Culture is an abstract representation of the ethnicity and traditions of the peasantry, and whom characters identify with.
Cultures are divided into culture groups, and cultures are considered closer to others within their group than to cultures outside it. Culture mismatch can hurt both on the provincial level and inter-character relations. Penalties for different cultures within the same group are half those for cultures in different groups.
Culture determines certain diplomatic relations, as characters will get an opinion penalty towards anyone not of their culture. This penalty is even larger if they're not of the same culture group, but is reduced by the Tolerance Technology.
In addition to affecting character relations, most cultures unlock cultural retinues and cultural buildings, resulting in different army composition. Culture also affects some events, and certain cultures have their realm named after their dynasty, not their title.
Culture can also dictate what succession and gender laws are available to switch to. For instance, Nahua culture is locked exclusively into Agnatic succession, the average European culture can access Agnatic or Agnatic-Cognatic, while Basque can readily select any of the three gender laws.
In Crusader Kings II cultures have a much lower impact on gameplay than religion, and mostly impact cosmetic things: names, portraits, etc. There are a few exception, and a limited number of events that depend upon or are influenced by culture.
- 1 The Provincial Level
- 2 The Character Level
- 3 Character conversion
- 4 Province conversion
- 5 Tactics
- 6 Summary
- 7 List of Cultures
- 8 See also
The Provincial Level
Every county in the game has a culture representing the major culture there. At game start most realms will be relatively homogenous, with few realms containing more than one culture, and even fewer containing more than one culture group. However as a realm expands it will inevitably encounter other cultures and culture groups, which will give various penalties, both permanent and temporary.
The permanent penalty (unless culture changes) is a 1% revolt risk for being a different culture than the liege, and 2% if it is in a different group. In addition upon conquering a region it will get a temporary penalty if it is a different culture. If it is in the same culture group it will get the following penalties, which are all doubled if it is of a different culture group:
As you can see, this means that a newly conquered area will take quite a while before it is of any real value, and even after the temporary penalties disappear you'll still have to deal with the revolt risk, which also reduces tax by 1% per 1% revolt risk. Also, as mentioned in the installment on religion, a county being of its liege's culture makes it considerably easier to convert the province.
Finally, it is important to note that it is the count's culture, not his liege's (if he is not independent), that ultimately matters. A Bulgarian county ruled by a Bulgarian count who serves a Greek duke will not suffer the minimum revolt risk from cultural differences, for example. Furthermore, the assimilation penalty modifier described above will only be activated if the county itself changes hands to a new ruler of another culture; liege changes (like in a ducal je jure war) alone do not apply this penalty. A ruler who would rather deal with more difficult vassals over peasant rebellions can choose to land vassals who share the conquered territory's culture. Vassals of the local culture who share your religion will be able to convert the province more quickly than vassals of cultures foreign to the county.
The Character Level
However as mentioned earlier, culture is not limited to counties alone. Every character in the game identifies with a culture, and this affects their relations with other characters in the same realm. Being of a different culture will reduce vassals' opinion of you by 10, and by 20 if you're of a different culture group. This penalty is modified by the cultural flexibility in the character's capital county. Second, being of the same culture reduces character revolt risk directly by 15%. Combined with the lack of an opinion penalty makes same culture vassals much more loyal, and homogenous realms much more stable than others.
Every character will be born with the culture of his father if born from a patrilineal marriage or a concubine, or his mother if born from matrilineal marriage or out of wedlock. With very few exceptions, the only way to change this is via the child's guardian.
If a guardian owns land or has the same culture as his liege, he has a decent chance to change his ward's culture.
The mean times to happen are as follows:
|Diligent and Gregarious||30 months|
|Diligent or Gregarious||60 months|
|Diligent and Shy||120 months|
|Slothful and Gregarious|
|Slothful or Shy||240 months|
|Slothful and Shy||480 months|
As you can see, a culture change happens about 50% of the time if the guardian has no traits modifying the chance, as a child generally has a guardian for 10 years. If the guardian is diligent and/or gregarious it becomes far more likely, as the normal distribution is then centered at 2.5 or 5 years, while on the other hand if the guardian is shy and/or slothful it becomes quite unlikely.
So if you want to change the culture of your child, you should assign a guardian of the desired culture, in a court with a ruler of the desired culture, who has the diligent and/or gregarious trait.
Convert to capital culture
When Rajas of India is not enabled, a randomly fired event gives rulers a chance to convert to their capital's culture.
With Rajas of India, rulers gain the ability to convert to the culture of their capital province. The decision costs 500 prestige. Vassals cannot use the decision if they have the same culture as their liege.
Every county has a culture from the start of the campaign, but this can be changed over time.
Most events that allow provinces to change culture are fired on a per-character basis, so culture spreads fastest when each of your vassals holds only a single county.
