Archdiocese of Gniezno

Erected in 999 by Pope Silvester II as the first Polish Metropolitan Archdiocese of the Church. As of 1417, the seat of the Primate of Poland. Bound with the Archdiocese of Poznań from 1821 to 1946, and then by a personal union with the Archdiocese of Warsaw until 1992. Pope John Paul II introduced territorial changes on 25 March 1992 and 24 February 2004.