[HN Gopher] Egyptian Circumnavigation of Africa ~600 BC
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       Egyptian Circumnavigation of Africa ~600 BC
        
       Author : KhoomeiK
       Score  : 140 points
       Date   : 2021-05-27 16:37 UTC (6 hours ago)
        
 (HTM) web link (www.livius.org)
 (TXT) w3m dump (www.livius.org)
        
       | thedogeye wrote:
       | Love that this page was created in 1996.
        
       | etrevino wrote:
       | As a data point in the story's favor: there was the Phoenician
       | Ship Expedition (conducted in, I think, 2010) which
       | circumnavigated Africa in a replica ship. I assume it managed to
       | get past Cape Bojador because of the boat's shallow draft.
        
       | sthnblllII wrote:
       | This is just Herodotus' account. I don't see any new evidence
       | here.
        
       | sthnblllII wrote:
       | This is just Herodotus' well known account right? I don't see any
       | new evidence here, only an informed guess "reconstruction" of
       | what the trip would have been like.
        
       | fsckboy wrote:
       | I'm skeptical. No matter how good the Phoenician sailors were, it
       | seems unlikely to me that they could have blithely sailed past
       | Cape Bojador[1] https://en.wikipedia.org/wiki/Cape_Bojador Maybe
       | if they had small enough boats to stick close to the shore and
       | portage.
       | 
       | Seafaring on the Mediterranean is simply a lot less complex than
       | it is on the open ocean. The European sailors were not able to
       | pass this point till the 15th century CE; not saying they were
       | better sailors, but that 2000 years later maritime technology was
       | a lot better.
       | 
       | [1] I put in footnotes to point out how stupid footnotes are on
       | HN: just past the link into the text up above, it gets
       | highlighted and works just fine.
        
         | estaseuropano wrote:
         | I'm currently reading Clive Pointing's 'World History - A new
         | perspective'. >800 pages of well researched history with a
         | large Eurasian focus (due to the availability of sources, not
         | bias).
         | 
         | He repeatedly makes the point that some technology that Europe
         | 'discovered' in the 13-19hundreds was in fact known in china
         | 1000+ years earlier. Most of recorded history Europe basically
         | played no role whatsoever.
         | 
         | A few examples that struck me, taken from his snapshot pages
         | 'The world in xxxx' which are scattered throughout the book:
         | 
         | 5000BCE * first smelting of copper in Anatolia and Elam
         | 
         | 2000BCE * glass produced in south west asia * development of
         | the chariot in southwest Asia and china
         | 
         | 600BCE * first production of cast iron in china * iron working
         | in west Africa
         | 
         | 150CE * First use of paper in china * compass in use in china
         | 
         | 600CE * 1200 mile long canal built in china * iron cables for
         | suspension bridges in china * horse collar used in china *
         | paper used in china and korea
         | 
         | 750CE * first wood block printing in China
         | 
         | 1000CE * vikings reach north America * first gunpowder weapons
         | in china * paper money in china * horse collar used in europe
         | 
         | 1200CE * multi-,colour printing in china * European ships adopt
         | Chinese stern-rudder and compass
         | 
         | ...
        
           | sthnblllII wrote:
           | With all these advantages, why did the industrial revolution
           | happen in Europe instead of Asia?
        
             | bigpumpkin wrote:
             | With all these advantages, why did the mobile revolution
             | happen with Apple instead of Microsoft?
        
             | fsckboy wrote:
             | I'm no expert, but China has much, much less arable land
             | than Europe. Something needs to finance industrialization,
             | and in preindustrial times, food was finance because that's
             | what supported a growing population.
        
               | gota wrote:
               | Isn't that largely offset by cultivating a lot of rice,
               | that being so much more efficient as a crop?
               | 
               | What other things are at play, for example, in Japan's
               | bonkers hight population across history?
        
             | Hemospectrum wrote:
             | The industrial revolution was as much a product of
             | economics as technology. If wages for lower-class workers
             | hadn't been nearly so high, the technology might have come
             | and gone without making much of a ripple. In fact, there's
             | an argument to be made that it once did exactly that.
             | Steam-powered machines were known to the Romans, and seen
             | as a stupid novelty.
             | 
             | Disclaimer: I don't know English history well enough to put
             | together a better explanation, but I'm sure this has been
             | the subject of a number of PhD theses. Maybe someone can
             | point to a source that goes into better detail.
        
               | kiba wrote:
               | _The industrial revolution was as much a product of
               | economics as technology. If wages for lower-class workers
               | hadn 't been nearly so high, the technology might have
               | come and gone without making much of a ripple._
               | 
               | The reason why the industrial revolution happened in the
               | UK as it did is disputed by historians.
               | 
               | I would argue that high wage, while important as an
               | incentive for industrial development, isn't a fundamental
               | reason why the industrial revolution happens.
               | 
               | Why? Because the very idea of deliberate invention and
               | continuous improvement must occur to a potential
               | inventor. Otherwise, no invention will occur at all
               | despite continual pressure and despite available low
               | hanging fruits.
               | 
               | Once we have the idea, we can now invent as a whole
               | category of deliberate activity. Only then can incentive
               | drives what gets invented and don't.
               | 
               |  _Steam-powered machines were known to the Romans, and
               | seen as a stupid novelty._
               | 
               | Steam engine in the Hellenistic period were nothing but
               | toys. They can't do useful work.
        
