Did Ptolemy know about the Cape of Good Hope and was it described in a world map?

https://landsat.gsfc.nasa.gov/wp-content/uploads/2013/11/1280px-Claudius_Ptolemy-_The_World.jpg

Notice the bottom of the map in the Indian Ocean - it appears to conform to the shoreline of Southern and Southwestern Africa possibly up to Nigeria (forming the two rivers near Cattigara that come together akin to Lagos etc.). Given the rejection of sun on different sides of the ship noted in the commentary of the Necho circumnavigation, what are your thoughts about Greek/Roman/other ancient explorers circumnavigating the African continent?
 
The closest any ancient sailor came to circumnavigating Africa was according to most scholars Hanno the Great of Carthage. He recorded seeing a tribe of barbaric, brutishly large men that some now argue referred to the lowland gorilla...so maybe he got as far as the Congo coast. Some believe he went further but there really isn't a way to tell from our scarce records. Remember that basically everything the Carthaginians ever wrote had an unfortunate encounter with Scipio Aemelianus...
 
The closest any ancient sailor came to circumnavigating Africa was according to most scholars Hanno the Great of Carthage. He recorded seeing a tribe of barbaric, brutishly large men that some now argue referred to the lowland gorilla...so maybe he got as far as the Congo coast. Some believe he went further but there really isn't a way to tell from our scarce records. Remember that basically everything the Carthaginians ever wrote had an unfortunate encounter with Scipio Aemelianus...
Depends on whether you consider the Phoenician expedition sent by Necho II to successfully circumnavigate Africa to have actually happened or just been some hearsay Herodotus received in Egypt. Modern historians have actually confirmed that such an expedition would have been possible with 7th-6th century ships and Herodotus's description of the behavior of the Sun past the Tropic of Capricorn is scientifically accurate... but, then again, why would a pharaoh ever send such an expedition and why was it never reported elsewhere? shrug

Last time I read about Hanno's expedition, it mapped the farthest reach of his expedition to Sierra Leone.
 
Depends on whether you consider the Phoenician expedition sent by Necho II to successfully circumnavigate Africa to have actually happened or just been some hearsay Herodotus received in Egypt. Modern historians have actually confirmed that such an expedition would have been possible with 7th-6th century ships and Herodotus's description of the behavior of the Sun past the Tropic of Capricorn is scientifically accurate... but, then again, why would a pharaoh ever send such an expedition and why was it never reported elsewhere? shrug

Last time I read about Hanno's expedition, it mapped the farthest reach of his expedition to Sierra Leone.
Well do not exclude who world chronologies before the start of classical Greece age are messed and so Minoic, Micenean, Egyptian and Middle East chronologies are mixed and we know some kings or kingdoms with more names and we can not exclude who, if chronologies are really messed, as archelogical discoveries are suggesting, some classical association of names in books and chronicles are wrong (as they were based on a wrong chronology). The only thing aboutr we can be sure as today is who some kings (of well know kingdoms also) and kingdoms have practically vanished without left any archeological vestige and we do not know the exact locations of some historically well know kingdoms in Middle East and their main cities.
 
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Depends on whether you consider the Phoenician expedition sent by Necho II to successfully circumnavigate Africa to have actually happened or just been some hearsay Herodotus received in Egypt. Modern historians have actually confirmed that such an expedition would have been possible with 7th-6th century ships and Herodotus's description of the behavior of the Sun past the Tropic of Capricorn is scientifically accurate... but, then again, why would a pharaoh ever send such an expedition and why was it never reported elsewhere? shrug

Last time I read about Hanno's expedition, it mapped the farthest reach of his expedition to Sierra Leone.
Prestige, curiosity
 
https://landsat.gsfc.nasa.gov/wp-content/uploads/2013/11/1280px-Claudius_Ptolemy-_The_World.jpg

Notice the bottom of the map in the Indian Ocean - it appears to conform to the shoreline of Southern and Southwestern Africa possibly up to Nigeria (forming the two rivers near Cattigara that come together akin to Lagos etc.). Given the rejection of sun on different sides of the ship noted in the commentary of the Necho circumnavigation, what are your thoughts about Greek/Roman/other ancient explorers circumnavigating the African continent?

There is Eudoxus of Cyzicus, at the time of Ptolemy VIII who definitely did try to circumnavigate Africa after his Indian voyages. Now if you believe Pliny he actually made it, chances are he died in the second attempt. Either way though it seems pretty clear that it was accepted that you could go around Africa. Also of some interest is that supposedly Eudoxus got the idea after finding the remains of what he surmised was a Phoenician/Carthaginian ship. So at a guess Necho's ships likely made it and we have at least two documented attempts on record during the Hellenistic era, that both likely failed.
 
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