Events with tag - Principle Of Seniority

January 1, 1138

Testament of Bolesław III Wrymouth

Bolesław III Wrymouth's Testament of 1138 introduced the principle of seniority and divided the Polish state among the ruler's sons. This event initiated the period of feudal fragmentation in Poland, which lasted almost 200 years and ended with the coronation of Władysław the Elbow-high in 1320. This decision significantly influenced the fate of medieval Poland.

July 1, 1180

Assembly of Łęczyca

The Assembly of Łęczyca in 1180 was a landmark event in medieval Polish history. During the meeting, Duke Casimir the Just, along with nobles and church dignitaries, made crucial decisions that changed the legal and political system of the state, including the abolition of the principle of seniority and granting privileges to the Church.