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Piri Reis-kortet blev formodentlig tegnet i [[1513]]
<ref>Webarchive backup: [httphttps://web.archive.org/web/20071005023702/http://www.prep.mcneese.edu/engr/engr321/preis/notes.htm McNeese State University: The Piri Reis map of 1513 contains notes written on the map in Turkish] Citat: "...IV. This map was drawn by Piri Ibn Haji Mehmed, known as the nephew of Kemal Reis, in Gallipoli, in the month of muharrem of the year 919 (that is, between the 9th of March and the 7th of April of the year 1513)..."</ref>
<ref name="mercatormag">Webarchive backup: [httphttps://web.archive.org/web/20030624235201/http://www.mercatormag.com/article.php3?i=73 Gregory C. McIntosh], ''The tale of two admirals – Columbus and the Piri Reis Map of 1513'', Mercator's World (<nowiki>Maj/June</nowiki>, 2000).</ref>
og er af nogle blevet kaldt et [[gåde]]fuldt [[kort (geografi)|kort]], da det bl.a. afbilder atlanterhavskysten i [[Nordamerika]], [[Sydamerika]], [[Afrika]] og muligvis [[Antarktis]]' nordlige [[kystlinje]] uden [[is (vand)|is]].
En mere sandsynlig forklaring er, at "Antarktis' nordlige kystlinje" på kortet, faktisk er det nederste af [[Sydamerika]]s kystlinje, som er "bukket op til højre" for at kunne være med på kortet, hvilket græsset og dyrene, samt teksten om disse på denne del af kortet også peger på.
<ref>Webarchive backup: [httphttps://web.archive.org/web/20081013074233/http://muweb.millersville.edu/~columbus/data/art/LUNDE01.ART Fra McNeese State University: "Piri Reis and the Columbian Theory" in "Aramco World Magazine" (Jan-Feb 1980) by Paul Lunde] Citat: "...There may, in fact, be an even simpler explanation of the presence of "Antarctica" on the Piri Reis map..."</ref>
Antarktis blev officielt først opdaget i [[1818]].
<ref>[http://www.intersurf.com/~chalcedony/FOG9.html Re: Piri Reis Map] Citat: "...William Miller wrote:...The examinations that I have made of it show all sorts of errors that certainly falsify any claim of unusual accuracy for this map..."</ref>
<ref name="mercatormag"/>
<ref>Webarchive backup: [httphttps://web.archive.org/web/20030416161823/http://www.survive2012.com/pirireismap.html Webarchive backup: Survive 2012: Piri Reis] Citat: "...The projections originate from a point at the intersection of the meridian of Alexandria (30°E) and the Tropic of Cancer....Longitudes were not able to be accurately calculated until the 1770's when John Harrison invented his Chronometer No.4. However, the Piri Reis map has correct and accurate relative longitudes...Maps by [[Gerardus Mercator|Mercator]], [[Oronteus Fineaus]] and [[Phillipe Buache]] also show the pre-glacial Antarctica – before it was discovered ..."</ref>
<ref>Webarchive backup: [httphttps://web.archive.org/web/20001005182410/http://www.geocities.com/Area51/Cavern/9956/piri3.html Commander Ohlmeyer's letter] Citat: "...The geographical detail shown in the lower part of the map agrees very remarkably with the results of the seismic profile made across the top of the ice-cap by the Swedish-British Antarctic Expedition of [[1949]]. This indicates the coastline had been mapped before it was covered by the ice-cap...."</ref>
== Andet verdenskort ==
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