The Agreement of Łęgonice, which was signed on 31 July 1666 in the village of Łęgonice, ended the so-called Lubomirski Rokosz, a rebellion against Polish King Jan II Kazimierz Vasa, initiated by a

magnate The term magnate, from the late Latin ''magnas'', a great man, itself from Latin ''magnus'', "great", means a man from the higher nobility, a man who belongs to the high office-holders or a man in a high social position, by birth, wealth or ot ...

and

hetman ''Hetman'' is a political title from Central and Eastern Europe, historically assigned to military commanders (comparable to a field marshal or imperial marshal in the Holy Roman Empire). First used by the Czechs in Bohemia in the 15th century, ...

Jerzy Sebastian Lubomirski Prince Jerzy Sebastian Lubomirski (20 January 1616 – 31 December 1667) was a Polish noble (szlachcic), magnate, politician and military commander, and Prince of the Holy Roman Empire. He was the initiator of the Lubomirski Rebellion of 166 ...

. The

rokosz A rokosz () originally was a Meeting, gathering of all the Polish ''szlachta'' (nobility), not merely of deputies, for a ''sejm''. The term was introduced to the Polish language from Hungary, where analogous gatherings took place at a field calle ...

was started in defence of the so-called

Golden Liberty Golden Liberty (; , ), sometimes referred to as Golden Freedoms, Nobles' Democracy or Nobles' Commonwealth ( or ''Złota wolność szlachecka'') was a political system in the Kingdom of Poland (1385–1569), Kingdom of Poland and, after the Unio ...

, as Lubomirski feared royal plans for strengthening the position of the king and introduction of the so-called

vivente rege ''Vivente rege'' (Latin: "with the king (still) living")Ablatives of present participle '' vivens'' + ''rex'' is a form of monarchical election, where the monarch's successor, usually of the same dynasty, is elected before the death of the incumb ...

election. The

Battle of Mątwy A battle is an occurrence of combat in warfare between opposing military units of any number or size. A war usually consists of multiple battles. In general, a battle is a military engagement that is well defined in duration, area, and force c ...

, which was the last battle of the rebellion, took place on 13 July 1666. After this bloodbath, which ended in the defeat of royal forces, both sides signed the agreement, according to which Lubomirski was returned all his titles, and the king was forced to abandon his election plans and reforms of the state. Furthermore, royal amnesty for rebels was declared. The rebellion weakened the prestige of Jan Kazimierz and his bold plans. From then on, Polish-Lithuanian

nobility Nobility is a social class found in many societies that have an aristocracy. It is normally appointed by and ranked immediately below royalty. Nobility has often been an estate of the realm with many exclusive functions and characteristics. T ...

disrespected the king, which contributed to his decision to abandon the throne in 1668. Lubomirski, after apologizing to Jan Kazimierz, had to leave the

Polish–Lithuanian Commonwealth The Polish–Lithuanian Commonwealth, also referred to as Poland–Lithuania or the First Polish Republic (), was a federation, federative real union between the Crown of the Kingdom of Poland, Kingdom of Poland and the Grand Duchy of Lithuania ...

, settling in

Silesia Silesia (see names #Etymology, below) is a historical region of Central Europe that lies mostly within Poland, with small parts in the Czech Silesia, Czech Republic and Germany. Its area is approximately , and the population is estimated at 8, ...

, where he died.

See also