Civilization V Customisation Wiki
Commonwealth of Poland-Lithuania
Map by Janboruta
Map by Janboruta
Sigismund II Augustus
Start Bias
Avoid Jungle, Avoid Tundra
Government req. mod
req. mod

Traits req. mod
Diplomatic, Financial

Poland-Lithuania led by Sigismund II[1] is a custom civilization by JFD and Janboruta[2], with contributions from Sukritact, Danrell and Krzesimir Dębski.

This mod requires Brave New World. It does not remove Casimir's Poland, but significantly changes it.



The Polish–Lithuanian Commonwealth was a dualistic state of Poland and Lithuania ruled by a common monarch, who was both the king of Poland and the grand duke of Lithuania. It was one of the largest and one of the most populous countries of 16th- and 17th-century Europe, with some 390,000 square miles (1,000,000 km2) and a multi-ethnic population of 11 million at its peak in the early 17th century. It was established at the Union of Lublin in July 1569, but the actual personal union between the Crown of the Kingdom of Poland and the Grand Duchy of Lithuania had begun when Lithuania's Grand Duke Jogaila married Queen regnant Jadwiga of Poland and was crowned King Władysław II Jagiełło of Poland, in 1386. The Commonwealth was reduced in the First Partition of Poland in 1772 and disappeared as an independent state after the Third Partition of Poland in 1795.

Sigismund II[]

Sigismund II Augustus (pol.: Zygmunt II August) was the King of Poland and Grand Duke of Lithuania from 1548 to 1572. He was the last male member of the Jagiellonian dynasty, and is traditionally considered to be the last hereditary ruler of Poland. During his reign, Poland underwent a series of domestic reforms, witnessed a golden age of arts, philosophy and science and saw military and diplomatic successes. Sigismund's domains - Poland and Lithuania - were unified into a single state in the Union of Lublin in 1569, which from then on was known as the Commonwealth (pol.: Rzeczpospolita). In his times, Poland vassalized Courland and Livonia. His heirless death resulted in the Commonwealth adopting a unique system of elective monarchy.

In this mod, Sigismund II leads a diplomatic and happiness-oriented version of Poland-Lithuania, with a hint of warfare. He is highly diplomatic and friendly towards city-states.

Dawn of Man[]

All hail Sigismund II, by the grace of God the King of Poland and Grand Duke of Lithuania! You ascended to the throne in 1548 AD, after nearly two decades of sharing rule with your ageing father. Desiring to continue the work of you predecessor, you sought to secure a proper place for Poland and Lithuania within Europe. Your wise and ample patronage brought about a golden age of arts and sciences, while your internal policies and religious tolerance ushered in a period of stability not witnessed before. Truly has Poland become a beacon of the Renaissance! In 1569 AD, in the wake of Russian westward expansion, you oversaw the unification of your two dominions into a single political entity, which became known as the Polish-Lithuanian Commonwealth. A union that would endure invasions, civil wars and uprisings for more than two hundred years, before finally succumbing to its three unsatiable neighbours and their superior armies.

Diplo sigismund ii

Leaderscene by Janboruta

Oh illustrious King, the people of both Poland and Lithuania look back to their common past. Will you answer their sentiments and bring the Commonwealth back to its former splendour? Will you lead it through adversity and opposition, both foreign and internal? Can you build a civilization that will stand the test of time?

Introduction: "Hail traveler, I am Sigismund II, King of Poland and Grand Duke of Lithuania. If you come bearing the fruits of good tidings, then I shall but humbly accept them."

Defeat: "For that my empire was founded upon the principles of liberty and nobility, this is but the defeat of one prince amongst many. My people shall avenge this loss, and you shall suffer all the more for it."



Poland-Lithuania led by Sigismund II is a diplomatic civilization, oriented towards City-State interaction and Golden Ages. Its unique ability speeds up progress towards the next Golden Age, during which influence rewards in City-States are doubled. The Estate, a unique Bank replacement, provides extra Local Happiness for working Cattle, Sheep and Horses resources (+1 for each type), on top of extra Gold on each source of those resources; both of the effects work towards getting the most out of the unique ability: extra Happiness will help enter more Golden Ages, and extra Gold can be spent to receive even more City-State influence. The unique unit - the Winged Hussar - remains unchanged from its vanilla incarnation. Use it to facilitate conquests of cities with unique Luxury Resources, to further increase available Happiness.

Recommended policy trees for Poland-Lithuania are: Tradition, Patronage, Commerce, Aesthetics; However, Liberty is also a viable option (free Golden Age and less Unhappiness in cities connected to the capital).

