Union of Brest
Organizations
in wich Poland participates or participated

Union of Brest

The Union of Brest was the 1595-96 decision of the Ruthenian Orthodox Church eparchies (dioceses) in the Polish–Lithuanian Commonwealth to break relations with the Eastern Orthodox Church and to be united with, and place itself under the authority of the Pope of Rome.
The union established the Ruthenian Uniate Church, which currently exists as the Ukrainian Greek Catholic Church, and the Belarusian Greek Catholic Church. The Union of Brest was perceived as part of Catholisation and Polonization processes contributed to the Khmelnytsky Uprising in Ukraine.
More information

Religious situation in the First Polish Republic in 1573. Areas dominated by Orthodox Christians are marked in green.

Polonica stamp:

Vatican City 1996, 15 III