               | c06n wrote:
               | You are completely ignoring philosophy. It was the ideas
               | of freedom, of the possibility of liberty for all, of
               | equality of men, that made the whole enterprise possible.
               | China had the tools, sure. But not the incentives. Their
               | emperor could not let lose a zoo of creativity, for fear
               | of destruction of the empire.
        
             | Tuna-Fish wrote:
             | That is a damn good question that historians still argue
             | over today.
             | 
             | The short version is that the Song dynasty appeared to have
             | all the precursor technology needed for industrialization
             | by the 12th century, but then just didn't. The most
             | commonly held view is probably that society and economics
             | is as important than technology, and that while they at
             | that point had the kind of metallurgy that Europeans could
             | only dream of until the late 18th century, what they didn't
             | have was labor shortages and capitalism, which were what
             | made industrialization something people wanted to actually
             | do. But this is by far not the only proposed explanation.
             | 
             | In general, because of the recent history of the west
             | appears like it, I think we are far too predisposed to view
             | of development as a linear progression towards something,
             | that history has a direction, and that direction is up. For
             | most of history, for most societies, this hasn't really
             | been true. As many societies have spent as long stagnating
             | or even regressing as have advanced. It's just that so long
             | as _one_ advances, eventually it 's going to influence it's
             | neighbors, either by taking them over or by having them
             | frantically play catch-up to not be taken over, and so the
             | whole thing has a direction.
             | 
             | This leads to my pet theory for why Europe: Because Europe
             | has managed for almost the entirety of it's history to
             | avoid being conquered by a single empire, so everyone was
             | always afraid of their neighbors, yet there was a solid
             | enough foundation of international law that everyone wasn't
             | at war with all their neighbors all the time. This created
             | both a backdrop that forced states to push to be more
             | powerful, even over entrenched interests, and the
             | conditions where the best way to do this often enough
             | wasn't beating up your neighbors and taking their stuff.
        
         | boomboomsubban wrote:
         | This mentions the main problem is a sudden shift in wind
         | direction, but would that cause the same issues coming from the
         | south?
        
         | tastyfreeze wrote:
         | Footnotes are useful to not break the flow of a thought with
         | text that isn't meant to be read. Also, because of the link
         | included at the end of a sentence, you were not able to include
         | the conventional full stop immediately after the last character
         | of the sentence.
        
           | phist_mcgee wrote:
           | Pedantic, off-topic comments also break conversational flow.
        
           | ThalesX wrote:
           | It also helps for comments with multiple links to have a
           | footer with all of them.
        
           | fsckboy wrote:
           | we're going off topic here, but i always feel like comments
           | like yours assume that I'm a complete idiot and don't know
           | anything and need to be told something obvious :)
           | 
           | what you say is so obvious, I'd prefer that you read your
           | comment first as representing the generally held wisdom I'm
           | arguing against, and then interpret my comment as a riposte
           | to that. My point was that, and this applies to printed books
           | also, what breaks up flow for me is to go searching for
           | footnotes which by their nature are any place but handy. I'm
           | a detail oriented person, and I want the illumination that
           | extra detailed footnotes provide, and it doesn't distract me
           | at all from what I'm reading--and especially not distracting
           | with regard to a highlighted link
           | 
           | your comment about the missing full stop points out exactly
           | what I'm talking about: you give primacy to the rules of
           | punctuation over the interesting thoughts being conveyed, the
           | unique, human, creative part. I'll bet you just love C's
           | semicolons? (actually, I do love C's semicolons, because I
           | speak C, but I use it as an example because the average
           | person finds them infuriating... and in any case, I actually
           | LOVE when inserting an URL into text frees me from having to
           | add a full stop someplace, whose purpose adds nothing to the
           | information, it's simply a notional convenience to separate
           | one notion from another) <-- see, that R-paren frees me from
           | having to include a period! <-- but the exclamation is
           | required
           | 
           | and I threw in an em-dash up there to show that I also find
           | emdashes--like this--much less distracting than parentheses
           | (parentheses really make the aside take over your train of
           | thought) in terms of figuring out where you are in the
           | original paragraph
           | 
           | (omg, downvotes for the most interesting thing you've read
           | all day, something that points out a number of things you
           | never thought of before? pioneers always die of arrows in the
           | back!)
        
             | tastyfreeze wrote:
             | I made no assumptions of your competency. What I said was
             | obvious to me but, your comment indicated that you didn't
             | understand why people use footnotes on HN. To effectively
             | communicate ideas to the largest number of people it is
             | necessary to follow conventions. Bucking convention reduces
             | your possible audience size.
        
