ptolemy's text, rather than improving upon it; surviving records actually show decreasing fidelity to real position. Nevertheless, Byzantine scholars continued these geographical traditions throughout the Medieval period. Whereas previous Greco-Roman geographers such as Strabo and Pliny
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#1732772536860990-503: The coordinates provided by the text, as Planudes was forced to do. Later scribes and publishers could then copy these new maps, as Athanasius did for the emperor Andronicus II Palaeologus . The three earliest surviving texts with maps are those from Constantinople ( Istanbul ) based on Planudes's work. The first Latin translation of these texts was made in 1406 or 1407 by Jacobus Angelus in Florence , Italy , under
1035-460: The discovery of South and Central America . At first South America, the Mundus Novus ( New World ) was considered to be a great island of continental proportions; but as a result of his fourth voyage , it was apparently considered to be identical with the great Upper India peninsula ( India Superior ) represented by Behaim – the Cape of Cattigara. This seems to be the best interpretation of
1080-520: The early days), some following traditional versions of the maps, and others updating them. An edition printed at Ulm in 1482 was the first one printed north of the Alps . Also in 1482, Francesco Berlinghieri printed the first edition in vernacular Italian . Ptolemy had mapped the whole world from the Fortunatae Insulae ( Cape Verde or Canary Islands ) eastward to the eastern shore of
1125-474: The encyclopedia follows, with links to the appropriate Misplaced Pages article. The original treatise by Marinus of Tyre that formed the basis of Ptolemy's Geography has been completely lost. A world map based on Ptolemy was displayed in Augustodunum ( Autun , France ) in late Roman times. Pappus , writing at Alexandria in the 4th century, produced a commentary on Ptolemy's Geography and used it as
1170-479: The end of the thirteenth century, which are the earliest extant manuscripts of the Geography; these are U, K & F. Recension, Ξ, is represented by one codex only, X. Mittenhuber agrees with Berggren & Jones, stating that "The so-called Codex X is of particular significance, because it contains many local names and coordinates that differ from the other manuscripts ... which cannot be explained by mere errors in
1215-663: The extensive additions to the Ptolemaic map shown on the 1492 globe of Martin Behaim . The fact that Ptolemy did not represent an eastern coast of Asia made it admissible for Behaim to extend that continent far to the east. Behaim’s globe placed Marco Polo’s Mangi and Cathay east of Ptolemy’s 180th meridian, and the Great Khan’s capital, Cambaluc ( Beijing ), on the 41st parallel of latitude at approximately 233 degrees East. Behaim allowed 60 degrees beyond Ptolemy’s 180 degrees for
1260-409: The intended scale and then (apparently realizing his mistake) giving up halfway through. Its presence does strongly suggest the existence of earlier, now-lost maps which had been mathematically derived in the manner of Ptolemy, al-Khwārazmi, or Suhrāb. There are surviving reports of such maps. Ptolemy's Geography was translated from Arabic into Latin at the court of King Roger II of Sicily in
1305-467: The length of a degree instead of the longer degree of Ptolemy, and by adopting Marinus of Tyre ’s longitude of 225 degrees for the east coast of the Magnus Sinus . This resulted in a considerable eastward advancement of the longitudes given by Martin Behaim and other contemporaries of Columbus. By some process Columbus reasoned that the longitudes of eastern Asia and Cipangu respectively were about 270 and 300 degrees east, or 90 and 60 degrees west of
1350-613: The mainland of Asia and 30 degrees more to the east coast of Cipangu (Japan). Cipangu and the mainland of Asia were thus placed only 90 and 120 degrees, respectively, west of the Canary Islands. The Codex Seragliensis was used as the base of a new edition of the work in 2006. This new edition was used to "decode" Ptolemy's coordinates of Books 2 and 3 by an interdisciplinary team of TU Berlin , presented in publications in 2010 and 2012. Christopher Columbus modified this geography further by using 53⅔ Italian nautical miles as
1395-413: The maps in later manuscripts and printed editions of the Geography were reproduced from Planudes' reconstructions." Mittenhuber (2010) further divides the stemma into two recensions of the original c.AD 150 lost work: Ξ and Ω (c.3rd/4th cent., lost). Recension Ω contains most of the extant manuscripts and is subdivided into a further two groups: Δ and Π . Group Δ contains parchment manuscripts from
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1440-487: The maps were either copied defectively for not at all. "Of the greatest importance for the text of the Geography" they state is manuscript X ( Vat.Gr.191 ); "because it is the only copy that is uninfluenced by the Byzantine revision." e.g. the 13th-14th century corrections of Planudes, possibly associated with recreating the maps. Regarding the maps, they conclude that it was unlikely that extant maps survived from which
1485-488: The name Geographia Claudii Ptolemaei . It is not thought that his edition had maps, although Manuel Chrysoloras had given Palla Strozzi a Greek copy of Planudes's maps in Florence in 1397. Berggren & Jones (2000) place these manuscripts into a stemma whereby U, K, F and N are connected with the activities of Maximos Planudes (c.1255-1305). From a sister manuscript to UKFN descends R, V, W & C, however
