For the most part, it should be pretty easy to tell if More Historicity is going to conflict with other mods. Does it deal with Scandinavian adventurers, landless adventurers (the laamp content brought in by the most recent expansion), or have something to do with the Holy Roman Empire? Than it might also conflict, though likely not in very obvious ways.

Otherwise? It's probably fine.

There are a few mods which do deal with those things that people keep asking about, however, so let's look at what mixing them with More Historicity does.


The main thing you'd need to be concerned about when using RICE and More Historicity together is Rollo and the invasion of Neustria. Both mods have game rules that allow you to adjust what happens, and so you might need to tweak the rules of one or both to not have things break.

• Playing as Rollo: DICE uses the Rollo that exists as an adult at game start. If you intend to play as that, set the MH "Who is Rollo?" rule to "Default Vanilla Rollo" (it's the default) and the "Invasion of Neustria" rule to "No Forced Invasion". All the existing features that MH uses will assume that a "Default Vanilla Rollo" setting and DICE active means you intend to use DICE -- if you do anything else, it's hard to say how that might interact with DICE's system.
  
  
• Rollo is landed: If you set the RICE game rule to "Always Landed" and the MH "Who is Rollo?" rule to anything BUT "Default Vanilla Rollo", then the landed version of Rollo will be immediately killed off (and his title given to whoever his heir is - probably a courtier) and a different Rollo will be the "real" version of him later.
  
  
• Other Versions of Rollo: If you use the "Rollo Exists in Möre" or "Rollo Appears Later", my guess is that it won't work with DICE's system as DICE probably specifically looks for that historical character by his id. What would happen instead is difficult to say. I might take a closer look at how DICE identifies Rollo and see if there's a way to apply it to the two other versions, but right now it's likely going to break things.

Recommendation: I suggest you pick which mod's method you want to go with. So either set RICE's game rule to "No Changes" and do whatever with MH or set MH's game rules to "Default Vanilla Rollo" and "No Forced Invasion". Note that this only affects what happens with Rollo -- RICE's decision which has the French king granting Neustria cannot be turned off, so it'll eventually happen regardless and the only worry is whether MH's method of granting Neustria to the Norse is turned on and happens first.



This one's a bit more complicated. Historic Invasions deals with most of the situations that More Historicity does (just not the Mogyër or Alans) ...albeit in a much more brute force manner. Thankfully, like RICE it also has game rules that apply to each situation. You could leave both mods on and just leave it to chance which is going to happen first, and at a glance it seems like that should be fine? But I'd suggest picking which you prefer at the start.

• Norse invasion of Neustria: The HI rule is "Norman Settlers in Normandy" and the MH rule is "HIST: Invasion of Neustria". Turn one of those off completely. If you don't, one will still happen... but if the HI decision to grant Neustria to a Norse adventurer occurs, it won't be to Rollo unless you left the MH "Who is Rollo?" rule at "Default Vanilla Rollo". If you did, it'll likely work fine assuming Rollo lives to be old enough to do the actual invasion.
  
  
• Normandy Invasion of England: The HI rule is "William de Normandie" and the MH rule is "HIST: Invasion of England". Again, turn one of those off. If you don't, one will happen before the other but it's possible they'll BOTH happen (since MH, by default, doesn't restrict the invasion to Normandy's holder) and that'll be... awkward.
  
  
• Creation of the HRE: The HI rule is "Holy Roman Empire" and the MH rule is "HIST: The Holy Roman Empire". Both technically can work together, since MH just pushes kings inside the old Carolingian borders of Central Europe to use subjugation interactions and duchy invasions CB's while HI makes the East Francia king (at some point) attempt to conquer it all in one go. I suspect the MH system could even get a ruler to the point where they'd invoke the HI decision to create the HRE without the HI invader ever being involved. Probably best to turn one of those game rules off just to avoid things getting really messy, but it's up to you.
  
  
• Rurikid/Novgorod Expansion: The HI rule is "Rurikid (Kyivan Rus')" and the MH rule is "HIST: Novgorod Rises". These features don't conflict with each other, for the most part. If they're both active, Novgorod will receive extra forces at game start, but that only means HI will be spawning fewer forces when its Rurikid events kick in, and it doesn't really matter much whether the game is using the HI or MH effects to expand. If you intend to play Novgorod, however, I'd suggest using the "Stronger Novgorod" MH rule setting if you just want the additional starting forces or "No Novgorod Changes" to disable the MH stuff for Rurikid completely.
  
  
• the North Sea Empire: The HI rule is "Knut Knytling (North Sea)" and the MH rule is "HIST: The North Sea Empire". HI and MH approach the North Sea Empire very differently. HI picks a ruler (likely to be in England to start, in my experience) who is given a ton of troops and begins his conquest - likely starting with England. MH encourages rulers in Norway and Denmark to first consolidate holdings, ideally (but not always) resulting in a king with all/most of both kingdoms before starting a claim war against England (with some additional troops, if not as many as HI provides). Personally, I think HI is way too heavy-handed on this front and the way "Knut" starts in England rubs me the wrong way. Either way, whichever one you prefer just shut off the other game rule. They CAN work at the same time, but whatever ruler you have cooking in Scandinavia is likely to suddenly encounter a ruler who already has the North Sea title and 10,000 event soldiers.
  
  
• Normans in Sicily: The HI rule is "William de Hauteville (Sicily)" and the MH rule is "HIST: Normans in Sicily". This is one case where these mods simply will NOT work together - you'll need to pick one over the other. If you have both active, you're going to have two separate groups of de Hauteville appearing and competing for the same land (though, I assure you, HI's version will win out as it receives a LOT of event troops).

Recommendation: The mods can work together, like I list above, (outside of the Normans in Sicily part) but considering they both cover most of the same ground it's probably best to just pick one (as in one version's game rules on the affected areas or the other's... both mods work together otherwise just fine, and I use both myself). If you like the stuff HI does and don't mind the brute force, it touches on a LOT of different areas that MH doesn't (and never will).



I bring this one up mainly because it changes how the HRE works and is formed pretty significantly. That's not a bad thing. The only real issue with Succession Expanded and MH working together is that the SE decision to form the HRE requires some very specific things... like the holder has to hold the Kingdom of Italy title.

When I tested these two together, it was not infrequent that the k_italy title would get dissolved, and the current HRE top contender could have as many as 3 or 4 king titles already and not bother to create more. So his realm could be huge, but he's not going to form the HRE because the new decision is simply too restrictive.

That said, it's not impossible. Generally, in the above situation, what would happen is that this particular contender would eventually die... and if he had more than one heir, one of them would inherit the k_italy title which would be resurrected for him as part of succession.

Insofar as the more recent changes to the Karling dynasty go, and the Salic Law addition, these play just fine with Succession Expanded. They do a few things that are the same but won't interfere with each other, and the things they do differently (like SE's breakup of East Francia after Ludwig the German dies) will actually complement MH nicely.