               | fsckboy wrote:
               | I think have higher standards for obviousness than you.
               | 
               | My comment did not indicate that I don't understand
               | footnotes, not here nor in books, that was something you
               | read in. In fact, my comment indicated facility with the
               | subject. A person unfamiliar with footnotes wouldn't even
               | know to call them footnotes, and a person unfamiliar with
               | how they are used on HN would not say "(a) I disagree
               | with how they are used and (b) because links are
               | highlighted to stand out they are not a distraction".
               | What I just wrote there is obvious to me, why not to you?
               | 
               | nobody knows at the beginning of a comment whether later
               | in the comment conventions are going to be bucked, and I
               | highly doubt in a 4 line comment whether inline links or
               | footnoted links are going to make a difference to
               | audience size, i mean seriously!
        
           | ghaff wrote:
           | I really like being able to use footnotes, which
           | unfortunately don't work well with Kindle-style flowing text.
           | 
           | I find it useful to explain some concept that _most_ readers
           | probably know, to bulletproof ( "yes, I'm well aware there
           | are one or two edge cases but they're really not relevant in
           | general. Let's move on."), historical digressions that aren't
           | important to the general point, and references. (Of course,
           | if it's only references, those work fine as end notes.)
        
         | eloff wrote:
         | Fascinating. A passable route was discovered in 1434 by the
         | Portuguese.
         | 
         | > Examining the Pilot Charts for this area, however, it becomes
         | clear that the main concern lies in the changes in winds that
         | occur at about the point at which Cape Bojador is passed in
         | sailing down the coast. It is here that the winds start to blow
         | strongly from the northeast at all seasons. Together with the
         | half-knot set of current down the coast, these conditions would
         | naturally alarm a medieval mariner used to sailing close to the
         | land and having no knowledge of what lay ahead. In the end it
         | was discovered that by sailing well out to sea--far out of
         | sight of land--a more favorable wind could be picked up.
        
         | jasonwatkinspdx wrote:
         | Not a particularly good assumption to make imo.
         | 
         | For example, we now have multiple solid lines of evidence that
         | ancient Polynesians were making it all the way from Oceana to
         | Peru, and back, with some degree of regularity. We see this in
         | human genetics on both sides, as well as the introduction of
         | the potato to Oceana. The Polynesians had a very different
         | approach to navigation than europeans, one based on amassing a
         | great deal of knowledge about currents, bird and sea life
         | behavior, as well as intuitive celestial navigation.
         | 
         | It seems likely the first folks to make this trip were forced
         | into it via a storm or such, but what's stunning is it's clear
         | some of them were able to map the path well enough to be able
         | to find their way back home later. There are still some people
         | who use these navigation skills today. Look up the maps they
         | make with sticks and twine. They're pretty interesting.
         | 
         | In any case, my point is there's historically been a lot of
         | variation in sailing techniques and technology. If you looked
         | at an ancient Polynesian proa, you'd almost certainly assume
         | it's impossible they could cross such a vast distance. But they
         | did. No doubt many drowned, but we know as an empirical fact
         | some made it, and made it back.
         | 
         | The ancient Phoenicians were brilliant mariners. They invented
         | the trireme, the keel, the amphora, etc. It's easy to think of
         | these as crude technologies, especially based on hollywood
         | portrays, but the reality is these were the NASA astronauts of
         | their era. Coordinating large number of rowers that are stuck
         | in the hull and blind to their surroundings is not as trivial
         | as it might seem.
         | 
         | As another comment points out, triremes and similar vessels
         | usually beach at night. The sailors are capable of dragging the
         | things considerably away from the water line. In fact they have
         | to do so relatively often to let the boats dry out for some
         | number of days. Likewise we know of several places around the
         | med where ships were dragged considerable distances over
         | standardized portage/ferrying routes routinely.
         | 
         | This is very different from the ships the Portuguese were using
         | in the 1400s. Their ships were bigger, with deeper draft, and
         | with rock ballast in the lowest hold for stability. They'd have
         | a limited capability to use poles/oars to push themselves
         | through shallows where they were partially dragging, but
         | covering longer distances on land with such ships is infeasible
         | without far more people. Combine that with an aversion to
         | sailing out of sight of the coastline, and you can see why
         | they'd face more issues in this area.
         | 
         | In any case, I'm no authority on these topics, just another
         | curious person on the internet, but I find it entirely
         | plausible the Phoenicians simply walked their boats past this
         | obstacle.
         | 
         | Modern humans have an unfortunate habit of projecting our own
         | perspective on labor onto ancient peoples. Humans are capable
         | of truly astounding things with nothing more than their bodies
         | when focused on a common goal for a sustained time. The best
         | example is neolithic architecture. There was no magic trick to
         | building Stonehenge. They just used a ton of people over a long
         | time to drag the rocks there, and then sea saw them into
         | position.
        
         | wazoox wrote:
         | Cape Bojador prevented travelling north to south for centuries,
         | but south to north maybe not so much.
        
