With this mod loaded, I cannot seem to reload any saved games. I did some research and found out about a line in the xml <Civilopedia>TXT_KEY_CIV5_XXX</Civilopedia> that needed to be deleted, supposedly, to prevent these reloading crashes - but that did not work and the game still CTD's when I try loading any saves with the Venetian civilization. Since I'm from near Venice (Trieste) I'd love to try out this mod in a game...any suggestions? Opera, are you there? BTW I recall your stellar mods from the FFH series in Civ IV and look forward to seeing more with this iteration...they can only improve it.
Edit: OK, I figured out the problem and it is not your Venice Civ mod, it was other conflicting mods I had loaded.
One big problem I'm finding that leads to these CTD's on re-load is that many of the mods on Steam are incompatible with each other and it is not immediately clear which ones they are. I did finally figure out that two diplomacy mods were apparently arguing over something, so I unclicked one and voiala, the game works and your mod reloads just fine without crashes.
All people experiencing these CTD's at re load might want to take a look at any mods they have loaded to see if conflicts are the problem. Its too bad that Civ V cannot parse these things for you when you try to leave the mod section of Steam, and inform you, "hey dummy, these two mods if both loaded will crash your pc."