Commonwealth

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This article may contain outdated information that is inaccurate for the current version of the game. It was last updated for 1.1.

Commonwealth
Commonwealth.png
Primary culture
Polish (West Slavic)

Capital province
Krakow (262)

Government
Elective Monarchy

State religion
CatholicCatholic.png

Tech group
EasternEastern.png
Ideas and traditions

Traditions.png Traditions:

-20% Cavalry cost
-15% Accepted culture threshold

Production efficiency.png Promote the Folwark System

+10% Production efficiency

Stability cost modifier.png Nihil Novi

-10% Stability cost modifier

National manpower modifier.png Piechota Wybraniecka

+25% National manpower modifier
+10% Infantry combat ability

Cavalry power.png Winged Hussars

+33% Cavalry combat ability

Regiment cost.png Wojsko Komputowe

-10% Regiment cost

Discipline.png Found the Foreign Section

+5% Discipline

Morale of armies.png Focus on Field Defense

+15% Morale of armies

Idea bonus.png Ambitions:

+3 Tolerance of heretics

The Commonwealth does not exist at the beginning of the Grand Campaign, only being playable between July 1569 and 23 October 1795. It is a formable country, formable by both Poland and Lithuania.

The Commonwealth was established at the Union of Lublin in July 1569, between the Kingdom of Poland and the Grand Duchy of Lithuania. While Poland and Lithuania were already in personal union since 1386 under the Jagiellonian dynasty, the union created a completely new political entity. Both Poland and Lithuania have the National decision to form the Commonwealth.

The Commonwealth is a republic led by an elected king whose power is limited by Sejm (parliament) resulting in unique political problems. Furthermore, the Commonwealth is multi cultural and multi religious state. In age of religious wars and persecution of minorities this kind of state is truly unique because it has been created on fundaments of religious tolerance and personal freedom. Unfortunately high ideals don't always work when faced with harsh reality of the world, and ruler of Commonwealth will have to face many internal problems and deal with them quickly. Because if power and dominance of Commonwealth start to crumble despotic and totalitarian neighbors will attack without hesitation.

Missions[edit]

Events[edit]

The Commonwealth has a large amount of events tying into handling the Sejm (parliament). Most of these are covered under the Polish events page.

Decisions[edit]

Form Commonwealth[edit]

Execute decision.pngForm Polish-Lithuanian Commonwealth as Poland

Replace the personal union between Poland and Lithuania with a real union, welding the two countries together into one powerful state, capable of withstanding our enemies.


 
Potential Requirements
  • Commonwealth does not exist
  • Country is not Holy Roman Empire
  • Country is Poland
  • Lithuania:
    • Country exists
    • Is AI controlled
Allow
  • Administrative technology is at least 10
  • Is not a vassal
  • Stability is at least 1
  • Is not at war
  • Owns Kraków
  • Owns Warszawa
  • Owns Danzig
  • Owns Marienburg
  • Has core on Kraków
  • Has core on Warszawa
  • Has core on Danzig
  • Has core on Marienburg
  • Senior union partner over Lithuania
  • Has less than 2 unions
  • Mazovia:
    • Country does not exist

Effects
  • Changes country to Commonwealth
  • Inherit Lithuania
  • If:
    • Limited to:
      • Wielkopolska:
        • Is not owned by Poland
        • Is not owned by Lithuania
    • Wielkopolska:
      • Adds claim to Commonwealth
  • If:
    • Limited to:
      • Malopolska:
        • Is not owned by Poland
        • Is not owned by Lithuania
    • Malopolska:
      • Adds claim to Commonwealth
  • If:
    • Limited to:
      • Belarus:
        • Is not owned by Poland
        • Is not owned by Lithuania
    • Belarus:
      • Adds claim to Commonwealth
  • Random owned province:
    • Limited to:
      • Culture is Polish
    • Gains 1 base tax
  • Gives 25 prestige

Execute decision.pngForm Polish-Lithuanian Commonwealth as Lithuania

Replace the personal union between Poland and Lithuania with a real union, welding the two countries together into one powerful state, capable of withstanding our enemies.


