Bringing this up again with some changes, wrote a table, wasted some time.
I know this is pretty much abandoned at this point, but I figured if I keep bringing it up and giving suggestions, someone might pick it up
Also pretty much everything here is up for debate, so feel to give suggestions. Also please feel free to give me names for stuff, I'm really not historically interested to the point that I remember what architecture or solders were called.
Civilization UB/UI? Information UU Information
America Mall? Unique bank/grocer/factory extra gold and stuff? Marine? Unique marine
Arabia#1 Madrasa Unique library/temple, science/faith hybrid building. Horseman? Unique horseman
Arabia#2 Name? Desertfocused UB/UI GG/GP Unique Great general or prophet?
Assyria Ziggurat? Unique temple? Honestly this feels cheap. Spearman? Unique spearman or other ancient era unit
Austria Name? Some medieval/renaissance era building that complements their hillbias? Name? Hillbased footsoldier
Aztec Name? Unique temple? Eagle warrior? Swordsman replacement? Just to not mess with upgrades
Babylon Ziggurat? Unique temple?. Spearman? Unique spearman or other ancient era unit
Brazil Name? Unique Stadium? Unique hotel? Name? Unique great person?
Byzantine Hippodrome? Colossuem/circus/circus maximus replacement? Name? Footsoldier or ship?
Carthage Name? Lighthouse replacement? African Elephant/GG basegame elephant or the great general replacement?
Celts Name? Unique forge/baracks/shrine/temple? name? Unique swords/longswordsman? Archer?
China Paper maker unique library Name? Honestly anything fits here, China was a thing for a long time.
Denmark Stave church? Unique temple?. Longship Unique trireme, ocean travel?
Netherlands Name? Harbor/Caravansary/Bank replacements would all fit Name? Unique great merchant?
Egypt Name? Monument/Watermill? Worker?
Ethiopea Name? Defensive/cultural building? No clue
France Name? Castle? Salon? Culture? Name? Unique Knight or Lancer?
Germany Name? Factory? Military building? Name? Gunpowder unit or artillery?
Greece Name? Temple? Honestly most pre-medieval buidlings could fit Companion Cavalry Unique Horseman
Huns Name? Baracks/stables? Name? Horseunit
Inca Name? Temple. Food/culture for each mountain in range? Name? Footsolder?
India#1 Mogul Fort? Bring it back? Worker?
India#2 Mausoleum? Name? Footsoldier/archer?
Indonesia Plantation? Unique plantation replacement? Boat? Unique Boat?
Iroquois Forest? Replantation or something completely unrelated to forests. Something
Japan Something? Name? Unique great general?
Korea Name? Unique Constabulary? Keeping your science safe Turtleship Bring it back!
Maya Ceremonial Ball court Colossuem replacement? Holkan Spearman?
Mongolia Yam? Keshik
Morocco Name? Tradebased building Name? Footsolder?
Ottoman Hammam/Turkish bath Unique Garden/Baths/Aqueduct Sipah Lancer
Persia Temple/Aqueduct Name? Horse/chariot unit
Poland Name? Castle/walls? Unit? Some kind of unit

Polynesia Name? Lighthouse? Name? Warrior replacement?
Portugal Name? Harbor/Lighthouse/caravansary? Name? Landbased unit?
Rome Forum Market replacement Balista Bring it back!
Russia Krepost Baracks replacement Name? Footsolder?
Shoshone Name? Something pre-renaissance Comache Rider bring it back!
Siam Drawing A Blank Here
Songhai Mud pyramid mosque Temple. Unit? Footsoldier/archer/general?
Spain Name? Harbor? Tercio bring it back!
Sweden Name? Armory or something not military? Hakkapellita/cannon bring it back! Or don't
Venice Name? Unique Courthouse? Great Galleas Bring it back!
Zulu I would probably Change things up here And give Shaka something not war related.
Also naturally suggesting effects for things I've suggested also counts, just keep the conversation going. The closer we get to a finished list, the bigger the chance is that someone actually cares enough to pick up the project
I mean I have no clue how coding works, but coming up with all buildings/units/stats/things gotta be at least a tenth of the project.