Unique Attributes[]

Poland-Lithuania (Sigismund II)
Poland (Casimir III)

Art by Janboruta

Noble Republic

Happy Happiness contributes 33% more toward Goldenage Golden Age progress. During Goldenage Golden Ages, City-State Influence Influence gained from gifting Gold Gold or from completing quests are doubled.


Art by Firaxis

From Wood to Brick

After adopting a new Social Policy, you may choose to hurry Production Production in a city of your choice. Receive a free Voivode at Chivalry.


Art by Firaxis

Winged Hussar (Lancer)

This unit is faster and more powerful than the Lancer, which it replaces. Forces defenders to retreat when it inflicts more damage than it receives.


Art by Janboruta

Voivode (Great General)

When stationed in an occupied city, it increase the amount of Food Food carried over in that city when a new Citizen is born. Grants a boost of CultureIcon Culture when born and may repair pillaged tiles.


Art by Janboruta

Estate (Bank)

Each source of Horses Horses, Sheep and Cattle worked by this City produce +1 Gold Gold. +1 Happy Local Happiness for each different type of these resources improved and worked by the city.


Art by Firaxis

Ducal Stable (Stable)

+15% Production Production for Mounted Units (+30% if at war). Newly trained Mounted Units increase the rate at which Greatperson Great Generals are generated by 50%.


Peace Theme War Theme

Poland-Lithunia Commonwealth - Sigismund II Peace


Poland-Lithunia Commonwealth - Sigismund II War

"Pan Longinus" by Krzesimir Dêbski. "Husaria ginie" by Krzesimir Dêbski.

Mod Support[]

Mod Support
Community Balance Patch
Ethnic Units
Map Labels
Unique Cultural Influence
Wish for the World

Events & Decisions[]

Hold the Great Sejm[]

In this age of reason, the policies of our country are being rendered backwards and obsolete. We must hold a Great Sejm, to address the defects of our realm, thoroughly reform it, and thus rejuvenate it, so that Poland will be in the vanguard of enlightenment and liberty once again.


  • Player must be Poland-Lithuania
  • May only be enacted in Renaissance or Industrial Era
  • May not be enacted during a Goldenage Golden Age
  • May only be enacted once per game


  • 450 CultureIcon Culture
  • 2 Magistrates Magistrates


  • +1 Happy Happiness for every 2 CultureIcon Social Policies
  • Receive Gold Gold each time a CultureIcon Social Policy is adopted

Pass the Nihil Novi Act[]

Nihil novi nisi commune consensu - nothing new without the common consent. Such an act shall epitomise the liberty for which our commonwealth stands and so such an act must be promulgated and institutionalised.


  • Player must be Poland-Lithuania
  • Must have built at least four Estates
  • May only be enacted from the beginning of the Renaissance Era
  • May only be enacted once per game


  • (#Estates x100) Gold Gold
  • 1 Magistrates Magistrates


  • The Capital Capital begins celebrating 'We Love the King Day' for 20 turns
  • +2 CultureIcon Culture on Estates

Famous Alchemist[]

A gentleman calling himself John Dee has recently arrived in our capital. He claims that he has a connection to the supernatural world and offers “spiritual conferences” for our ears and eyes only. Those “conferences” are supposed to bring us divine revelations and other perks of communing with the ghostly folk. What should we do with this unexpected guest?

Option 1: Turn him away. We need not his kind here.

  • Gain 20 CultureIcon Culture

Option 2: One test... shouldn't hurt...

  • Lose 200 Gold Gold
  • Gain 175 FaithIcon Faith or 140 Science Science.

Option 3: Let us hire him permanently to our court.

  • Lose 160 Gold Gold
  • Gain 255 Goldenage Golden Age points

Thursday Dinners[]

The cultural elite of Warsaw is bustling with intellectual and creative activity. Perhaps by arranging a meeting for a select few would further hone their skills and wits, and bring us much entertainment in return.

Option 1: Invite the artists.

  • Lose 100 Gold Gold
  • Gain 150 CultureIcon Culture

Option 2: Invite the scientists and philosophers.

  • Lose 200 Gold Gold
  • Gain 60 Science Science

Option 3: They're not worth a dime.

  • Nothing.

Exploration Continued Expanded[]

New Courland
St. Andrews
St. Mary
St. Anthony
Morska Wola

Unique Cultural Influence[]

"Our people are now eating your pierogi and dancing the Mazurka. I worry the rest of the world will also succumb to the influence of your culture."

Notes and References[]

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