         | narag wrote:
         | _' m skeptical. No matter how good the Phoenician sailors were,
         | it seems unlikely to me that they could have blithely sailed
         | past Cape Bojador_
         | 
         | You assume the coast was the same two milennia before.
         | 
         | My hometown, a thousand km north, was in the coast two thousand
         | years ago. Now it's 5 km inland.
        
         | w0de0 wrote:
         | I'm trying to visualize the sailing conditions the Phoenicians
         | would have faced at Bojador - and not really succeeding,
         | because I don't know enough about their vessels.
         | 
         | But I'm sure the challenge would be different, and potentially
         | less scary, from Henry the Navigator's bane. The Portuguese
         | were in high-freeboard open-ocean sailing carracks, with no
         | effective recourse to rowing. And Bojador, coming from the
         | north, presents a terrifying lee shore: the winds and current
         | push vessels towards it, with shoals extending from the coast.
         | Sailing close to a lee shore is a bit like walking on a slack
         | line: one mistake and disaster is inevitable. You need to
         | accurately predict your drift over the whole transit, you need
         | hope the wind doesn't veer, and because there's a ferocious
         | current too, the wind must not die. In short, it takes a
         | skilled captain and navigator (and the much better strategy is
         | just to sail offshore, which is what the Portuguese eventually
         | did). Even a modern Bermudan yacht would be challenged
         | attempting to transit Bojador southerly and close to shore.
         | 
         | A Phoenician trireme-type-boat would not be able to sail upwind
         | at all - rowing would have been required for this part of the
         | journey. Maybe on a lull day they could out-row the current? In
         | any case, the challenges were different - and they would have
         | had the additional motivation of not being able to turn back
         | for home.
         | 
         | [0] Source: I'm a sailor!
         | 
         | Footnotes so formatted are a shibboleth of this community, not
         | a practicality.
        
           | w0de0 wrote:
           | Also, Hanno the Navigator's journey is slightly better
           | attested and includes traversing the cape north and south.
           | Here is a commented translation of the account, from a
           | Phoenician temple by way of Greek translators:
           | https://www.livius.org/articles/person/hanno-1-the-
           | navigator...
        
         | progre wrote:
         | Why not? The Phoenicians had rowers and could just take down
         | their sails. According to https://en.wikipedia.org/wiki/Trireme
         | they also beached their boats at night so they must have been
         | quite comfortable traveling over shallows.
        
           | simonh wrote:
           | Passing Bojador is something the Phoenecians had no relevant
           | experience for. It's an extensive shallows extending well out
           | to sea with subsurface channels that cause violent and
           | unpredictable surges.
           | 
           | The only way to do it is to sail far out into open ocean,
           | well beyond sight of land, but the change in the winds drives
           | you even further out to sea. Even in the early 1800s it was
           | lethal, sinking as many as a handful of ships per year. Coast
           | hugging just isn't going to cut it.
        
           | alan-crowe wrote:
           | Doesn't "rowing" imply having lots of hungry rowers to feed
           | and therefore a limited range?
        
             | clint wrote:
             | Why do you think they were stopping every couple of months
             | to sow a whole harvest of grain before moving on?
        
               | kencausey wrote:
               | "every couple of months" is clearly an exaggeration and
               | they were stopping at most annually. That said, a large
               | number of hands may have indeed explained the need for
               | large quantities of food, or maybe just the passage of
               | years of time and limited storage space or planning.
        
           | legitster wrote:
           | I think beaching the boats at night and having large rowing
           | crews makes it less likely that they could have
           | circumnavigated Africa. You'd double the amount of time it
           | would take, 6x the amount of food and water needed, and
           | infinitely increase the chance of a hostile encounter.
           | 
           | Not saying it couldn't be done, but the logistics boggle the
           | mind.
        
             | boomboomsubban wrote:
             | It took over two years and they stopped to plant crops
             | according to the story. Add in hunting and foraging, the
             | logistics don't seem difficult.
        
           | fsckboy wrote:
           | the problem is freeboard
           | https://en.wikipedia.org/wiki/Freeboard_(nautical) , i.e. the
           | height of the "wall" of the sides of a ship to keep the
           | splashy water out.
           | 
           | Oars need to be relatively close to the surface of the water,
           | and where there are oarlocks water can get into the ship.
           | Open seas are heavy seas, meaning the waves are very very
           | high; six foot seas are nothing in the ocean, but a bitch to
           | bob around in. And, in heavy seas you need deep draft--the
           | "height" of the boat under water--for stability. Also, the
           | "powerplant" and "fuel" for oars takes up too much space
           | limiting the freight capacity of a ship. This is basically
           | why rowing technology was abandoned for sailing around the
           | world or across oceans. Paddle steamers were used somewhat,
           | but the paddles just don't have the purchase against the
           | surrounding water to move a heavy deep draft ship.
        
       | JoeAltmaier wrote:
       | A lot of somehows and must-haves, which would need addressing
       | before this is more than a tall tale?
        
