Knowra Union of Lublin Union of Lublin The 1569 agreement joined the Kingdom of Poland and the Grand Duchy of Lithuania in the Polish–Lithuanian Commonwealth, a federal state with a shared monarch and parliament.
Polish–Lithuanian Commonwealth : A federal state formed in 1569 by the union of the Kingdom of Poland and the Grand Duchy of Lithuania. The Union established this state and defined its shared monarch, parliament, and foreign policy.
Union of Krewo : The 1385 dynastic agreement linking Lithuania’s Grand Duke Jogaila with Poland through his baptism, marriage, and accession as king. It began the long Polish–Lithuanian political relationship that the 1569 agreement reshaped.
Ruthenian lands : Eastern European territories historically inhabited by East Slavic peoples and associated with the medieval Rus’ tradition. The Union transferred several of these lands from Lithuania to the Polish Crown.
Personal union : An arrangement in which separate states share a monarch while retaining distinct governments and institutions. Earlier Polish–Lithuanian ties often resembled this looser arrangement rather than the 1569 union.
Sejm of the Polish–Lithuanian Commonwealth : The Commonwealth’s central legislature, composed of the king, Senate, and chamber of deputies. The agreement created a common parliament in which representatives of both realms met.
Jagiellonian dynasty : A royal dynasty that ruled Poland and several Central and Eastern European kingdoms from the fourteenth to the sixteenth century. Its shared rule over Poland and Lithuania had long connected the two realms.
Polonization : The adoption or imposition of Polish language, culture, or political practices by non-Polish communities. The transfer of eastern territories accelerated Polish cultural and political influence there.
Real union : A union of states that share enduring political institutions while retaining some separate structures. The agreement went beyond shared monarchy by establishing common central institutions.
Golden Liberty : The political rights and privileges of the Commonwealth’s nobility, including participation in elections and legislative government. The Union extended the shared political order in which the nobility exercised substantial influence.
Sigismund II Augustus : The last Jagiellonian king of Poland and grand duke of Lithuania, who reigned from 1548 to 1572. He pressed for union as his childless reign raised the prospect of separate successions.
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