Union of Lublin

Name: Union of Lublin
Start: 1568
End: 1569

Type Event Region Poland-Lithuania Time 1568–1569

On 1 July 1569, the Kingdom of Poland and the Grand Duchy of Lithuania signed the Union of Lublin at Lublin, merging into the Polish–Lithuanian Commo…

Timeline

1568–1569Lublin · PolandAmid Moscow's annexation of parts of Lithuanian territory and noble demands for stronger central authority, Polish and Lithuanian delegates convened a joint parliament at Lublin, holding lengthy negotiations over the elective kingship, the parliament, and territorial affiliation.
1569Lublin · PolandThe union act was formally signed: Poland and Lithuania formed an indivisible federal republic with a common bicameral parliament and elective monarchy; the Ukrainian provinces were incorporated into the Kingdom of Poland, while Lithuania retained its grand-ducal system but shared supreme power.

Sources

Union of Lublin https://www.britannica.com/event/Union-of-Lublin
The Polish-Lithuanian Commonwealth: A Political History — Richard Butterwick (2021)