right, the dutch might be another candidate for a nice one-city-challenge, there even without any worldbuildering necessary
concerning the cities in Spain: see the screenshot I attached (I'm not sure a savegame would help you since I'm using the German version, though they SHOULD be compatible...)
with the exception of the stupid city south of Lisboa the portugese founded, the cities actually are pretty decent, with Cadiz probably being the weakest of the ones I founded.
all "inner cities" aka Leon, Merida, Jaen (!), Madrid and of course Pamplone are useful, the coastal ones are good as well...I like them. The Iberian Peninsula is SO GODDAMN RICH in ressources, it's amazing
I think I'll found protestantism myself, this way I can probably prevent one of the bigger opponents to go for it and I can play some Inquisition
and yes, sorry I meant the UB of Poland and the UP of Kiev have basically the same effect. And their goals are very similar as well. Of course Kiev has a much harder time with the mongols and that probably shapes their playing style, but on first glance they seem almost identical. Why doesn't Kiev have any UHVs connected to the continuing batttle against the barbarians?
And yes, they main power changes from game to game, which is good, but in almost every game I had the Byzantines stayed on top until the Ottomans arrived and France either got killed by Burgundy (rare) or was number two and the most technologically advanced civ (often) - well, besides me, of course. Germany and Hungary are always strong as well, with the others trading places. I had a game where Lituania vassalized Poland, one where Poland became "number 3" after my Portugal and France, etc. I haven't had one with a strong Arabia yet and only one where Cordoba held against the Spanish.
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edit: whats with the "Scholar" - GP? I am always sad/angry if I get one of these. Thanks to the insane tech boni you get, they usually contribute almost nothing if you "bulb" them, since there is no academy (for a long time) you can only settle them. I have to remember to stay the hell away from that Cluny-thing since the bonus is really tiny (1 per religious building? when I usually have 1-2 of those per city? pfft) and it really polluted my GP-pool in this game (3 GS one after the other -.-)
I even prefer the Artist from the Scholar now. I think the scholar needs some improvements, or would this go against the "Dark Ages" - idea?^^
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edit2:
concerning the Spanish UHV when it says "the catholic nations" does this mean it is sufficient if you just use some spies to change all major players to Catholizism for this turn and it is fullfilled? Even if they have Catholizism only in one tiny village and their "real religion" in all other cities?
Or does this only count for land size and I need to have more Catholics than any other religion in the religious advisor (F7)?
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edit3:
I have to say....while I have always been the most advanced, most powerful civ by 1500, I have NEVER dominated the way I currently do with Spain. I am techleader, I own Iberia, the Canaries, Aquitaine and Ireland and have Burgundy vassalized. With my "Piratebase" Dublin I can ensure that England won't ever use their AA, France doesn't have any, since I own their atlantic coast and the only AA not in my reach is the Dutch one - currently owned by Burgundy (who doesn't have Astronomy yet and as my vassal will never get it

)
My pirates patrol the seas while my productive cities in central Spain build the wonders, soon I'll move to building some missionaries to gift to the other nations to spread catholicism a little more. If the whole world declared war on my, they MIGHT stop me. or get 1 colony. Might. Spain rocks.