       | mabbo wrote:
       | > These men made a statement which I do not myself believe,
       | though others may, to the effect that as they sailed on a
       | westerly course round the southern end of Libya, they had the sun
       | on their right - to northward of them.
       | 
       | It's 600BC. The idea that the world is a sphere isn't accepted
       | yet. Herodotus explicitly says he doesn't believe what these
       | sailors said- that the sun was to the north. Yet we know that if
       | a sailor had done what is being described, this unbelievable fact
       | _would_ have been seen (and is regularly seen today by those
       | living in the southern hemisphere).
       | 
       | If they didn't do it, where would this odd fact have even come
       | from?
       | 
       | To me, that leads a lot of credence to the tale. Lots of
       | challenges in the doing, but with the right experienced sailors
       | not impossible at all.
        
         | zamadatix wrote:
         | The article itself says they traded with Yemen and even that is
         | south of the tropic of cancer. Also doesn't take the world
         | being a certain shape for this to occur.
        
       | jmercouris wrote:
       | [?][?] that must have been a remarkable journey!
        
       | herodotus wrote:
       | "The Histories" by Herodotus is a wonderful read, but it really
       | matters which translation you use. The is the one I read:
       | https://www.amazon.com/Histories-Oxford-Worlds-Classics/dp/0...
       | 
       | I also have a newer one translated by Tom Holland, and it seems
       | to be a good choice too. This is how Robin Waterford translates
       | the quoted section (Book Four, section 42):
       | 
       | "After all, Libya us demonstrably surrounded by water, except for
       | the bit of it that forms the boundary with Asia. King Nech of
       | Egypt was the first to discover this, as far as we know; after he
       | abandoned the digging of the canal from the Nile to the Arabian
       | Gulf, his next project was to dispatch ships with Phoenecian
       | crews burg obstructions to return via the Pillars of Hercules
       | into the northern sea and so back to Egypt. So the Phoenicians
       | set out from the Red Sea and sailed into the sea to the south,
       | Every autumn, they would come ashore, cultivate whatever bit of
       | Libya that had reacjhed in their voyage, and wait for harvest
       | time; then, when they had gathered in their crops, they would put
       | to sea again. Consequently it was over two years before they
       | rounded the Pillars of Hercules and arrived back in Egypt. They
       | made a claim which I personally do not believe, although someone
       | else might - that as they were sailing around Libya they had the
       | sun on their right."
       | 
       | Notice that the tone of this translation is informal, which is
       | partly why it is an enjoyable read. But notice also the key
       | difference in the final sentence: the once use in the article (de
       | Selincourt) adds "to the North of them". This is missing from
       | Waterfield and Holland. I suspect that. de Selincourt added this
       | as a clarification. I assume he took other liberties in his
       | translation too.
        
       | rsj_hn wrote:
       | Title is a bit misleading. It was the Phoenicians who
       | circumnavigated Africa, but the trip was _sponsored_ by the
       | Egyptians. Egyptian and Phoenician civilizations were not the
       | same, and the Phoenicians were the master sailers /travellers of
       | the mediterranean at that time, whereas the Egyptians were known
       | for other accomplishments (such as growing wheat, central
       | administration).
        
       | WinstonSmith84 wrote:
       | I'm blown away that the Phoenicians (w/ Egyptians)
       | circumnavigated Africa in 600BC and ... during 2000 years, it was
       | assumed that it was a legend, until being proved otherwise only
       | in 1488 - just a few years before America was (officially)
       | discovered.
        
         | edgyquant wrote:
         | I'm not convinced they did. Not only is this an account by a
         | notorious "liar" (as herodotus is known) but the Egyptians were
         | notoriously bad at sailing due to being spoiled by the Nile.
         | When they travelled in the Red Sea they famously hugged the
         | coast stopping at sundown and they hardly ever went far out on
         | the Mediterranean.
        
           | WinstonSmith84 wrote:
           | I do not have the knowledge to judge Herodotus (for his other
           | stories), however even if he lied purposefully on that one,
           | he is right about many things that practically none could
           | have guessed with the current knowledge of his time.
           | 
           | 1- the position of the sun when navigating in the southern
           | hemisphere.
           | 
           | 2- claiming a journey of 3 years
           | 
           | It could be a coincidence of course. But then that would make
           | from him a very smart and lucky liar - smart because he had
           | to know the earth was round and lucky, because 3 years, it's
           | what it would likely take to do it.
        
             | detritus wrote:
             | As for one, at least, if the Ancient Greeks and Egyptians
             | knew the world was spherical (as they did, and had an
             | approximate measure of its dimension), this could be easily
             | predicted and might make part of whatever speculative
             | discussion they had that was the equivalence of HN or
             | general interested internerdery here.
             | 
             | The second is harder to find an excuse for.
             | 
             | (O/T) Of interest to me is something I learned from HN -
             | https://en.wikipedia.org/wiki/Cape_Bojador - a large rocky
             | shoal off the North Western African coast that scuppered
             | many attempts at sailing around that area. It was, somewhat
             | naively, the first thing in my long life that made me
             | really appreciate how challenging old sea faring would have
             | been.
        
