The Union of Lublin in 1569.
The Treaty of Versailles in 1919.
The Act of Union in 1707.
The Union of Krewo in 1385.
Through a federal union under a common parliament.
They were linked by a personal union under a common monarch.
By a military alliance against Russia.
Through a linguistic and cultural association.
A confederate state with a unique system of dual statehood.
A centralized autocratic monarchy.
A strict democracy based on universal suffrage.
A union governed by a council of nobility.
To expand into Scandinavian territories.
Defense against external threats, internal political stability, and economic benefits.
To establish a new European trade route.
For religious unification under Catholicism.
Absolute monarchy.
Federalism.
The elective monarchy and the parliamentary system called the Sejm.
Military dictatorship.
Henry of Valois, also known as Henry III of France.
Ferdinand II of Aragon.
Sigismund III Vasa.
Ladislaus IV Vasa.
Noble democracy which often led to political fragmentation and inefficiencies.
Excessive centralized power limiting local governance.
Lack of a standing army.
Over-reliance on maritime trade.
The nobility gained extensive privileges and political power.
The nobility lost significant landholdings.
The nobility was stripped of all titles.
The nobility was primarily tasked with military duties.
Entirely incorporated into the Kingdom of Poland.
Geographical expansion into Scandinavia.
Independence from Poland's influence.
Some Lithuanian territories were annexed to the Kingdom of Poland.
It was relatively tolerant and allowed multiple Christian denominations to coexist.
It enforced a single state religion with no tolerance.
It was predominantly secular with no religious influence.
Conversion to Orthodox Christianity was mandatory.
Until 1655, during the Deluge.
Until 1717, following the Silent Sejm.
Until 1795, when it was partitioned by Russia, Prussia, and Austria.
Until 1807, after the creation of the Duchy of Warsaw.
The Constitution of Lithuania.
The Union of Kėdainiai.
The Henrician Articles, establishing constitutional principles for governance.
The Concordat of Warsaw.
A practice allowing any member of the parliament to stop legislation by objecting, requiring unanimity.
A method of electing the monarch by lottery.
A system to expel foreign ambassadors from the Sejm.
A veto power held exclusively by the king.
The Battle of Vienna in 1683.
The Battle of Cecora against the Ottoman Empire in 1620.
The Battle of Mohács in 1526.
The Siege of Kazan in 1552.
Sweden, Norway, and Denmark.
Parts of Poland, Lithuania, Belarus, Ukraine, Latvia, Estonia, and Russia.
Hungary, Czech Republic, and Slovakia.
Germany, France, and Italy.