1530-414: The references to maps in the text were later additions. No Greek manuscript of the Geography survives from earlier than the 13th century. A letter written by the Byzantine monk Maximus Planudes records that he searched for one for Chora Monastery in the summer of 1295; one of the earliest surviving texts may have been one of those he then assembled. In Europe, maps were sometimes redrawn using
1575-479: The region of Jiaozhi in northern Vietnam where ancient Chinese sources claim several Roman embassies first landed in the 2nd and 3rd centuries). Muslim cartographers were using copies of Ptolemy's Almagest and Geography by the 9th century. At that time, in the court of the caliph al-Maʾmūm , al-Khwārazmī compiled his Book of the Depiction of the Earth ( Kitab Surat al-Ard ) which mimicked
1620-403: The sketch map made by Alessandro Zorzi on the advice of Bartholomew Columbus (Christopher's brother) around 1506, which bears an inscription saying that according to the ancient geographer Marinus of Tyre and Christopher Columbus the distance from Cape St Vincent on the coast of Portugal to Cattigara on the peninsula of India Superior was 225 degrees, while according to Ptolemy the same distance
1665-446: The surviving manuscript tradition can be seen in the epitomes of Markianos by Stephanus : "Καὶ ἄλλοι οὕτως διὰ του π Πρετανίδες νῆσοι, ὡς Μαρκιανὸς καὶ Πτολεμαῖος ." The tradition preserved within the stemma of surviving (13th-14th century) manuscripts by Stückelberger & Grasshoff only preserves " Β " and not " Π " recentions of " Βρεττανικήσ ". The Geography consists of three sections, divided among 8 books. Book I
1710-559: The tradition of Ptolemy. Ptolemy's information was thereby misinterpreted so that the coast of China, which should have been represented as part of the coast of eastern Asia, was falsely made to represent an eastern shore of the Indian Ocean. As a result, Ptolemy implied more land east of the 180th meridian and an ocean beyond. Marco Polo ’s account of his travels in eastern Asia described lands and seaports on an eastern ocean apparently unknown to Ptolemy. Marco Polo’s narrative authorized
1755-629: The tradition.". Although no manuscripts survive from earlier than the late 13th century; there are references to the existence of ancient codicies in late antiquity. One such example is in an epistle by Cassiodorus (c.560 A.D.): “Tum, si vos notitiae nobilis cura inflammaverit, habetis Ptolemaei codicem, qui sic omnia loca evidenter expressit, ut eum cunctarum regionum paene incolam fuisse iudicetis. Eoque fit, ut uno loco positi, sicut monachos decet, animo percurratis, quod aliquorum peregrinatio plurimo labore collegit.”( Institutiones 1, 25) . The existence of ancient recensions that differ fundamentally to
1800-455: The world, varying in complexity and fidelity. Book VIII constitutes an atlas of regional maps. The maps include a recapitulation of some of the values given earlier in the work, which were intended to be used as captions to clarify the map's contents and maintain their accuracy during copying. Maps based on scientific principles had been made in Europe since the time of Eratosthenes in
1845-535: Was 10° east of Ptolemy's, he adds some places, and his latitudes differ. C.A. Nallino suggests that the work was not based on Ptolemy but on a derivative world map, presumably in Syriac or Arabic . The coloured map of al-Maʾmūm constructed by a team including al-Khwārazmī was described by the Persian encyclopædist al-Masʿūdī around 956 as superior to the maps of Marinus and Ptolemy, probably indicating that it
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1890-661: Was 180 degrees. Prior to the 16th century, knowledge of geography in the Ottoman Empire was limited in scope, with almost no access to the works of earlier Islamic scholars that superseded Ptolemy. His Geography would again be translated and updated with commentary into Arabic under Mehmed II , who commissioned works from Byzantine scholar George Amiroutzes in 1465 and the Florentine humanist Francesco Berlinghieri in 1481. There are two related errors: This suggests Ptolemy rescaled his longitude data to fit with
1935-590: Was born in Adrianople and died in Constantinople . Chosen by the emperor Andronicus II Palaeologus as patriarch, he opposed the reunion of the Greek and Roman Churches and introduced an ecclesiastic reform that evoked opposition within the clergy. He resigned in 1293 and was restored in 1303 with popular support. The pro-Union clerical faction forced him into retirement in early 1310. He is commemorated as
1980-433: Was built along similar mathematical principles. It included 4530 cities and over 200 mountains. Despite beginning to compile numerous gazetteers of places and coordinates indebted to Ptolemy, Muslim scholars made almost no direct use of Ptolemy's principles in the maps which have survived. Instead, they followed al-Khwārazmī's modifications and the orthogonal projection advocated by Suhrāb's early 10th-century treatise on
2025-584: Was understood by Ptolemy to be a port on the Sinus Magnus, or Great Gulf, the actual Gulf of Thailand, at eight and a half degrees north of the Equator, on the coast of Cambodia, which is where he located it in his Canon of Famous Cities . It was the easternmost port reached by shipping trading from the Graeco-Roman world to the lands of the Far East. In Ptolemy's later and better-known Geography ,
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