               | kragen wrote:
               | Eratosthenes calculated the diameter of the Earth pretty
               | well in 00240 BCE. Aristotle claimed it was round around
               | 00350 BCE, and might have had a correct value, but
               | uncertainty about units of measurement means his error
               | could have been as large as a factor of 2, and the
               | roundness of the earth was still a matter of debate at
               | the time.
               | 
               | Herodotus died around 00425 BCE and probably wrote closer
               | to 00435 BCE.
               | 
               | They were all "ancient Greeks" (and Eratosthenes lived in
               | Egypt, so I guess he was an "ancient Egyptian" too) but
               | that doesn't mean they were contemporary. Imagine someone
               | in the year 04542 CE writing, "If the ancient Terrans
               | knew about nuclear energy (as they did, and had
               | unreliable and inefficient fission power plants and
               | nuclear weapons), then Lincoln could have easily used
               | atomic bombs in the US Civil War!" The timespan from
               | Lincoln to Hiroshima was 80 years, from Herodotus to
               | Aristotle about 100 years, and from Herodotus to
               | Eratosthenes about 200 years. And those were very
               | eventful centuries, much like our own.
        
               | briankelly wrote:
               | Yes, and there is a large chasm between discovery and
               | information that is widely known and accepted among the
               | population. For instance, many Europeans went with
               | Ptolemy's less accurate calculation (made hundreds of
               | years after Eratosthenes's) until the 16th century.
        
               | kragen wrote:
               | > _there is a large chasm between discovery and
               | information that is widely known and accepted among the
               | population_
               | 
               | There are even more extreme examples of this. The Moscow
               | Papyrus is from 01850 BCE, and it explains how to
               | calculate the area of a hemisphere from its diameter and
               | how to calculate the volume of a truncated pyramid, so
               | this information had already been discovered 3870 years
               | ago--perhaps for many centuries.
               | 
               | Yet what fraction of people today know it? Try asking
               | your taxi driver next time you're on vacation in Peru or
               | the Philippines. Heck, I don't know the pyramid-volume
               | thing myself! I'd have to work it out by integrating a
               | quadratic.
               | 
               | (I recall that studying the calculus as a kid was a bit
               | of a transition for me, because for the first time I came
               | face to face with the realization that most adults'
               | intellectual development was arrested around the year
               | 01583 for some reason. It wasn't that they took a long
               | time to grasp differentiation, or that they had some
               | weird irrational belief at odds with reality, but that
               | they _just stopped learning_ and _never_ grasped
               | differentiation in the decades and decades they lived,
               | converting themselves into intellectual dwarfs. I was
               | still young enough to imagine that somehow I would avoid
               | this...)
        
               | detritus wrote:
               | Mediterranean countries had artificial candle-or-whatever
               | light with which to play upon spherical fruit dangling
               | from trees, which otherwise in the daytime caught
               | specular light glimmering through leaves.
               | 
               | Knowing the Earth was round, I don't find it hard to
               | imagine that interested minds of the day picked a fruit
               | and toyed with it in hand, squinting a bit and
               | considering the implications.
        
               | kragen wrote:
               | True, and surely some did--not just in the Mediterranean
               | but in Peru and in Punt, and not just 2500 years ago but
               | even a quarter million years ago--but, despite the whole
               | lunar-eclipse thing, nobody had a _really_ compelling
               | argument until Eratosthenes precisely measured its
               | curvature.
               | 
               | That is, though the wise could imagine a spherical Earth
               | for as long as they have had fruit, they could just as
               | easily imagine a _non_ -spherical Earth. More easily, I
               | think, because, I mean, look around you, it looks flat.
               | It wasn't until Eratosthenes that the wise lost the
               | ability to believe that the Earth was flat.
        
               | wsc981 wrote:
               | There's this guy, Randall Carlson, who claims the great
               | pyramid of Cheops is a scaled version of the northern
               | hemisphere. If true, I guess it would mean the Egyptians
               | knew the earth was round.
               | 
               | https://sacredgeometryinternational.com/the-great-
               | pyramid-de...
        
               | generalizations wrote:
               | That article is mostly just a hard to read description of
               | latitude, longitude and meridians. Didn't actually see
               | anywhere that the point was made.
        
               | Someone wrote:
               | _If_ they thought that was a scale model of half of
               | earth, they must have thought the earth has the shape of
               | an octahedron (possibly a slightly deformed one), not
               | that of a sphere.
        
               | FredPret wrote:
               | "Sacred geometry"?
               | 
               | Beware this type of thing. It's an introduction to
               | madness.
               | 
               | Some of these pyramid folks claim that they were built as
               | signposts for alien landing strips. And it gets more and
               | more nuts from there.
        
