Dinsdale said:
Most of the western and eastern world new the earth was a sphere from the third century BC, right after Eratosthenes published his calculations.
The myth of humanity believing in a flat earth until the late 15th century is right up there with sea faring indigenous American tribes in terms of realism.
Sad.
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Colombus's discovery was the only one which led to a constant and repeatable set of voyages. You can claim the Vikings, Chinese or Martians got there first if you like, in fact about 50 countries claim to have trans-Atlantic myths, but the world impact of those "discoveries" was nil. The Carribean is generally an accepted piece of the Americas, even if CC thought he was a tad further West
The fact that it was sponsored by one of the great powers of the time and was greatly popularized doesn't change the fact that he wasn't the first one to do so. Perhaps he was the most influential of the time, but that doesn't change my point.
Dinsdale said:
Partially true, though navigation is not a natural leap from astronomy. Which European calendars were less advanced? The game starts within a century of our current calendar being adopted.
You mean our hideously eccentric, non-standardized modern calendar that can't even remain consistent with how many days there are in a month and has to add an extra day in there every four years just to keep accurate - and even then loses a minute once in a while?
The calendars before this (in Europe, at least) were generally even more eccentric and less codified - whereas the Mayan calendar was lunar, and so had a little over 28 days in each month consistently and 13 months (though they were actually organized in many smaller "months" within the calendar). In fact, to this day, the inaccuracy of the Mayan calendar can be measured in a matter of minutes because they didn't take into account the slowing of the earth's rotation, mainly because they couldn't fathom such a thing. All things considered, a few minutes isn't bad. So, no, it doesn't translate to sea-faring directly, but it could easily be applied to astral navigation. They obviously knew where all the stars were, after all.
Dinsdale said:
One question: despite centuries of organized cities (at times a number of cities in the Americas would have dwarfed any of the largest cities in Europe outside of Constantinople) why is there almost no record of seafaring among these nations?
*shrugs* Because they didn't see a need to develop sea-faring vessels beyond coastal fishing ships. Why should they? They didn't live on an island, and it was safer to go by land anyway. Doesn't mean that they couldn't have developed such methods had they been given a reason to, and in a game where you can transform Albania into a major colonial power (despite them not really having that strong of a naval tradition or need for sea-faring), I don't think that this should be a limitation.
Dinsdale said:
I have a decent education. I've seen boats. Does that mean I can build one to cross the Atlantic?
Nope, but if you and a hundred others of your same decent education got together and started experimenting with the idea for a good portion of your life, then passed on your notes and ideas to another generation of researchers, who made gains where you left off, and then they handed their findings to the next generation of researchers... well, after a while, you certainly would be able to build one to cross the Atlantic (or at the very least one capable of island hopping across the Pacific). No great feat of technical genius like a non-coastal sea-faring vessel has ever been accomplished by one person alone, and you using yourself as an example is not particularly fitting of the situation. Also, these things take time, lots of it - and I advocate building that into a system like this. In fact, it already has been - that tech penalty is pretty robust. I don't think the possibility should be ruled out, however.
Dinsdale said:
For a start, the unlikelihood of the Aztecs surviving as a society past 1520. Either you need to inject the fantasy of Americans being driven to explore the oceans and catch up a millenia of technology in <50 years, or the equally unlikely scenario of Aztec society not being overrun by greedy, lacivious European conquerers before they've had time to make any technological leap.
voyage?
The unlikely scenario of the Native Americans resisting colonialism? Certainly unlikely, but then, if you're the one playing them, anything is possible. You ARE changing history in this game, after all, and some people have already accepted the challenge of trying to keep the Americas free of Europeans... and have succeeded. It's exceedingly difficult, but not impossible. I believe there's even a few AARs out there about just such a thing. Then, as those Native Americans are suddenly presented with the need for sea-faring capabilities, then they'll certainly try their best to figure it out - and if they manage to find themselves a working or semi-working model of a European ship, then all the better for them. We humans are amazingly adaptive critters - we figure out some truly stunning things, and when we need to, we have a knack for figuring it out quickly, or at least pulling off some quality mimicry (maybe it's not quite as good, but still better than nothing). As someone else pointed out earlier, Japan did some impressive things fitting the above description perfectly - going from feudal-era technology to being completely modernized in 150 years? And you don't think some Aztecs figuring out how to built a rudimentary sea-faring vessel is possible...
Dinsdale said:
One more question: without iron, are the Aztecs going to use Obsedian to nail wood together for the voyage?
Well, the Polynesians certainly didn't have iron, and they managed to cross thousands of miles of ocean. As I already mentioned in my argument, perhaps the Incans or whoever develop an alternative, inferior form of construction that only really allows for very short trips on the unprotected sea - that's what the Polynesians did, and via that method managed to island hop a very, very long way. Why shouldn't the people who built temples that defy modern science not be able to figure something out that tribal primitives discovered thousands of years before?
Edit: Something of note - the Aztecs in particular were accomplished gold smiths. Metal-working was hardly beyond them, though lack of materials made things difficult.