 
Potential Requirements
  • Commonwealth does not exist
  • Country is not Holy Roman Empire
  • Country is Lithuania
  • Poland:
    • Country exists
    • Is AI controlled
Allow
  • Administrative technology is at least 10
  • Is not a vassal
  • Stability is at least 3
  • Is not at war
  • Owns Vilna
  • Owns Minsk
  • Owns Kiev
  • Owns Turov
  • Has core on Vilna
  • Has core on Minsk
  • Has core on Kiev
  • Has core on Turov
  • Senior union partner over Poland
  • Has less than 2 unions
  • Mazovia:
    • Country does not exist

Effects
  • Changes country to Commonwealth
  • Inherit Poland
  • If:
    • Limited to:
      • Wielkopolska:
        • Is not owned by Poland
        • Is not owned by Lithuania
    • Wielkopolska:
      • Adds claim to Commonwealth
  • If:
    • Limited to:
      • Malopolska:
        • Is not owned by Poland
        • Is not owned by Lithuania
    • Malopolska:
      • Adds claim to Commonwealth
  • If:
    • Limited to:
      • Belarus:
        • Is not owned by Poland
        • Is not owned by Lithuania
    • Belarus:
      • Adds claim to Commonwealth
  • Random owned province:
    • Limited to:
      • Culture is Lithuanian
    • Gains 1 base tax
  • Gives 25 prestige

Strategy[edit]

It is possible to start playing as Commonwealth or forming it.

Forming the Commonwealth As Poland[edit]

Opening moves: Ally and Royal Marriage Austria and Lithuania, royal marriage Mazovia and Moldavia.

Poland starts with the upper hand on forming the Commonwealth over Lithuania. Firstly because Poland has a decision to restore the personal union with Lithuania, which is a requisite to form Commonwealth. Secondly because Lithuania starts as a Catholic nation with nearly all its provinces being Orthodox, Lithuania has the weaker position stability-wise. Your first step as Poland is to restore the personal union with Lithuania, it is easily done by picking the Form Union with Lithuania decision, which can be done by 1446, considering you start with 50 monarch points and get a monthly 3/3/3, or more with advisors. After reaching 1 stability, you'll have to wait to store 100 diplomatic points, after that, pick the decision and, considering you didn't lose any land since the start, the only requirements you need and aren't under a personal union or vassalage with Poland is Danzig and Marienburg. From here, you have the option to either go on annexing Mazovia and Moldavia, or conquering the Teutonic Order's lands, or anything that comes to your mind. You can try improving relations with Austria (which should be the current Emperor) instead, getting your relations up so you can join the Holy Roman Empire, this will make the Emperor stronger, but more importantly, won't let other nations outside the Holy Roman Empire to war Poland (this will be important in the future, considering the possibility of Scandinavian harassment later on), will make you advance your technology faster, lower your stability cost and reduce your global revolt risk. After you got yourself into HRE, annex Mazovia and Moldavia, try to get the missions to do it, so you get some prestige. After you annex both of them, conquer some Teutonic provinces so you can vassalise them later on. Marienburg is the Teutonic Order's capital, so you can't annex it unless it's their only province. Play the waiting game, annex Teutonic Order and wait for your administrative technology level reach 10. You'll have everything needed to form Commonwealth, pick the decision and it's formed. Later, if Denmark/Sweden didn't invade Livonian Order, try annexing the baltic states, as you'll end up getting missions on them.

Dos and don'ts

Dos:

  • Convert your provinces to your main religion, you'll have 25% bonus religious unity, but the heretic provinces are ruthenian and they aren't accepted both as cultures and heretics (until you finish the Polish Ideas).
  • Annex some Russian minors, if Muscovy forms Russia, you'll be in trouble later on.
  • Join forces against Ottomans and Denmark, they'll give you a headache later on too.
  • Aristocracy idea group and Quality idea group plus your Winged Hussars idea will grant you a total of -20% (and another -20% from traditions) cavalry cost and +43% cavalry combat ability. This is, however, a bad deal to your military tech, as it'll hinder you.
  • Consider joining the Holy Roman Empire. By allying + marrying + improve relations with Austria right away, you can get your relations up to the 194 required to join. The -10% tech cost while there are still 25 or more states is awesome, and then you're also free to attack HRE states (such as Bohemia, which is in your culture group) without worrying about Austria automatically protecting them. (In the recent version Poland starts of too big to join the HRE. You'd need to sell some provinces [preferably to your vassals], should you want to join the HRE.)

Dont's:

  • Don't convert the province cultures, after you form the Commonwealth, ruthenian culture will become an accepted culture, spending points on converting them early is a waste of monarch points.
  • If you join the HRE, don't try to become Emperor, even if the missions want you to, you'll spend a lot of time trying to make mostly German cultured nations to like you more than Austria, even if you get it, by the time you form Commonwealth, you'll see HRE going into religious war because of the Reformation.
  • Don't try fighting western tech nations earlier, most of your neighbors are in HRE so they advance in tech faster too, meaning they'll be militarily advanced towards you. Better be their friend.
  • Religious idea group, you'll have a +25% religious unity and +3 tolerance of heretics, unless you want the free CB on religious enemies, it's a waste of monarch points, as you don't need that many missionaries. May be picked later if you decide to expand on Muslim lands.