           | turndown wrote:
           | I'm not sure it's true either, but the fact that his account
           | does correctly describe the position of the sun in the sky
           | and the fact that Herodotus includes this information to
           | discount the story to me tells of at least some kind of trip
           | down to the southern portion of Africa. Total
           | circumnavigation, though, I do doubt.
           | 
           | Edit: Also, it wasn't Egyptians that did this but Phoenicians
           | at the order of the Pharoah.
        
           | guga42k wrote:
           | well, this trip sounds way more plausible than Troy/Iliad
           | story. And Troy was discovered based on folk tales more or
           | less. So who knows, may be Egyptians did it.
           | 
           | ps: for Russian speaking crowd: there is a YA book
           | https://en.wikipedia.org/wiki/The_Land_of_Foam which is a
           | fiction version of would-be such a trip.
        
             | Andrew_nenakhov wrote:
             | Second this, it is the first thing that comes to mind
             | whenever I hear about this voyage. Gives a very bright
             | picture of the ancient world, and it is also a great story
             | of love and friendship.
        
           | finiteseries wrote:
           | The Egyptians weren't sailing, Herodotus claims it was a
           | fleet manned by Phoenician crew.
        
           | fpoling wrote:
           | The story alleged it were Phoenicians, not Egyptians, who
           | sailed. And those were the best sailors at that time.
        
           | clint wrote:
           | The article does not contend that "Egyptians Circumnavigated
           | Africa" it says that Egyptians hired Phoenicians to engage in
           | an Egyptian-funded circumnavigation of Africa"
        
       | mgerullis wrote:
       | > When he started his reign, there were serious military problems
       | on Egypt's northeastern border.
       | 
       | Funnily we are still having the same situation
        
       | tgb wrote:
       | The ancient Egyptian (or Persians?) built a Suez canal
       | predecessor? Incredible. Is it a tourist attraction? And imagine
       | building it only to realize that the surface height of the sea
       | and the Nile don't match. Oops!
       | 
       | Also I like that the parts of the circumnavigation tale that
       | Herotodus thought unbelievable (sun on the "wrong" side) actually
       | now make it more clearly true and not just another of Herotodus's
       | exaggerations.
        
         | jccooper wrote:
         | Egyptian rulers of the Middle Kingdom, New Kingdom, Persians,
         | Greeks, (probably) Romans, and Fatimids all dug or redug (and
         | probably used, at least briefly) a canal or canals from the
         | Nile to the Great Bitter Lakes and Red Sea. The Ptolemaic
         | version even apparently had a lock to prevent salt water
         | intrusion. It went in and out of service (depending mostly, it
         | seems, on ability to maintain it) until it was closed 767 for
         | political reasons.
         | 
         | It seems to have been easier to create, as the Red Sea was
         | closer, but hard to keep open due to silt from the Nile.
         | 
         | I don't think it looks like much now, as I'm unable to find any
         | photos of it. The physical remains were unknown until
         | discovered by Napoleon's expedition, so it's probably been
         | quite swallowed by the desert save for archaeological traces.
        
           | jandrese wrote:
           | The Suez canal requires constant maintenance (dredging) to
           | avoid being swallowed up by the desert. It is not hard to
           | imagine most evidence of a canal that stopped maintenance in
           | 767 being lost to time.
        
         | hahahasure wrote:
         | What, you don't think the greatest harp player can summon a
         | dolphin and ride them across the sea?
         | 
         | That said, his political stories are entertaining, and the
         | philosophy is interesting. It just hurts reading wikipedia and
         | seeing how his account vaguely lines up with archeology.
        
         | dukeofdoom wrote:
         | Up until recently I did not know there was a way out from the
         | Great Lakes into the ocean that does not involve going up North
         | all the way through St. Lawrence. You can go through the
         | Welland canal and shortcuts and end up going down South.
        
           | jws wrote:
           | You can also go out the Chicago River and down the
           | Mississippi. There is a path called "The Great Loop" which
           | takes you around the entire eastern United States. (well,
           | most people skip New England and Mississippi (the state), but
           | you could include them if you wanted.)
           | 
           | https://oceanservice.noaa.gov/facts/great-loop.html
        
         | baggy_trough wrote:
         | https://en.wikipedia.org/wiki/Canal_of_the_Pharaohs
        
       | jccooper wrote:
       | It's unlikely those camps left behind any identifiable evidence,
       | but wouldn't that be amazing? Makes me wonder if there are any
       | identifiable characteristics of 600 BC Mediterranean grains that
       | might be found out of place in South Africa.
        
       | dpeck wrote:
       | That is interesting and from a very layman's understanding it
       | would be unexpected.
       | 
       | I'm just a casual fan of history and have listened to a lot of
       | lectures for Mediterranean history around bronze age, and my
       | takeaway was that the consensus among Egyptologists was that
       | ancient Egyptians never got very good at navigation & seamanship
       | because they didn't have to be. They had wind to go upstream on
       | the Nile and current to go downstream and hugged close to the
       | coast as a rule.
       | 
       | Maybe one-off journeys happened? Handfuls of people do things
       | completely out of the ordinary for their culture from time to
       | time. But if someone did it, it didn't make much difference back
       | home.
        