Spread from adjacent province
The most common event can trigger when a character has to have a county in his demesne not of his culture, and it borders at least one other province of the character's culture that is owned by a character (which could be the very same character) of the ruler's culture. Thus it is near impossible to spread any culture to islands with this event, as they cannot possibly border a county of your culture unless it was present at game start.
|Ruler stewardship||MTTH to convert province to adjacent culture|
There are also MTTH bonuses for Altaic cultures, and for conquest cultures set by some CBs. As you can see, as long as a character has high stewardship he can convert counties to his culture rather quickly.
Conversion to conquest culture
Some CBs result in a conquest culture being set on a title. When a province (or its containing duchy, kingdom, or empire) has a conquest culture, an event allows conversion to the conquest culture even if there are no adjacent provinces of the culture.
Conversion to culture of different-religion ruler
The other event that allows the changing of culture does not require connections to the same culture making it the only way to spread new cultures onto islands, islandic cultures onto the mainland, or any culture that does not exist on the map. This event is less common because it targets only the player's capital, meaning that to spread it to an island you must move your capital there, and requires the province to be of a different religion to fire. This means it will be highly unlikely for an AI player of a religion that has high moral authority to receive this event, as they will likely convert their province sooner, making the event unable to fire. So, as a player, you will likely need to make this happen yourself. If the province in question is not of your faith, simply do not send your court chaplain to proselytize; without someone converting, the religion will most likely not change. This is, of course, unless the religion in question has low moral authority, which can cause a heresy to appear. This is your best bet if the province you want to convert is of your own religion; degrade moral authority until heresies begin appearing. Alternatively, your could grant the county to a heathen or heretic and wait until they convert it, then revoke the title and move your capital there.
This event is the only way to see a culture in the British Isles which is not English, Anglo-Saxon, Irish, Scottish, Welsh, Breton, Norman (remember that Norman appears if a Norse controls Breton lands, and Cornwall is Breton), Norse, or Norwegian. If done properly, you can see any culture appearing quite literally anywhere, regardless of initial cultural borders.
There are special events allowing some cultures to give rise to new ones, and allowing these new cultures to spread quickly within the old ones.
- Norse splits into several cultures
First, if you want to change your child's culture, assign him a guardian of that culture with the diligent and/or the gregarious trait. He'll be very likely to change culture. Conversely, if you want to keep your culture pure, be careful who you assign as his guardian.
Second, assign high-stewardship characters of your culture as counts on the edge of your culture. They'll rapidly change the culture to their own, getting rid of the revolt risk.
Third, try to have a single county per character. As the culture change event fires on a character level, a single character owning more than one county makes it less likely to happen on a per-county level.
Fourth, try to keep your vassals of your culture, as you'll get lower revolt risk and avoid the foreigner opinion penalty.
Finally, prioritize conquering same-culture provinces over provinces of a different culture. Prioritize same culture-group over different culture groups. You'll get less severe penalties that way.
By keeping your realm culturally homogenous you'll have an easier time controlling it. My tips are as follows:
- If you want to culture-change, appoint a Diligent/Gregarious guardian of a different culture
- Assign high-stewardship characters of your culture as counts in different culture provinces bordering your provinces
- Try to keep a single county per character
- Try to keep your vassals of your culture
- When conquering, prioritize same culture, over same culture group, over different culture group
List of Cultures
Note: the order is the one from 00_cultures.txt
|Culture||Culture Group||Base ethnicity||Notes|
|English||West Germanic||englishgfx||Created by events around 1150 if Norman ruler controls Anglo-Saxon province.|
|Anglo-Saxon||saxongfx||Independent Dukes are called petty kings|
|Norman||normangfx||Created by event if Norse ruler controls Frankish, Occitan or Breton province|
|Roman||southerngfx||Dead culture used for history files, has no cultural retinue or special events.|
|Basque||Iberian||occitangfx||Enables Absolute cognatic gender law.|
|Armenian||Byzantine||byzantinegfx||Can castrate or blind prisoners via decision.|
|Irish||Celtic||celticgfx||Enables Tanistry succession law. |
Independent Dukes are called petty kings.
|Turkish||Altaic||turkishgfx||Uses dynasty name as realm title|
|Mongol||mongolgfx||Horde culture: can use Tribal Invasion if not Christian.|
|Bedouin||Arabic||arabicgfx||Uses dynasty name as realm title|
|Persian||Iranian||persiangfx||Uses dynasty name as realm title|
|Nahua||Mesoamerican||mesoamericangfx||Horde culture: can use Tribal Invasion if not Christian.|
|Ashkenazi||Israelite||byzantinegfx||No provinces have these cultures, but courtiers with them appear by event.|
|Bengali||Indo-Aryan||indiangfx||Uses dynasty name as realm title|
|Tamil||Dravidian||indiangfx||Uses dynasty name as realm title|