April 2, 1000
Establishment of the Gniezno Metropolis
The Gniezno Metropolis was established on April 2, 1000 during the historic Congress of Gniezno, attended by Bolesław the Brave and Emperor Otto III. This event was of fundamental importance for church organization in Poland and strengthening the country's position in medieval Europe. Radzim Gaudentius, the half-brother of St. Adalbert, became the first archbishop.