         | dragandj wrote:
         | It was the Phoenicians who did this, while Egyptians ordered
         | and paid for it.
        
         | mytailorisrich wrote:
         | The article quotes Herodotus as saying that the Egyptians hired
         | a Phoenician crew for this. Phoenicians criss-crossed the Med
         | for trade and settlements.
        
         | not2b wrote:
         | I suppose they could have hugged the coast all the away around
         | Africa. It's also possible that the voyage never happened.
         | 
         | But yes, being first doesn't matter as much as being first to
         | be successful and following up. Other Europeans got to the New
         | World first but Columbus kicked off Spain's colonization and
         | that led to everything else.
        
       | runj__ wrote:
       | >This page was created in 1996; last modified on 12 June 2019.
       | 
       | I love the internet.
        
       | foreigner wrote:
       | If you haven't read it I highly recommend The History. Herodotus
       | can be very entertaining. He pretty clearly lays out things he
       | personally saw, things he heard from firsthand accounts, and
       | things he heard secondhand. It's fun to see how things get more
       | fanciful the farther you get away from the Mediterranean he knew.
       | 
       | One thing that randomly sticks in my head is he said the
       | Ethiopians were there most beautiful people in the world because
       | they drank so much coffee, but beyond Ethiopia the land is
       | uninhabitable because of all the flying snakes.
        
         | rendall wrote:
         | Various readings of Herodotus on LibriVox:
         | https://librivox.app/book/12931
        
         | HDMI_Cable wrote:
         | Wait the Ethiopians had coffee in 400BCE?
        
           | ithkuil wrote:
           | I remember having read the story that it originated a
           | millennium later.
        
         | marci wrote:
         | > One thing that randomly sticks in my head is he said the
         | Ethiopians were there most beautiful people in the world
         | because they drank so much coffee, but beyond Ethiopia the land
         | is uninhabitable because of all the flying snakes.
         | 
         | Maybe a thirdhand accounts of the flying snake (?)
         | 
         | https://www.nationalgeographic.com/animals/reptiles/facts/fl...
         | 
         | https://www.youtube.com/watch?v=16aGSx9gFO4
        
         | pushswap wrote:
         | Herodotus isn't considered reliable at all by historians in any
         | of his writings whether his topic is close geographically or
         | not.
         | 
         | Thucydides is a far better option , being at the beginning of
         | the record for the continuous record of reliable historical
         | writing.
        
           | benbreen wrote:
           | I'm a historian and I recently cited Herodotus in one of my
           | forthcoming papers. Is he reliable? We certainly can't assume
           | so. But the same goes for Thucydides and every other source
           | from the ancient world. It's all about triangulating between
           | different sources rather than relying on any one account.
           | 
           | In my case, Herodotus was describing a Scythian practice (the
           | use of cannabis) that we've been able to corroborate, in its
           | broad outlines, using archaeological finds, which to my mind
           | makes it reliable enough to use.
           | 
           | If anyone's interested, this is a quote from the paper, which
           | is a work in progress and not published yet: _When Herodotus
           | described the purification practices of Scythians following
           | elite burials, he wrote of a ritual involving the
           | construction of a tent-like enclosure of "wool mats." At the
           | center of this enclosure, the Scythians threw cannabis onto
           | "red-hot stones, where it smoulders and sends forth such
           | fumes that no Greek vapor-bath could surpass it." According
           | to Herodotus, "the Scythians howl in their joy at the vapor-
           | bath." The term Herodotus used here - kannabis, or kannabis -
           | was a loan-word from Old Persian (kanab). From Greek, it made
           | its way largely unchanged into Latin (cannabis) and from
           | thence into the Romance languages and English. "_ [Citing A.
           | D. Godley, trans. The Histories of Herodotus (Cambridge, MA:
           | Harvard University Press, 1920), 4.74-6.]
        
             | thaumasiotes wrote:
             | This is probably outside your wheelhouse, but do you happen
             | to know why the Persian word with a single N would have
             | come into Greek with a reduplicated N?
        
             | tombh wrote:
             | Obligatory: I love Hacker News
             | 
             | Not only am I interested to hear that "hot boxing" is an
             | ancient practice, but also the sense of immediacy that I
             | now have with ancient Persia over our shared etymology of
             | _kanab_.
        
         | hallarempt wrote:
         | Check https://mainzerbeobachter.com/2021/05/25/loog-herodotos-
         | over... (by the same person who manages livius.net) on how
         | Herodotus sometimes isn't all that precise distinguishing
         | between things he knew first-had, and things he had by hear-
         | say.
        
       | fpoling wrote:
       | What is fascinating is how self-reliant Phoenicians were. Take
       | wheat. Then periodically during the voyage stop to saw it and
       | wait for few months to harvest. Then continue.
       | 
       | This was very risky, as they had no idea about climate in new
       | places. But according to what we know was entirely possible along
       | African coast.
        
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